


                                                         South Texas BBS I
  Listing as of 03/01/90                                Hard Drive Listing
                                                           713-894-5636


 Well here is the listing we all have been waiting for.   I now have over 900 drives listed and am waiting for more.
 I am working on a full tech program to help setting up new machines by reading the ROM and allowing the user to do
 the setup to the proper drive configuration.

 I was asked (told) to put this message in first instead of last so here goes...
 This list has been compiled over a period of several years of experience, from several lists that are available
 from different drive manufacturers, and from a couple of lists that have been passed along from BBS to BBS. I have
 spent may hours of work and I am giving this list free for all to use as a look up table. You may pass this list to
 whomever you want, all I ask is that my BBS system & number not be removed so that the next person down the line can
 know where to get upgrades.
 I am including a program to view, change, or add drives and AT ROM BIOS drive types. This program is copyrighted by
 me and is going to be issued as shareware. You may pass the associated program and databases along to anyone as long
 as the databases have not been modified or at least until the new listings have been passed on to me to include in
 the new issues. I will be offering an update module to add more drives to everyone who registers the program, this
 will add the new drives without changing the complete list. Also for registered users I will mail a disk to them for
 all new upgrades of both the program and associated databases. I am asking for $15 to register the program and $1 for
 shipping on new upgrades, for $20 you will get the registration, plus the upgrades for a year free (sorta free anyway).

  Usefull Info....

 Drive size can be calculated by using the following formula... (((<heads>*<cylinders>)*512)*<sectors>) = size in bytes
  Example.. Let's take a Seagate ST-225 hard drive and figure how big it really is...
            The ST-225 has 4 heads and 615 cylinders so if we connect it to a standard MFM controller,then we figure...

                         (((4*615)*512)*17) = 21,411,840 or 21.4 meg


            But what if we want to put a new Perstor controller in to increase the drive size, amd display megs not bytes.

                             ((((4*615)*512)*31)/1000 = 39 meg

 Sector list
  MFM  = 17              This a list of sectors per track available using the different controllers but there are
  RLL  = 26              exceptions, such as the Konan controllers offer the user 18 sectors per track giving approx.
  ARLL = 31              500k more disk space per 10 meg of hard drive space. I have noticed that both EDSI & SCSI
  EDSI = 17 to 72        drives & controllers vary from 17 to over 51 sectors per track depending on the drive and
  SCSI = 17 to 72        who makes it.  It appears to me that the better the drive the more sectors you can get on it.

  03/01/90   Update information...

    A little late but getting better. Seems I need to spend more time on keeping the list current but haven't. Well
    here is the latest listing, it is still missing several drives but I have added another field called platters,
    this field displays how many actual platters the drive contains.  I do have a listing of hard drive controller
    cards with switch settings and will have that list along with a few more drives in the list around 04/01/90.


     Thanks,

     Ray Martin, sysop
     South Texas BBS I                 156 meg online using the Perstor controller & 2 Seagate ST-252-1 drives.
     713-894-5636  24hrs               RBBS 17.2a with dBASE/Clipper/FoxBASE, Clipper, Amiga, Atari, Games, and
     300/1200/2400 8,N,1               Programming conferences. 2000+ files online.
                                                         South Texas BBS I
                                                            HD Listing
                                                           713-894-5636




                                                         South Texas BBS I
                                                            HD Listing
                                                           713-894-5636

                                       **          Write    Reduce  Step  Access  Recom'd          Controller
 Manufacturer     Model           Hds  Pl Cylndrs  PreComp  Write   Rate  Time    Sec/trk  Dimsn   Type*/Comment
 ===============  =============== ==== == =======  =======  ======  ====  ======  =======  ======  ================================
 ALPS ELECTRIC    DRND-10A          2   1    615      616     616           60.0     17     3.5    M /
 ALPS ELECTRIC    DRND-20A          4   2    615      616     616           60.0     17     3.5    M /
                  DRPO-20D          2   1    615      616     616           60.0     26     3.5    R /
                  RPO-20A           2   1    615      616     616           60.0     26     3.5    R /
 AMPEX            PYXIS-13          4   2    320      132     132           90.0     17     5.25   M /
                  PYXIS-20          6   3    320      132     132           90.0     17     5.25   M /
                  PYXIS-27          8   4    320      132     132           90.0     17     5.25   M /
                  PYXIS-7           2   1    320      132     132           90.0     17     5.25   M /
 AREAL            BP100             2   1   1720                            29.0     60     2.5    ? / New Glass media
                  BP200             2   1   3400                            29.0     60     2.5    ? / New Glass media
                  MD2050            2   1    819                            29.0     60     2.5    ? / New Glass media
                  MD2100            2   1   1638                            29.0     60     2.5    ? / New Glass media
 ATASI            3020              3   2    645      320    none     7      0.0     17     5.25   M /
                  3033              5   3    645      320    none     7      0.0     17     5.25   M /
                  3046              7   4    645      320    none     7      0.0     17     5.25   M /
                  3051              7   4    704      350    none     7      0.0     17     5.25   M /
                  3051+             7   4    733      368                    0.0     17     5.25   M /
                  3053              7   4    733      365    none     7      0.0     17     5.25   M /
                  3058              8   4   1024     none    none     7      0.0     17     5.25   M /
                  3075              8   4   1024     1024    none     7      0.0     17     5.25   M /
                  3085              8   4   1024      512    none     7      0.0     17     5.25   M /
 BASF             6185              6   3    440      220     220            0.0     17     5.25   M /
                  6186              4   2    440      220     220            0.0     17     5.25   M /
                  6187              2   1    440      220     220            0.0     17     5.25   M /
                  6188-R1           2   1    612                             0.0     17     5.25   M /
                  6188-R3           4   2    612                             0.0     17     5.25   M /
 BRAND TECH       BT8085            8   4   1024                             0.0                   ? /
                  BT8128            8   4   1024                             0.0                   ? /
                  BT8170            8   4   1024                             0.0                   ? /
                  BT9124E           5   3   1166                            16.5     36     3.5    E / ESDI
                  BT9170E           7   4   1072                            16.5     36     3.5    E /
                  BT9220E           9   5   1208                            16.5     36     3.5    E /
 BULL             D 530             3   2    987     none    none            0.0     17     5.25   M /
                  D 550             5   3    987     none    none            0.0     17     5.25   M /
                  D 570             7   4    987     none    none            0.0     17     5.25   M /
                  D 585             7   4   1166     none                    0.0     17     5.25   M /
 C. ITOH          YD-3530           5   3    731      732                    0.0     17     5.25   M /
                  YD-3540           7   4    731      732                   26.0     17     5.25   M /
                  YD-3042           4   2    788      789                   26.0            5.25   S / SCSI
                  YD-3082           8   4    788      789                   26.0            5.25   S / SCSI
 CARDIFF          F-3053            5   3   1024     none    none           20.0     17     3.5    M /
                  F-3080            5   3   1024     none    none           20.0     26     3.5    S / SCSI/ECSI
                  F-3127            5   3   1024     none    none           20.0     35     3.5    S / SCSI/ECSI
 CDC *            94156-48          5   3    925     none    none     7     28.0            5.25   E / ESDI
                  94156-67          6   3    925     none    none     7     28.0            5.25   E / ESDI
                  94156-86          9   5    925     none    none     7     28.0            5.25   E / ESDI
                  94166-101         5   3    969     none    none     7     16.5            5.25   E / ESDI
                  94166-141         7   4    969     none    none     7     16.5            5.25   E / ESDI
                  94166-182         9   5    969     none    none     7     16.5            5.25   E / ESDI
                  94186-383        13   7   1412     none    none     7     19.5            5.25   E / ESDI
                  94186-383-H      15   8   1224     none    none     7     14.5            5.25   E / ESDI
                  94186-442        15   8   1412     none    none     7     16.0            5.25   E / ESDI
 ** Number of Platters                                * Controller Type - M = MFM  R = RLL  E = EDSI  S = SCSI  O = Other  ? = N/A






                                                         South Texas BBS I
                                                            HD Listing
                                                           713-894-5636

                                       **          Write    Reduce  Step  Access  Recom'd          Controller
 Manufacturer     Model           Hds  Pl Cylndrs  PreComp  Write   Rate  Time    Sec/trk  Dimsn   Type*/Comment
 ===============  =============== ==== == =======  =======  ======  ====  ======  =======  ======  ================================
 CDC *            94216-106         5   3   1024     none    none     7     16.5            5.25   E / ESDI
                  94354-126         7   4   1072     none    none            0.0     29            E / ESDI
                  94354-160         9   5   1072     none    none            0.0     29            E / ESDI
                  94354-200         9   5   5072     none    none            0.0     36            E / ESDI
                  94354-230         9   5   1272     none    none            0.0     36            E / ESDI
                  94356-111         5   3   1072     none    none                    34     3.5    E / ESDI
                  94356-155         7   4   1072     none    none           15.0     34     3.5    E / ESDI
                  94356-200         9   5   1272     none    none     7     18.0     34     3.5    E / ESDI
                  WREN III          5   3    969                            18.0            5.25   E / ESDI
                  94155-120         8   4    960        0    none     7     28.0     17     5.25   M / FH
                  94155-120P        8   4    960        0    none     7     28.0     17     5.25   M / FH
                  94155-135P        9   5    960        0    none     7     28.0     17     5.25   M / FH
                  94155-19          3   2    697      128    none     7      0.0                   M /
                  94155-21          3   2    697      128    none     7     28.0     17     5.25   M / FH
                  94155-25          4   2    615      128                    0.0     17            M /
                  94155-25AT        4   2    697      128    none     7      0.0                   M /
                  94155-28          4   2    697      128    none     7      0.0     17            M /
                  94155-36          5   3    697      128    none     7     28.0     17     5.25   M / FH
                  94155-38          5   3    733      128    none     7      0.0     17            M /
                  94155-48          5   3    925      128    none     7     28.0     17     5.25   M / FH
                  94155-57          6   3    925      128    none     7     28.0     17     5.25   M / FH
                  94155-67          7   4    925      128    none     7     28.0     17     5.25   M / FH
                  94155-77          8   4    925      128    none     7      0.0     17            M /
                  94155-85          8   4   1024        0    none     7     28.0     17     5.25   M / FH
                  94155-85P         8   4   1024        0    none     7     28.0     17     5.25   M / FH
                  94155-86          9   5    925      128    none     7     28.0     17     5.25   M / FH
                  94155-96          9   5   1024        0    none     7     28.0     17     5.25   M / FH
                  94155-96P         9   5   1024        0    none     7     28.0     17     5.25   M / FH
                  94156-72          9   5    925      128                    0.0                   M /
                  94204-65          8   4    941        0    none     7     28.0     17     5.25   M / FH
                  94204-71          8   4   1024        0    none     7     28.0     17     5.25   M / FH
                  94205-30          3   2    989      128                    0.0                   M /
                  94205-51          5   3    989      128    none     7     32.0     17     5.25   M / HH
                  94295-51          5   3    989      990    none     7     28.0     17            M /
                  94335-100         9   5   1072     none    none     7     25.0     17     3.5    M /
                  94335-55          5   3   1072     none    none     7     25.0     17     3.5    M /
                  94355-100         9   5   1072     none    none     7     16.5     17     3.5    M /
                  94355-55          5   3   1072     none    none     7     16.5     17     3.5    M /
                  BJ7D5A            5   3    671              128            0.0     17     5.25   M / FH  77731608 5.25
                  BJ7D5A            4   2    671              128            0.0     17     5.25   M / FH  77731614 5.25
                  BJ7D5A            5   3    734              128                    17            M /     77731613
                  9720-1230        15   8   1635                            16.0                   O / 8" Drive 1056 meg  SABRE
                  9720-368         10   6   1217                            18.0                   O / 8" Drive 316 meg   SABRE
                  9720-500         10   6   1217                            18.0                   O / 8" Drive 427 meg   SABRE
                  9720-736         15   8   1635                            16.0                   O / 8" Drive 637 meg   SABRE
                  9720-850         15   8   1381                            16.0                   O / 8" Drive 727 meg   SABRE
                  SABRE 1230       15   8   1635                            16.0                   O / 8" Drive 1236 meg
                  SABRE 368        10   6   1217                            18.0                   O / 8" Drive 368 meg
                  SABRE 500        10   6   1217                            18.0                   O / 8" Drive 500 meg
                  SABRE 736        15   8   1635                            16.0                   O / 8" Drive 741 meg
                  SABRE 850        15   8   1381                            16.0                   O / 8" Drive 851 meg
                  94155-135         9   5    960     none    none     7     28.0     26     5.25   R / RLL HH
 ** Number of Platters                                * Controller Type - M = MFM  R = RLL  E = EDSI  S = SCSI  O = Other  ? = N/A






                                                         South Texas BBS I
                                                            HD Listing
                                                           713-894-5636

                                       **          Write    Reduce  Step  Access  Recom'd          Controller
 Manufacturer     Model           Hds  Pl Cylndrs  PreComp  Write   Rate  Time    Sec/trk  Dimsn   Type*/Comment
 ===============  =============== ==== == =======  =======  ======  ====  ======  =======  ======  ================================
 CDC *            94205-77          5   3    989     none    none     7     28.0     26     5.25   R / RLL HH
                  94335-150         9   5   1072     none    none     7     25.0     26     3.5    R / RLL
                  94335-150         9   5   1072     none    none     7     15.0     28     3.5    R / RLL
                  94161-121         0        969     none    none     7     16.5            5.25   S / SCSI
                  94161-86          0        969     none    none     7     16.5            5.25   S / SCSI
                  94171-300         9   5   1365     none    none     7     16.5            5.25   S / SCSI
                  94171-344         9   5   1549     none    none     7     17.5            5.25   S / SCSI
                  94181-385H       15   8                                   10.7            5.25   S / SCSI RUNNER  FH
                  94181-574        15   8   1549     none    none     7     16.0            5.25   S / SCSIFH
                  94211-106         5   3   1024                            18.0            5.25   S / SCSI WREN-3  HH
                  94211-209         5   3   1547                            18.0            5.25   S / SCSI WREN V  HH
                  94211-91          5   3    969     none    none     7     16.5     36     5.25   S / SCSIFH
                  94221-190         5   3   1547     none    none     7      8.3     36     5.25   S / SCSIHH
                  94351-128         7   4   1068                                     36     3.5    S / SCSI SWIFT ASYNC
                  94351-134         7   4                                   15.0            3.5    S / SCSI SWIFT
                  94351-160         9   5   1068                                     36     3.5    S / SCSI SWIFT ASYNC
                  94351-172         9   5      0     none    none     7     16.5            3.5    S / SCSI
                  94351-200         9   5   1068                                     36     3.5    S / SCSI SWIFT ASYNC
                  94351-200S        9   5   1068                                     36     3.5    S / SCSI SWIFT SYNC
                  94351-230S        9   5   1272                                     36     3.5    S / SCSI SWIFT SYNC
 CENTURY DATA     CAST-10203E       3   2   1050     1051                   28.0     35     5.25   E /  FH    55
                  CAST-10304        4   2   1050     1051                   28.0     35     5.25   E /  FH    75
                  CAST-10305        5   3   1050     1051                   28.0     35     5.25   E /  FH    94
                  CAST-14404        4   2   1590     1591                   25.0     35     5.25   E /  HH    114
                  CAST-14405        5   3   1590     1591                   25.0     35     5.25   E /  HH    140
                  CAST-14406        6   3   1590     1591                   25.0     35     5.25   E /  HH    170
                  CAST-24509        9   5   1599     1600                   18.0     35     5.25   E /  FH    258
                  CAST-24611       11   6   1599     1600                   18.0     35     5.25   E /  FH    315
                  CAST-24713       13   7   1599     1600                   18.0     35     5.25   E /  FH    372
                  CAST-10203S       3   2   1050     1051                   28.0     35     5.25   S /  FH    55
                  CAST-10304S       4   2   1050     1051                   28.0     35     5.25   S /  FH    75
                  CAST-10305S       5   3   1050     1051                   28.0     35     5.25   S /  FH    94
                  CAST-14404S       4   2   1590     1591                   25.0     35     5.25   S /  HH    114
                  CAST-14405S       5   3   1590     1591                   25.0     35     5.25   S /  HH    140
                  CAST-14406S       6   3   1590     1591                   25.0     35     5.25   S /  HH    170
                  CAST-24509S       9   5   1599     1600                   18.0     35     5.25   S /  FH    258
                  CAST-24611S      11   6   1599     1600                   18.0     35     5.25   S /  FH    315
                  CAST-24713S      13   7   1599     1600                   18.0     35     5.25   S /  FH    372
 CMI              CM 3206           4   2    306                             0.0                   M /
                  CM 3426           4   2    612      256    none            0.0     17            M /
                  CM 5205           2   1    256      128     128     7      0.0     17            M /
                  CM 5206           2   1    306      128    none     7      0.0     17            M /
                  CM 5410           4   2    256      128     128     7      0.0     17            M /
                  CM 5412           4   2    306      128    none     7      0.0     17            M /
                  CM 5616           6   3    256      128     128     7      0.0     17            M /
                  CM 5619           6   3    306      128    none     7      0.0     17            M /
                  CM 5826           8   4    306                             0.0                   M /
                  CM 6213           2   1    640      256    none     7      0.0     17            M /
                  CM 6426           4   2    615      256    none     7      0.0     17            M /
                  CM 6426S          4   2    640      300                    0.0                   M /
                  CM 6626           4   2    640      256    none     7      0.0     17            M /
                  CM 6640           6   3    640      256    none     7      0.0     17            M /
 ** Number of Platters                                * Controller Type - M = MFM  R = RLL  E = EDSI  S = SCSI  O = Other  ? = N/A






                                                         South Texas BBS I
                                                            HD Listing
                                                           713-894-5636

                                       **          Write    Reduce  Step  Access  Recom'd          Controller
 Manufacturer     Model           Hds  Pl Cylndrs  PreComp  Write   Rate  Time    Sec/trk  Dimsn   Type*/Comment
 ===============  =============== ==== == =======  =======  ======  ====  ======  =======  ======  ================================
 CMI              CM 7660           6   3    960      512    none     7      0.0     17            M /
                  CM 7880           8   4    960      512    none     7      0.0     17            M /
 COGITO           CG 906            2   1    306      128     128            0.0                   M /
                  CG 912            4   2    306      128     128            0.0                   M /
                  CG 925            4   2    612      128     128            0.0                   M /
                  PT 912            2   1    612      307     307            0.0                   M /
                  PT 925            4   2    612      307     307            0.0                   M /
 CONNER PERIPHER  CP-3022           2   1    636                            26.0     27     3.5    R / AT-BUS 16-BIT
                  CP-3102A          8   4    776                            26.0     25     3.5    R / AT-BUS 16-BIT
                  CP-3102B          8   4    772                            26.0     25     3.5    R / AT-BUS 16-BIT
                  CP-342            4   2    805                            26.0     29     3.5    R / AT-BUS 16-BIT
                  CP-3100           8   4    776                            29.0     29     3.5    S / SCSI
                  CP-340            4   2    788                            29.0     29     3.5    S / SCSI
 CORE INTNL       HC 150            9   5    968                            16.0     35     5.25   E /  FH
                  HC 260           12   6   1212                            25.0     35     5.25   E /  FH
                  HC 310           15   8   1582                            16.0     35     5.25   E /  FH
                  HC 40             4   2    564                            10.0     35     5.25   E /  HH
                  HC 90             5   3    969                            16.0     35     5.25   E /  HH
                  AT 30             5   3    733                            21.0     17     5.25   M /  FH
                  AT 32             5   3    733                            21.0     17     5.25   M /  HH
                  AT 40             5   3    924                            26.0     17     5.25   M /  FH
                  AT 63             5   3    988                            26.0     26     5.25   M /  FH
                  AT 72             9   5    924                            26.0     17     5.25   M /  FH
                  OPTIMA 30         5   3    733                            21.0     17     5.25   M /  HH
                  OPTIMA 40         5   3    963                            26.0     17     5.25   M /  HH
                  OPTIMA 70         9   5    918                            26.0     17     5.25   M /  FH
                  AT 30             5   3    733                            21.0     26     5.25   R /  FH
                  AT 32             5   3    733                            21.0     26     5.25   R /  HH
                  AT 40             5   3    924                            26.0     26     5.25   R /  FH
                  AT 63             5   3    988                            26.0     26     5.25   R /  FH
                  AT 72             9   5    924                            26.0     26     5.25   R /  FH
                  OPTIMA 30         5   3    733                            21.0     26     5.25   R /  HH
                  OPTIMA 40         5   3    963                            26.0     26     5.25   R /  HH
                  OPTIMA 70         9   5    918                            26.0     26     5.25   R /  FH
 CYNTHIA          D520              4   2    640     none    none     0      0.0                   M /
 DISCTRON         D-503             2   1    153        -                            17            M /
                  D-504             2   1    215        -                            17            M /
                  D-506             4   2    153        -                            17            M /
                  D-507             2   1    306      128                            17            M /
                  D-509             4   2    215      128                            17            M /
                  D-512             8   4    153        -                            17            M /
                  D-513             6   3    215      128                            17            M /
                  D-514             4   2    306      128                            17            M /
                  D-518             8   4    215      128                            17            M /
                  D-519             6   3    306      128                            17            M /
                  D-526             8   4    306      128     128     0              17            M /
 DMA              360/306           2   1    612      400    none     7      0.0     17            M /  REMOVABLE
 DTM              853               8   4    640                             0.0                   M /
                  885               5   3   1024                             0.0                   M /
                  885               8   4   1024                             0.0                   M /
 ELCOH            DISCACHE10        4   2    320                                     17            M /
                  DISCACHE20        8   4    320                                     17            M /
 ** Number of Platters                                * Controller Type - M = MFM  R = RLL  E = EDSI  S = SCSI  O = Other  ? = N/A






                                                         South Texas BBS I
                                                            HD Listing
                                                           713-894-5636

                                       **          Write    Reduce  Step  Access  Recom'd          Controller
 Manufacturer     Model           Hds  Pl Cylndrs  PreComp  Write   Rate  Time    Sec/trk  Dimsn   Type*/Comment
 ===============  =============== ==== == =======  =======  ======  ====  ======  =======  ======  ================================
 EPSON            HD 850            4   2    306                             0.0     17            M /
                  HD 860            4   2    612                             0.0     17            M /
 FUJI             FK301             4   2    306      128     307                    17            M /
                  FK302-13          2   1    612      307     613                    17            M /
                  FK302-26          4   2    612      307     613                    17            M /
                  FK302-39          6   3    612      307     613                    17            M /
                  FK303-52          8   4    615      616       -           50.0     17     3.5    M /
                  FK305-26          4   2    615      616       -           80.0     17     3.5    M /
                  FK305-39          6   3    615      616       -           80.0     17     3.5    M /
                  FK309-26          4   2    615      616       -           80.0     17     3.5    M /
                  FK305-39R         4   2    615                            50.0     26     3.5    R /    32
                  FK305-58R         6   3    615                            50.0     26     3.5    R /    49
                  FK309-39R         4   2    615                             0.0     26            R /    32
                  FK308S-39R        4   2    615                            50.0            3.5    S /    32
                  FK308S-58R        6   3    615                            50.0            3.5    S /    45
                  FK309S-50R        4   2    615                            50.0            3.5    S /    41
 FUJITSU          M 2227D           0          0                             0.0                   ? /
                  2244E             5   3    823                            25.0     35     5.25   E /  FH
                  2245E             7   4    823                            25.0     35     5.25   E /  FH
                  M 2246E          10   6    823                            25.0     35     5.25   E / ESDI
                  M 2247E           7   4   1243                            25.0     35     5.25   E / ESDI
                  M 2248E          11   6   1243                            25.0     35     5.25   E / ESDI
                  M 2249           15   8   1243                            18.0     35     5.25   E /  ESDI or SCSI
                  M 2249E          15   8   1243                            25.0     35     5.25   E / ESDI
                  2230 AS           2   1    320                                     17            M /
                  2233 AS           4   2    320                                     17            M /
                  2234 AS           6   3    320                                     17            M /
                  2235 AS           8   4    320                                     17            M /
                  2241 AS           4   2    754                                     17            M /
                  M 2226D2          6   3    615                            35.0     17     3.5    M /
                  M 2227D2          8   4    615                            35.0     17     3.5    M /
                  M 2230AS          2   1    306                             0.0     17            M /
                  M 2230AT          2   1    306                                     17            M /
                  M 2231            2   1    306                             0.0                   M /
                  M 2233AS          4   2    306                             0.0                   M /
                  M 2233AT          4   2    306                                     17            M /
                  M 2234AS          6   3    306                             0.0                   M /
                  M 2235AS          8   4    306                             0.0                   M /
                  M 2241AS          3   2    754      375                    0.0                   M /
                  M 2242AS          7   4    754      375                    0.0                   M /
                  M 2242AS2         7   4    754                            30.0     17     5.25   M /
                  M 2243AS         11   6    754      375                    0.0                   M /
                  M 2243AS2        11   6    754                            30.0     17     5.25   M /
                  M 2243T           7   4   1186                            25.0     17     5.25   M /
                  M 2225D           4   2    615                            35.0     26     3.5    R /
                  M 2225DR          4   2    615                            35.0     26     3.5    R /
                  M 2226DR          6   3    615                            35.0     26     3.5    R /
                  M 2227DR          8   4    615                            35.0     26     3.5    R /
                  M 2243R           7   4   1186                            25.0     26     5.25   R /
                  2244SA            5   3    823                            25.0     35            S /
                  M 2245SA          7   4    823                            25.0     35            S /
                  M 2246SA         10   6    823                            25.0     35     5.25   S /
 ** Number of Platters                                * Controller Type - M = MFM  R = RLL  E = EDSI  S = SCSI  O = Other  ? = N/A






                                                         South Texas BBS I
                                                            HD Listing
                                                           713-894-5636

                                       **          Write    Reduce  Step  Access  Recom'd          Controller
 Manufacturer     Model           Hds  Pl Cylndrs  PreComp  Write   Rate  Time    Sec/trk  Dimsn   Type*/Comment
 ===============  =============== ==== == =======  =======  ======  ====  ======  =======  ======  ================================
 FUJITSU          M 2344KS         27        624                            16.0                   S /
 HITACHI          DK512-12          7   4    823                            23.0            5.25   E /  FH
                  DK512-17         10   5    823                            23.0            5.25   E /  FH
                  DK512-8           5   3    823                            23.0            5.25   E /  FH
                  DK514-38         14   8    903                            16.0     51     5.25   E /  FH
                  DK522-10          6   3    823                            25.0     36     5.25   E /  HH
                  DK 301-1          4   2    306                            85.0     17     3.5    M /
                  DK 301-2          6   3    306                            85.0     17     3.5    M /
                  DK 511-3          5   3    699      300                   30.0     17     5.25   M / FH
                  DK 511-5          7   4    699      300                   30.0     17     5.25   M / FH
                  DK 511-8         10   5    823      400                   23.0     17     5.25   M / FH
                  DK 521-5          6   3    823      400                   25.0     17     5.25   M / HH
                  DK512C-12         7   4    823                            23.0            5.25   S /  FH
                  DK512C-17        10   5    819                            23.0     35     5.25   S /  FH
                  DK512C-8          5   3    823                            23.0            5.25   S /  FH
                  DK522C-10         6   3    819                            25.0     35     5.25   S /  HH
 IMI              5006              2   1    306      214    none     0      0.0     17            M /
                  5012              4   2    306      214    none     0      0.0     17            M /
                  5018              6   3    306      214    none     0      0.0     17            M /
 IMPRIMIS         9415-519          3   2    697                                                   ? /
                  9415-536          5   3    697                                                   ? /
                  9415-538          5   3    733                                                   ? /
                  94155-120         8   4    960                                                   ? /
                  94155-120P        8   4    960                                                   ? /
                  94155-135         9   5    960                                                   ? /
                  94155-135P        9   5    960                                                   ? /
                  94155-48          5   3    925                                                   ? /
                  94155-56          9   5    925                                                   ? /
                  94155-57          6   3    925                                                   ? /
                  94155-67          7   4    925                                                   ? /
                  94155-77          8   4    925                                                   ? /
                  94155-85          8   4   1024                                                   ? /
                  94155-85P         8   4   1024                                                   ? /
                  94155-86          9   5    925                                                   ? /
                  94155-96          9   5   1024                                                   ? /
                  94155-96P         9   5   1024                                                   ? /
                  94156-48          5   3    925                                                   ? /
                  94156-67          7   4    925                                                   ? /
                  94156-86          9   5    925                                                   ? /
                  94166-101         5   3    969                                                   ? /
                  94166-141         7   4    969                                                   ? /
                  94166-182         9   5    969                                                   ? /
                  94186-383        13   7   1412                                                   ? /
                  94186-383H       15   8   1224                                                   ? /
                  94186-442H       15   8   1412                                                   ? /
                  94196-766        15   8   1632                                                   ? /
                  94204-65          8   4    941                                                   ? /
                  94204-71          8   4   1024                                                   ? /
                  94205-51          5   3    989                                                   ? /
                  94205-77          5   3    989                                                   ? /
                  94216-106         5   3   1024                                                   ? /
                  94246-383         7   4   1747                                                   ? /
 ** Number of Platters                                * Controller Type - M = MFM  R = RLL  E = EDSI  S = SCSI  O = Other  ? = N/A






                                                         South Texas BBS I
                                                            HD Listing
                                                           713-894-5636

                                       **          Write    Reduce  Step  Access  Recom'd          Controller
 Manufacturer     Model           Hds  Pl Cylndrs  PreComp  Write   Rate  Time    Sec/trk  Dimsn   Type*/Comment
 ===============  =============== ==== == =======  =======  ======  ====  ======  =======  ======  ================================
 IMPRIMIS         94354-135         9   5   1072                                                   ? /
                  94354-160         9   5   1072                                                   ? /
                  94354-172         9   5   1072                                                   ? /
                  94354-200         9   5   1072                                                   ? /
                  94355-100         9   5   1072                                                   ? /
                  94355-150         9   5   1072                                                   ? /
                  94356-111         5   3   1072                                                   ? /
                  94356-155         7   4   1072                                                   ? /
                  94356-200         9   5   1072                                                   ? /
 JCT              100               0          0                           110.0            5.25   M /  HH  5 MEG
                  1000              0          0                                                   M /  COMMODORE 5 MEG
                  1005              0          0                                                   M /  COMMODORE 7 MEG
                  1010              0          0                                                   M /  COMMODORE 14 MEG
                  105               0          0                           110.0            5.25   M /  HH 7
                  110               0          0                           110.0            5.25   M /  HH 14
                  120               0          0                           110.0            5.25   M /  HH 20
 KALOK CORP.      KL332             4   2    615                            48.0     30            E / 30
                  KL343             4   2    644                            25.0     30            E / 30
                  KL320             4   2    615                            48.0     17     3.5    M / 17
                  KL330             4   2    615                            40.0     26     3.5    R / 26
                  KL341             4   2    644                            30.0     30     3.5    S / 30
 KYOCERA          KC20A             4   2    615                            62.0     17     3.5    M / 3.5"
                  KC20B             4   2    615                            65.0     17     3.5    M /
                  KC30A             4   2    615                            65.0     26     3.5    R /
                  KC30B             4   2    615                            62.0     26     3.5    R /
 LAPINE           3062              4   2    306        0    none     7      0.0     17            M /
                  3512              4   2    306        0    none     7      0.0     17            M /
                  3522              4   2    306        0    none     7      0.0     17     3.5    M / 3.5"
                  LT 200            4   2    615        0    none     7     61.0     17     3.5    M /
                  LT 2000           4   2    615        0    none     7     61.0     17     3.5    M /
                  T-10              2   1    615        0    none     7      0.0     17     3.5    M / 3.5"
                  T-20              4   2    615        0    none     7     61.0     17     3.5    M / 3.5" 61.5ms  Model 3532
                  T-30              4   2    615        0    none     7     61.0     27     3.5    R / RLL  3.5" 61.5ms
                  T-300             4   2    615        0    none     7     61.0     27     3.5    R / RLL  3.5" 61.5ms
 MAXTOR           RXT-800S          2   1                                    0.0            5.25   ? / FH WORM OPTICAL
                  TAHITI            2   1                                    0.0            5.25   ? / FH ERASABLE OPTICAL 650meg
                  XT-4170E          7   4   1224                            14.0     35     5.25   E /  FH
                  XT-4175           7   4   1224                            27.0            5.25   E /  FH
                  XT-4280E         11   6   1224                            27.0     36     5.25   E /  FH
                  XT-4380E         15   8   1224                            16.0     36     5.25   E /
                  XT-8380E          8   4   1632                            14.5     54     5.25   E /  FH
                  XT-8760E         15   8   1632                            16.5     54     5.25   E /  FH
                  XT-1065           7   4    918     none    none     7     28.0     17     5.25   M /  FH
                  XT-1085           8   4   1024     none    none     7     28.0     17     5.25   M /  FH
                  XT-1105          11   6    918     none    none     7     27.0     17     5.25   M /  FH
                  XT-1140          15   8    918     none    none     7     27.0     17     5.25   M /  FH
                  XT-1140          15   8   1024     none    none     7     27.0     17     5.25   M /
                  XT-2085           7   4   1224     none                   30.0     17     5.25   M /  FH
                  XT-2085-          7   4   1024     none                    0.0                   M /
                  XT-2140          11   6   1224     none                   30.0     17     5.25   M /  FH
                  XT-2140-         11   6   1024     none                    0.0                   M /
                  XT-2190          15   8   1224     none    none     7     29.0     17     5.25   M /  FH
 ** Number of Platters                                * Controller Type - M = MFM  R = RLL  E = EDSI  S = SCSI  O = Other  ? = N/A






                                                         South Texas BBS I
                                                            HD Listing
                                                           713-894-5636

                                       **          Write    Reduce  Step  Access  Recom'd          Controller
 Manufacturer     Model           Hds  Pl Cylndrs  PreComp  Write   Rate  Time    Sec/trk  Dimsn   Type*/Comment
 ===============  =============== ==== == =======  =======  ======  ====  ======  =======  ======  ================================
 MAXTOR           XT-2190-         15   8   1024     none                    0.0                   M /
                  XT-4380          15   8   1224                            16.0     17     5.25   M /  FH
                  XT-8760          15   8   1632                            16.5     17     5.25   M /  FH
                  XT-1120R          8   4   1024                            27.0     26     5.25   R /  FH
                  XT-1240R         15   8   1024                            27.0     26     5.25   R /  FH
                  LXT-100           8   4                                   27.0            3.5    S /
                  LXT-200           7   4                                   15.0            3.5    S /
                  XT-3170           9   5   1224                            30.0     48     5.25   S / SCSI interface
                  XT-3280          15   8   1224                            30.0                   S / SCSI interface
                  XT-3380          15   8      0                            27.0            5.25   S /  FH
                  XT-4170S          7   4   1224                            14.0     36     5.25   S /  FH
                  XT-4280S         11   6   1224                            27.0     36     5.25   S /  FH
                  XT-4380S         15   8   1224                            16.0     36     5.25   S /  FH
                  XT-8380S          8   4   1632                            14.5     54     5.25   S /  FH
                  XT-8760S         15   8   1632                            16.5     54     5.25   S /  FH
 MEMOREX          321               2   1    320      128    none     0      0.0     17            M /
                  322               4   2    320      128    none     0      0.0     17            M /
                  323               6   3    320      128    none     7      0.0     17            M /
                  324               8   4    320      128    none     7      0.0     17            M /
                  450               2   1    612      350    none     7      0.0     17            M /
                  512               3   2    961      480    none     7      0.0     17            M /
                  513               5   3    961      480    none     7      0.0     17            M /
                  514               6   3    961      480    none     7      0.0     17            M /
 MICRO STORAGE    MS 212            0          0                             0.0                   ? /
 MICROPOLIS       1352              2   1   1024                            23.0     36     5.25   E /
                  1352A             3   2   1024                            23.0     36     5.25   E /
                  1353              4   3   1024                            23.0     36     5.25   E /  FH
                  1353A             5   3   1024                            23.0     36     5.25   E /  FH
                  1354              6   4   1024                            23.0     36     5.25   E /  FH
                  1354A             7   4   1024                            23.0     36     5.25   E /  FH
                  1355              8   5   1024                            23.0     36     5.25   E / ESDI
                  1516-10S         10   5   1840                            13.5     72     5.25   E /  FH
                  1517-13          13   7   1925                            14.0     72     5.25   E /  FH
                  1518-14          14   8   1925                            14.0     72     5.25   E /  FH
                  1518-15          15   8   1925                            14.0     72     5.25   E /  FH
                  1556-11          11   6   1224                            18.0     36     5.25   E /  FH
                  1557-12          12   7   1224                            18.0     36     5.25   E /  FH
                  1557-13          13   7   1224                            18.0     36     5.25   E /  FH
                  1557-14          14       1224                            18.0     36     5.25   E /  FH
                  1557-15          15       1224                            18.0     36     5.25   E /  FH
                  1566-11          11   6   1632                            16.0     54     5.25   E /  FH
                  1567-12          12       1632                            16.0     54     5.25   E /  FH
                  1567-13          13   7   1632                            16.0     54     5.25   E /  FH
                  1568-14          14   8   1632                            16.0     54     5.25   E /  FH
                  1568-15          15   8   1632                            16.0     54     5.25   E /  FH
                  1653-4            4   3   1249                            16.0     36     5.25   E /  HH
                  1653-5            5   3   1249                            16.0     36     5.25   E /  HH
                  1654-6            6   4   1249                            16.0     36     5.25   E /  HH
                  1654-7            7   4   1249                            16.0     36     5.25   E /  FH
                  1663-4            4   3   1781                            14.0     54     5.25   E /  HH
                  1663-5            5   3   1781                            14.0     54     5.25   E /  HH
                  1664-6            6   4   1781                            14.0     54     5.25   E /  HH
 ** Number of Platters                                * Controller Type - M = MFM  R = RLL  E = EDSI  S = SCSI  O = Other  ? = N/A






                                                         South Texas BBS I
                                                            HD Listing
                                                           713-894-5636

                                       **          Write    Reduce  Step  Access  Recom'd          Controller
 Manufacturer     Model           Hds  Pl Cylndrs  PreComp  Write   Rate  Time    Sec/trk  Dimsn   Type*/Comment
 ===============  =============== ==== == =======  =======  ======  ====  ======  =======  ======  ================================
 MICROPOLIS       1664-7            7   3   1781                            14.0     54     5.25   E /  FH
                  1743-5            5       1140                            15.0     48     3.5    E /     28-48 SPT
                  1744-6            6       1140                            15.0     48     3.5    E /     28-48 SPT
                  1744-7            7       1140                            15.0     48     3.5    E /     28-48 SPT
                  1745-8            8       1140                            15.0     48     3.5    E /     28-48 SPT
                  1745-9            9       1140                            15.0     48     3.5    E /     28-48 SPT
                  1302              3        830      400                    0.0     17     5.25   M /  FH
                  1303              5        830      400    none     7      0.0     17     5.25   M /  FH
                  1304              6        830      400    none     7      0.0     17     5.25   M /  FH
                  1323              4   3   1024     none    none     7     28.0     17     5.25   M /  FH
                  1324              6   4   1024     none    none     7     28.0     17     5.25   M /  FH
                  1325              8   5   1024     none    none     7     28.0     17     5.25   M /  FH
                  1333              4       1024     none    none     7     28.0     17     5.25   M /  FH
                  1334              6   4   1024     none    none     7     30.0     17     5.25   M /  FH
                  1335              8   5   1024     none    none     7     30.0     17     5.25   M /  FH
                  1353              4       1024     none    none     7     28.0     17     5.25   M /  FH
                  1354              6       1024     none    none     7     30.0     17     5.25   M /  FH
                  1355              8       1024     none    none     7     30.0     17     5.25   M /  FH
                  1551              7       1024     none    none     7     30.0     17     5.25   M /  FH
                  1554             11       1224     none    none     7     30.0     17     5.25   M /  FH
                  1555             12       1224     none    none     7     30.0     17     5.25   M /  FH
                  1556             13       1224     none    none     7     30.0     17     5.25   M /  FH
                  1557             14       1224     none    none     7     30.0     17     5.25   M /  FH
                  1558             15       1224     none    none     7     30.0     17     5.25   M /  FH
                  1323A             5   3   1024     none    none     7     28.0     26     5.25   R /  FH RLL
                  1324A             7   4   1024     none    none     7     28.0     26     5.25   R /  FH RLL
                  1333A             5   3   1024     none    none     7     28.0     26     5.25   R /  FH RLL
                  1334A             7       1024     none    none     7     28.0     26     5.25   R /  FH RLL
                  1353A             5   3   1024     none    none     7     28.0     26     5.25   R /  FH RLL
                  1354A             7       1024     none    none     7     28.0     26     5.25   R /  FH RLL
                  1373              4   3   1024                            23.0     36     5.25   S /  FH
                  1373A             5   3   1024                            23.0     36     5.25   S /  FH
                  1374              6   4   1024                            23.0     36     5.25   S /  FH
                  1374A             7   4   1024                            23.0     36     5.25   S /  FH
                  1375              8   5   1024                            23.0     36     5.25   S /  FH
                  1576-11          11   6   1220                            18.0     36     5.25   S /  FH
                  1577-12          12   7   1220                            18.0     36     5.25   S /  FH
                  1577-13          13   7   1220                            18.0     36     5.25   S /  FH
                  1578-14          14   8   1220                            18.0     36     5.25   S /  FH
                  1578-15          15   8   1220                            18.0     36     5.25   S /  FH
                  1586-11          11   6   1628                            16.0     54     5.25   S /  FH
                  1587-12          12       1628                            16.0     54     5.25   S /  FH
                  1587-13          13   7   1628                            16.0     54     5.25   S /  FH
                  1588-14          14   8   1628                            16.0     54     5.25   S /  FH
                  1588-15          15   8   1628                            16.0     54     5.25   S /  FH
                  1597-10S         10       1834                            13.5     54     5.25   S /  FH
                  1597-13          13   7   1919                            14.0     54     5.25   S /  FH
                  1598-14          14   8   1919                            14.0     54     5.25   S /  FH
                  1598-15          15   8   1919                            14.0     54     5.25   S /  FH
                  1673-4            4   3   1249                            16.0     36     5.25   S /  HH
                  1673-5            5   3   1249                            16.0     36     5.25   S /  HH
                  1674-6            6   4   1249                            16.0     36     5.25   S /  HH
 ** Number of Platters                                * Controller Type - M = MFM  R = RLL  E = EDSI  S = SCSI  O = Other  ? = N/A






                                                         South Texas BBS I
                                                            HD Listing
                                                           713-894-5636

                                       **          Write    Reduce  Step  Access  Recom'd          Controller
 Manufacturer     Model           Hds  Pl Cylndrs  PreComp  Write   Rate  Time    Sec/trk  Dimsn   Type*/Comment
 ===============  =============== ==== == =======  =======  ======  ====  ======  =======  ======  ================================
 MICROPOLIS       1674-7            7   4   1249                            16.0     36     5.25   S /  HH
                  1683-4            4   3   1776                            14.0     54     5.25   S /  HH
                  1683-5            5   3   1776                            14.0     54     5.25   S /  HH
                  1684-6            6   4   1776                            14.0     54     5.25   S /  HH
                  1684-7            7   4   1776                            14.0     54     5.25   S /  HH
                  1773-5            5       1140                            15.0     48     3.5    S /  HH 28-48
                  1774-6            6       1140                            15.0     48     3.5    S /  HH 28-48
                  1774-7            7       1140                            15.0     48     3.5    S /  HH 28-48
                  1775-8            8       1140                            15.0     48     3.5    S /  HH 28-48
                  1775-9            9       1140                            15.0     48     3.5    S /  HH 28-48
 MICROSCIENCE     5100              7   4    855                            18.0     36     3.5    E /  HH
                  7040              3        855                            18.0     36     3.5    E /  HH
                  7100              7   4    855                            18.0     36     3.5    E /  HH
                  HH 2085           0          0                                                   E /
                  HH-2012           4        306                             0.0                   E /
                  HH-2120           7       1024                            28.0     33     5.25   E /  HH
                  HH-2160           7   4   1276                            18.0     35     3.5    E /  HH
                  HH-1050           5   3   1024     none    none     0     28.0     17     5.25   M /  HH
                  HH-1075           7       1024                            28.0     17     5.25   M /  HH
                  HH-1090           7   4   1314                            28.0     17     5.25   M /  HH
                  HH-312            4        306     none    none     0      0.0     17            M /
                  HH-315            2        612     none    none     0      0.0     17            M /
                  HH-325            4        612     none    none     0     80.0     17            M /
                  HH-4050           5   3   1024                            18.0     17     3.5    M /  HH
                  HH-4070           7   4   1024                            18.0     17     3.5    M /  HH
                  HH-612            4        306     none    none     0      0.0     17            M /
                  HH-625            4        612                                     17            M /
                  HH-712            2        612     none    none     0    105.0     17     5.25   M /  HH
                  HH-712A           2        612                             0.0                   M /
                  HH-725            4        612     none    none     0    105.0     17     5.25   M / *DTC:Revision C can use RLL.
                  HH-825            4        612                            65.0     17     5.25   M /  HH
                  HH-1060           5   3   1024                            28.0     26     5.25   R /  HH
                  HH-1095           7       1024                            28.0     26     5.25   R /  HH
                  HH-1120           7   4   1314                            28.0     26     5.25   R /  HH
                  HH-330            4        612                             0.0     26            R /
                  HH-4060           5   3   1024                            18.0     26     3.5    R /  HH
                  HH-4090           7   4   1024                            18.0     26     3.5    R /  HH
                  HH-738            4        612                           105.0     26     5.25   R /  HH
                  HH-830            4        615                            65.0     26     5.25   R /  HH
                  6100              7   4    855                            18.0     36     3.5    S /  HH
                  HH-1080           0          0                                                   S /
                  HH-3120           5   3   1314                            28.0     36     5.25   S /  HH
 MINISCRIBE       1302              0          0                             0.0                   ? /
                  3312              0          0                             0.0                   ? /
                  3085E             3       1270                            17.0            5.25   E /  HH
                  3130E             5       1250                            17.0            5.25   E /  HH
                  3180E             7       1254                            17.0            5.25   E /  HH   ESDI/SCSI
                  8051AT            4        745                            28.0     28     3.5    E / AT BUS
                  8225AT            2        745                            28.0     28     3.5    E /  FH   ESDI/SCSI
                  8450AT            4        745                            40.0     28     3.5    E /  FH   ESDI/SCSI
                  9230              9       1224                            16.0            5.25   E /  FH   ESDI/SCSI
                  9230E             9       1224                            17.0            5.25   E /  FH   ESDI/SCSI
 ** Number of Platters                                * Controller Type - M = MFM  R = RLL  E = EDSI  S = SCSI  O = Other  ? = N/A






                                                         South Texas BBS I
                                                            HD Listing
                                                           713-894-5636

                                       **          Write    Reduce  Step  Access  Recom'd          Controller
 Manufacturer     Model           Hds  Pl Cylndrs  PreComp  Write   Rate  Time    Sec/trk  Dimsn   Type*/Comment
 ===============  =============== ==== == =======  =======  ======  ====  ======  =======  ======  ================================
 MINISCRIBE       9380             15       1224                            16.0            5.25   E /  FH   ESDI/SCSI
                  9380E            15       1224                            17.0            5.25   E /  FH   ESDI/SCSI
                  9424E             8       1661                            17.0            5.25   E /  FH   ESDI/SCSI
                  9780E            15       1661                            17.0            5.25   E /  FH   ESDI/SCSI
                  1006              2        153      128                            17            M /
                  1012              4        153      128                            17            M /
                  2006              2        307      128                            17            M /
                  2006              8        512                             0.0                   M /
                  2012              4        306      128                    0.0     17            M /
                  3006              2        306                             0.0                   M /
                  3012              2        612                             0.0                   M /
                  3053              5       1024                            25.0     17     5.25   M /  HH
                  3053II            5       1024                            25.0     17     5.25   M /  HH
                  3085              7       1170      512     off     7     20.0     17     5.25   M /  HH
                  3130              5       1250                            17.0     17     5.25   M /  HH
                  3180              7       1250                            17.0     17     5.25   M /  HH   ESDI/SCSI
                  3212              2        612      128                   85.0     17     5.25   M /  HH
                  3212              2        615        0     off     7      0.0                   M /
                  3212 PLUS         2        612      128                   53.0     17     5.25   M /  HH
                  3412              4        306      128                    0.0     17            M /
                  3425              4        612        0     off     7     85.0     17     5.25   M /  HH
                  3425 PLUS         4        612              306           53.0     17     5.25   M /  HH
                  3650              6        809        0     off     7     61.0     17     5.25   M /  HH
                  3650F             6        809        0     off     7     46.0     17     5.25   M /  HH
                  3675              6        809        0     off     7     61.0     17     5.25   M /  HH
                  4010              2        480      128                            17            M /
                  4020              4        480      128                            17            M /
                  5330              6        480      128                            17            M /
                  5338              6        612      306                            17            M /
                  5440              8        480      128                            17            M /
                  5451              8        612      306                            17            M /
                  6032              3       1024      512     off     7     28.0     17     5.25   M /
                  6053              5       1024      512     off     7     28.0     17     5.25   M /  FH
                  6074              7       1024      512                   28.0     17     5.25   M /  FH
                  6085              8       1024      512     off     7     28.0     17     5.25   M /  FH
                  6212              2        615        0     off     7      0.0     17            M /
                  7426              4        612      613                            17            M /
                  8212              2        615      128     off     7      0.0     17            M /
                  8412              4        306        0     off     7      0.0     17            M /
                  8425              4        615        0     off     7     68.0     17     3.5    M /
                  8425F             4        615        0     off     7     40.0     17     3.5    M / RLL
                  8425XT            4        615                            61.0     17     3.5    M /
                  8438XT            4        615                            61.0     17     3.5    M /
                  3438              4        613                            85.0     26     5.25   R /  HH
                  3438 PLUS         4        613                            53.0     26     5.25   R /  HH
                  3675              6        809                            61.0     26     5.25   R /  HH
                  6079              5       1024      512     off     7     28.0     26     5.25   R /  FH
                  6128              8       1024        0     off     7     28.0     26     5.25   R /
                  8051              5        981                                     26     3.5    R /
                  8225              2        771                                     26     3.5    R /
                  8225XT            4        615                            68.0     26     3.5    R /
                  8434F             4        615                            40.0     26     3.5    R /
 ** Number of Platters                                * Controller Type - M = MFM  R = RLL  E = EDSI  S = SCSI  O = Other  ? = N/A






                                                         South Texas BBS I
                                                            HD Listing
                                                           713-894-5636

                                       **          Write    Reduce  Step  Access  Recom'd          Controller
 Manufacturer     Model           Hds  Pl Cylndrs  PreComp  Write   Rate  Time    Sec/trk  Dimsn   Type*/Comment
 ===============  =============== ==== == =======  =======  ======  ====  ======  =======  ======  ================================
 MINISCRIBE       8438              4        615      128     off     7     68.0     26     3.5    R /
                  8438F             4        615      128     off     7     40.0     26     3.5    R / RLL
                  8450              4        771                                     26     3.5    R /
                  8450XT            4        805                            45.0     26     3.5    R /
                  3085S             3       1255                            17.0            5.25   S /
                  3130S             5       1255                            17.0            5.25   S /
                  3180S             7       1255                            17.0            5.25   S /
                  8051S             4        745                            28.0     28     3.5    S /
                  8425S             4        615                            68.0            3.5    S /
                  9380S            15       1224                            16.0            5.25   S /
                  9424S             8       1661                            17.0            5.25   S /
                  9780S            15       1661                            17.0            5.25   S /
 MITSUBISHI       MR 5310E          5   3    977     none                   28.0     17     5.25   E /  HH
                  MR 521            2        612                            85.0     17     5.25   M /  HH
                  MR 522            4        612      300                   85.0     17     5.25   M /  HH
                  MR 533            3        971     none                    0.0     17     5.25   M /  HH
                  MR 535 MFM        5   3    971     none                   28.0     17     5.25   M /  HH
                  MR 535 RLL        5   3    971     none                   28.0     26     5.25   R /  HH
 MMI              312               4   2    306      128    none     7      0.0                   M /
                  M 106             2   1    306      128    none     7     75.0     17     3.5    M /
                  M 112             4   2    306      128    none     7     75.0     17     3.5    M /
                  M 125             8   4    306      128    none     7     75.0     17     3.5    M /
                  M 206             2   1    306      128    none     7      0.0                   M /
                  M 212             4   2    306      128    none     7     70.0     17     5.25   M /
                  M 225             8   4    306      128    none     7     75.0     17     5.25   M /
                  M 306             2   1    306      128    none     7     75.0     17     3.5    M /
                  M 312             4   2    306      128    none     7     75.0     17     5.25   M /
                  M 325             8   4    306      128    none     7     75.0     17     5.25   M /
 NEC              D 3146H           8   4    615                                                   ? /
                  D 3661            7   4    915                            20.0            3.5    ? /
                  D 5127H           4   2    615                                                   ? /
                  D 5452           10   5    823                                                   ? /
                  D 5682           15   8   1633                                                   ? /
                  D 5652           10   5    823                            23.0     17     5.25   E /  HH
                  D 5655            7   4   1224                            18.0     35     5.25   E /
                  D 5662           15   8   1224                            18.0     35     5.25   E /
                  D 3126            4   2    615      256    none     7     85.0     17     3.5    M /
                  D 3142            8   4    642                            28.0     17     3.5    M /
                  D 5114            2   1    306                            85.0     17            M /
                  D 5124            4   2    306     none                   85.0     17     5.25   M /  HH
                  D 5126            4   2    615      128    none     7     85.0     17     5.25   M /  HH
                  D 5126H           4   2    615      128    none     7     40.0     17     5.25   M /  HH
                  D 5127            4   2    615      128    none     7      0.0     17     5.25   M /  HH
                  D 5146            8   4    615      128    none     7     85.0     17     5.25   M /  HH
                  D 5146H           8   4    615      128    none     7     40.0     17     5.25   M /  HH    RLL
                  D 5147            8   4    615      128    none     7      0.0     17     5.25   M /  HH
                  D 5147H           8   4    615      128    none     7      0.0     17     5.25   M /  HH
 NEI              RD 3127           2   1    612                             0.0                   M /
                  RD 3255           4   2    612                             0.0                   M /
                  RD 4127           4   2    306                             0.0     17            M /
                  RD 4255           8   4    306                             0.0                   M /
 NEWBURY DATA     NDR 2190         15   8   1224                                                   ? /
 ** Number of Platters                                * Controller Type - M = MFM  R = RLL  E = EDSI  S = SCSI  O = Other  ? = N/A






                                                         South Texas BBS I
                                                            HD Listing
                                                           713-894-5636

                                       **          Write    Reduce  Step  Access  Recom'd          Controller
 Manufacturer     Model           Hds  Pl Cylndrs  PreComp  Write   Rate  Time    Sec/trk  Dimsn   Type*/Comment
 ===============  =============== ==== == =======  =======  ======  ====  ======  =======  ======  ================================
 NEWBURY DATA     NDR 4170          7   4   1224                                                   ? /
                  NDR 4380         15   8   1224                                                   ? /
                  NDR 4175          7   4   1224     none                   28.0     36     5.25   E /  FH
                  NDR 4380         15   8   1224     none                   28.0     36     5.25   E /  FH
                  1065              7   4    918                            25.0     17     5.25   M /  FH
                  1085              8   4   1025     none                   26.0     17     5.25   M /  FH
                  1105             11   6    918     none                   25.0     17     5.25   M /  FH
                  1140             15   8    918     none                   25.0     17     5.25   M /  FH
                  1140-            15   8   1024                            25.0     17     5.25   M /  FH
                  2190-            15   8   1024     none                   28.0     17     5.25   M /  FH
                  NDR 340           8   4    615     none                   40.0     17     3.5    M /
                  NDR 360           8   4    615                                                   M /
                  2190             15   8    918     none                    0.0     17     5.25   N /  FH
                  320               4   2    615     none                    0.0                   N /
                  NDR 3170S         9   5   1224     none                   28.0     26     5.25   S /  FH
                  NDR 3280S        15   8   1224     none                   28.0     26     5.25   S /  FH
                  NDR 4380S        15   8   1224     none                   28.0     34     5.25   S /  FH
 NPL              NP 03-6           2   1    306                             0.0                   M /
                  NP 03-13          4   2    306                             0.0                   R / 315 RLL
                  NP 02-26S         4   2    640                             0.0                   S /
 OKIDATA          OD 526            4   2    615                             0.0     26            R /
                  OD 540            6   3    615                             0.0     26            R /
 OLIVETTI         HD662/11          2   1    612                                     17            M /
                  HD662/12          4   2    612                                     17            M /
 OTARI            C 214             4   2    306      128     128                    17            M /
                  C 519             6   3    306      128     128                    17            M /
                  C 526             8   4    306      128     128                    17            M /
 PANASONIC        JU-116            4   2    615                            85.0     17     3.5    M /
                  JU-128            7   4    733                            35.0     17     3.5    M /
 PRAIRETEK        Praire 120        2   1    615                            23.0     34     2.5    ? / New Glass media(?)
                  Praire 220        4   2    612                            28.0     17     2.5    ? / New Glass media(?)
                  Praire 240        4   2    615                            28.0     34     2.5    ? / New Glass media(?)
 PRIAM            617              11   6    752                                                   ? /
                  623              15   8    752                                                   ? /
                  630              15   8   1224                                                   ? /
                  617               7   4   1225                            20.0            5.25   E /  FH
                  628              11   6   1225                            18.0     35     5.25   E /  FH
                  638              15   8   1225                            20.0     34     5.25   E /  FH
                  502               7   4    755                                     17            M /
                  504               7   4    755                                     17            M /
                  514              11   6   1224                            22.0     17     5.25   M /  FH
                  519              15   8   1224     none                   22.0     17     5.25   M /  FH
                  ID 130           15   8   1224     none    none     7      0.0                   M /
                  S 14             11   6   1224     none    none     7      0.0                   M /
                  S 19             15   8   1224     none    none     7      0.0                   M /
                  V 150             5   3    987     none    none     7      0.0     17            M /
                  V 160             5   3   1166     none                    0.0     17            M /
                  V 170             7   4    987     none    none     7      0.0     17            M /
                  V 185             7   4   1166     none                    0.0     17            M /
                  V 130             3   2    987     none    none     7      0.0     26            R /
                  V 160             5   3   1166     none    none     7      0.0     17            R /
                  V 170             7   4    987     none    none     7      0.0     26            R /
 ** Number of Platters                                * Controller Type - M = MFM  R = RLL  E = EDSI  S = SCSI  O = Other  ? = N/A






                                                         South Texas BBS I
                                                            HD Listing
                                                           713-894-5636

                                       **          Write    Reduce  Step  Access  Recom'd          Controller
 Manufacturer     Model           Hds  Pl Cylndrs  PreComp  Write   Rate  Time    Sec/trk  Dimsn   Type*/Comment
 ===============  =============== ==== == =======  =======  ======  ====  ======  =======  ======  ================================
 PRIAM            717               7   4   1225                            20.0            5.25   S /  FH
                  728              11   6   1225                            20.0            5.25   S /  FH
                  738              15   8   1225                            20.0            5.25   S /  FH
 PTI              PT-325R           0          0                             0.0                   ? /
                  PT-225            4   2    615      300    none     7      0.0     17            M /
                  PT-234            4   2    820                            35.0     17            M /
                  PT-338            6   3    615     none    none     7     35.0     17     3.5    M /
                  PT-351            6   3    820                            35.0     17     3.5    M /
                  PT-238A           4   2    615                            35.0     26            R /  FOR AT BUS
                  PT-238R           4   2    615      300    none     7      0.0     26            R / RLL
                  PT-251A           4   2    820                            35.0     26            R /  FOR AT BUS
                  PT-251R           4   2    820                            35.0     26     5.25   R /
                  PT-338R           6   3    615     none    none     7      0.0     26            R / RLL
                  PT-357A           6   3    615                            35.0     26     3.5    R /  FOR AT BUS
                  PT-357R           6   3    615     none    none     7     35.0     26     3.5    R / RLL
                  PT-376A           6   3    820                            35.0     26     3.5    R /  FOR AT BUS
                  PT-376R           6   3    820                            35.0     26     3.5    R /
                  PT-4102R          8   4    820                            35.0     26     3.5    R /
                  PT-238S           4   2    615                            35.0            5.25   S /
                  PT-251S           4   2    820                            35.0     26     5.25   S /
                  PT-357S           6   3    615                            35.0     26     3.5    S /
                  PT-376S           6   3    820                            35.0     26     3.5    S /
 QUANTUM          PRO100            0          0                            19.0            3.5    E /
                  PRO145            0          0                            19.0            3.5    E /
                  Q 510             2   1    512      256    none     7     17.0                   M /
                  Q 520             4   2    512      256    none     7     17.0                   M /
                  Q 530             6   3    512      256    none     7     17.0                   M /
                  Q 540             8   4    512      256    none     7     17.0                   M /
                  PRO120            0          0                            19.0            3.5    R /   AT BUS
                  PRO170            0          0                            19.0            3.5    R /   AT BUS
                  PRO40AT           3   2      0                            19.0            3.5    R /   AT BUS
                  PRO80AT           6   3      0                            19.0            3.5    R /   AT BUS
                  PRO120S           5   3      0                            19.0     48     3.5    S /  120
                  PRO170            0          0                            19.0            3.5    S /  168
                  PRO40             0          0                            19.0            3.5    S /  42
                  PRO80             0          0                            19.0            3.5    S /  84
                  Q-160            12   6      0                            26.0            5.25   S /  HH
                  Q-250             4   2    823                            26.0            5.25   S /  HH
                  Q-280             6   3    823                            26.0            5.25   S /  HH
 QUME             R 200             0          0                             0.0                   ? /
                  R 300             0          0                             0.0                   ? /
 RICOH            5130              2   1    612      400    none     7     85.0     17            M /
                  RH-5260           2   1    615                            85.0     17            M /  REMOV.
                  RH-5261           2   1    612                            85.0                   S /  REMOV.
 RMS              RMS 503           2   1    153       77      77     0      0.0                   M /
                  RMS 506           4   2    153       77      77     0      0.0                   M /
                  RMS 512           8   4    153       77      77     0      0.0                   M /
 RODIME           RO 206            0          0                             0.0                   ? /
                  RO 101            2   1    192        0      96     7      0.0     17     5.25   M /  FH
                  RO 102            4   2    192        0      96     7      0.0     17     5.25   M /  FH
                  RO 103            6   3    192        0      96     7     55.0     17     5.25   M /  FH
                  RO 104            8   4    192        0      96     7      0.0     17     5.25   M /  FH
 ** Number of Platters                                * Controller Type - M = MFM  R = RLL  E = EDSI  S = SCSI  O = Other  ? = N/A






                                                         South Texas BBS I
                                                            HD Listing
                                                           713-894-5636

                                       **          Write    Reduce  Step  Access  Recom'd          Controller
 Manufacturer     Model           Hds  Pl Cylndrs  PreComp  Write   Rate  Time    Sec/trk  Dimsn   Type*/Comment
 ===============  =============== ==== == =======  =======  ======  ====  ======  =======  ======  ================================
 RODIME           RO 201            2   1    321        0     132     7     85.0     17     5.25   M /  FH
                  RO 201E           2   1    640        0    none     7     55.0     17     5.25   M /  FH
                  RO 202            4   2    321        0     132     7     85.0     17     5.25   M /  HH
                  RO 202E           4   2    640        0    none     7     55.0     17     5.25   M /  FH
                  RO 203            6   3    321        0     132     7     85.0     17     5.25   M /  HH
                  RO 2031           6   3    320                                                   M /
                  RO 203E           6   3    640        0    none     7     55.0     17     5.25   M /  FH
                  RO 204            8   4    321        0     132     7     85.0     17     5.25   M /  FH
                  RO 204E           8   4    640        0    none     7     55.0     17     5.25   M /  FH
                  RO 251            2   1    306                            85.0     17     5.25   M /  HH
                  RO 252            4   2    306      128      64           85.0     17     5.25   M /  HH
                  RO 252F           4   2    306                             0.0                   M /
                  RO 3000A-XLAT     5   3    992                                     17            M /
                  RO 3045           5   3    872        0    none     7     28.0     17            M /
                  RO 3055           6   3    872        0    none     7     28.0     17            M /
                  RO 3065           7   4    872                            28.0     17            M /
                  RO 351            2   1    306                            85.0     17            M /
                  RO 365            4   2    612                                     17     3.5    M /
                  RO 5065           5   3      0                            28.0     17     5.25   M /  HH
                  RO 5065           5   3   1224                                     17            M /
                  RO 5090           7   4   1224                            28.0     17     5.25   M /  HH
                  RO 3000A-NAT      5   3    625                                     27            R /
                  RO 3060R          5   3    750                                     26            R /
                  RO 3075R          6   3    750                                     26            R /
                  RO 3085R          7   4    750                                     26            R /
                  RO 352            4   2    306      128      64     7     85.0     17     3.5    R /  HH
                  RO 5090R          7   4   1224                                     26            R /
                  RO 3057S          5   3    680                            28.0                   S /
                  RO 3070S          0          0                            28.0                   S /
                  RO 3085S          7   4    750                            28.0                   S /
                  RO 5040           3   2   1224                            28.0                   S /
                  RO 5075S          0          0                            28.0            5.25   S /  HH
                  RO 5125S          5   3   1219                            28.0            5.25   S /  HH
                  RO 5180S          7   4   1219                            28.0            5.25   S /  HH
                  RO 652A           0          0                            85.0                   S /
                  RO 652B           4   2    306                            85.0                   S /
                  RO 752A           0          0                            85.0            5.25   S /  HH
 SEAGATE          ST-112            0          0                             0.0                   ? /
                  ST-4192E          8   4   1147                      7     17.0     36     5.25   E / SCSI interface
                  ST-125            4   2    615     none    none     7     40.0     17     3.5    M /  Old designation 28 ms
                  ST-125-1          4   2    615     none    none     7     28.0     17     3.5    M /
                  ST-125A           4   2    404     none    none     7     28.0     26     3.5    M / RLL AT 16 bit
                  ST-125A-1         4   2    404     none    none     7     28.0     26     3.5    M / RLL AT 16 bit
                  ST-138            6   3    615     none    none     7     40.0     17     3.5    M /  Old designation 28 ms
                  ST-138-1          6   3    615     none    none     7     28.0     17     3.5    M /
                  ST-151            5   3    977     none    none     7     24.0     17     3.5    M / 23ms 3.5"
                  ST-206            2   1    306      128                    0.0     17     5.25   M /  FH
                  ST-212            4   2    306      128     128     7      0.0     17     5.25   M /  FH
                  ST-213            2   1    615      300    none     7      0.0     17     5.25   M /  FH
                  ST-225            4   2    615      300    none     7     65.0     17     5.25   M /  HH
                  ST-251            6   3    820     none    none     7     40.0     17     5.25   M /  HH
                  ST-251-1          6   3    820     none    none     7     28.0     17     5.25   M /  HH
 ** Number of Platters                                * Controller Type - M = MFM  R = RLL  E = EDSI  S = SCSI  O = Other  ? = N/A






                                                         South Texas BBS I
                                                            HD Listing
                                                           713-894-5636

                                       **          Write    Reduce  Step  Access  Recom'd          Controller
 Manufacturer     Model           Hds  Pl Cylndrs  PreComp  Write   Rate  Time    Sec/trk  Dimsn   Type*/Comment
 ===============  =============== ==== == =======  =======  ======  ====  ======  =======  ======  ================================
 SEAGATE          ST-4026           4   2    615      300    none     5      0.0     17     5.25   M /  FH
                  ST-4030           5   3    733              354            0.0     17     5.25   M /
                  ST-4038           5   3    733      300    none     7     40.0     17     5.25   M /  FH
                  ST-4038M          5   3    733     none                   40.0     17     5.25   M /
                  ST-4051           5   3    977     none    none     7     40.0     17     5.25   M /  FH
                  ST-4053           5   3   1024     none                   28.0     17     5.25   M /  FH
                  ST-406            2   1    306      128     128     7      0.0     17     5.25   M /  FH
                  ST-4096           9   5   1024     none    none     7     28.0     17     5.25   M /  FH
                  ST-412            4   2    306      128     128     7      0.0     17     5.25   M /  FH
                  ST-419            6   3    306      128     128     7      0.0     17     5.25   M /  FH
                  ST-425            8   4    306                             0.0     17     5.25   M /  FH
                  ST-506            4   2    153      128     128     0      0.0     17     5.25   M /  FH
                  ST-706            2   1    306      128                    0.0     17     5.25   M /  FH
                  ST-138A           4   2    604     none    none     7     40.0     26     3.5    R / RLL AT 16 bit
                  ST-138A-1         4   2    604     none    none     7     28.0     26     3.5    R / RLL AT 16 bit
                  ST-138R           4   2    615     none    none     7     40.0     26     3.5    R / RLL
                  ST-138R-1         4   2    615     none    none     7     28.0     26     3.5    R / RLL  Old designation 28 ms
                  ST-157A           6   3    539     none    none     7     40.0     26     3.5    R / RLL  AT 16 bit
                  ST-157A-1         6   3    539     none    none     7     28.0     26     3.5    R / RLL  AT 16 bit
                  ST-157R           6   3    615     none    none     7     40.0     26     3.5    R / RLL
                  ST-157R-1         6   3    615     none    none     7     28.0     26     3.5    R / RLL  Old designation 28 ms
                  ST-225R           2   1    667     none    none     7     70.0     26     5.25   R / RLL/ARLL
                  ST-238R           4   2    615      300    none     7     65.0     26     5.25   R /  HH
                  ST-250R           4   2    667     none    none     7     70.0     26     5.25   R / RLL/ARLL
                  ST-251R           6   3    820     none    none     7     40.0     26     5.25   R / RLL
                  ST-277R           6   3    820     none    none     7     40.0     26     5.25   R / RLL
                  ST-277R-1         6   3    820     none    none     7     28.0     26     5.25   R / RLL  3.5"
                  ST-4077R          5   3   1024     none    none     7     28.0     26     5.25   R / RLL
                  ST-4144R          9   5   1024     none    none     7     28.0     26     5.25   R /
                  ST-1096N          7   4    906     none    none     7     24.0            3.5    S / SCSI
                  ST-125N           4   2    407     none    none     7     40.0     35     3.5    S / SCSI
                  ST-125N-1         4   2    407     none    none     7     28.0     35     3.5    S / SCSI
                  ST-138N           4   2    613     none    none     7     40.0     35     3.5    S / SCSI  Old designation 28 ms
                  ST-138N-1         4   2    613     none    none     7     28.0     35     3.5    S / SCSI
                  ST-157N           6   3    613     none    none     7     40.0     26     3.5    S / SCSI  Old designation 28 ms
                  ST-157N-1         6   3    613     none    none     7     28.0     26     3.5    S / SCSI
                  ST-177N           5   3    921     none    none     7     24.0     26     3.5    S / SCSI  Old designation 28 ms
                  ST-225N           4   2    615      300    none     7     65.0     17     5.25   S / SCSI
                  ST-251N           4   2    818     none    none     7     40.0     26     5.25   S / SCSI
                  ST-251N-1         4   2    818     none    none     7     28.0     26     5.25   S / SCSI
                  ST-277N           6   3    820     none    none     7     40.0     26     5.25   S / SCSI
                  ST-277N-1         6   3    628     none    none     7     28.0     26     5.25   S / SCSI
                  ST-296N           6   3    818                            28.0     34     5.25   S /  HH
                  ST-4051N          5   3    977              n/a            0.0                   S /
                  ST-4077N          5   3   1024     none    none     7     28.0     34     5.25   S / SCSI
                  ST-4096N          8   4   1147     none    none     7     28.0            5.25   S / SCSI
                  ST-4144N          9   5   1024     none    none     7     28.0            5.25   S / SCSI
                  ST-4192N          8   4   1147                      7     17.0     36     5.25   S / SCSI
 SHUGART          SA 724            0          0                             0.0     17            ? /
                  SA 604            4   2    159      128     128     0      0.0     17            M /
                  SA 606            6   3    159      128     128     0      0.0     17            M /
                  SA 607            2   1    306      128                    0.0     17            M /
 ** Number of Platters                                * Controller Type - M = MFM  R = RLL  E = EDSI  S = SCSI  O = Other  ? = N/A






                                                         South Texas BBS I
                                                            HD Listing
                                                           713-894-5636

                                       **          Write    Reduce  Step  Access  Recom'd          Controller
 Manufacturer     Model           Hds  Pl Cylndrs  PreComp  Write   Rate  Time    Sec/trk  Dimsn   Type*/Comment
 ===============  =============== ==== == =======  =======  ======  ====  ======  =======  ======  ================================
 SHUGART          SA 612            4   2    311      128    none     0      0.0     17            M /
                  SA 706            2   1    306      128                    0.0     17            M /
                  SA 712            4   2    306      128                    0.0     17            M /
 SIEMENS          1200              8   4   1216                            25.0            5.25   E /  FH
                  1300             12   6   1216                            25.0            5.25   E /  FH
                  2200              8   4   1216                            25.0            5.25   E /  FH
                  2300             12   6   1216                            25.0            5.25   E /  FH
                  5710             15   8      0                            16.0                   E /
                  5720             15   8      0                            16.0                   S /
 SYQUEST          SQ 306R           2   1    306                             0.0     17            M / Removable cartridge
                  SQ 306RD          4   2    306     none    none     7      0.0     17            M / Removable cartridge
                  SQ 312            2   1    615                             0.0     17            M /
                  SQ 312RD          2   1    615     none    none     7      0.0     17            M / Removeable
                  SQ 315F           4   2    612     none    none     7      0.0     17            M /
                  SQ 319            2   1    612                             0.0     17            M /
                  SQ 325            4   2    612                             0.0     17            M /
                  SQ 325F           4   2    615     none    none     7      0.0     17            M /
                  SQ 338F           6   3    615     none    none     7      0.0     17            M /
                  SQ 340AF          6   3    640                                     17            M /
 T.I.                               4   2    153       64      64            0.0     17     5.25   M /  FH
 TANDON           TM 251            2   1    306                             0.0                   M /
                  TM 252            4   2    306     none    none     7      0.0     17            M /
                  TM 261            2   1    612                             0.0     17            M /
                  TM 262            4   2    615     none    none     7      0.0     17            M /
                  TM 3085           8   4   1024                            37.0     17            M /
                  TM 353            4   2    306                                     17            M /
                  TM 361            2   1    612                             0.0     17            M /
                  TM 362            4   2    615     none    none     7      0.0     17            M /
                  TM 501            2   1    306      153     128     0      0.0     17            M /
                  TM 502            4   2    306      153     128     0      0.0     17            M /
                  TM 503            6   3    306      153     128     0      0.0     17            M /
                  TM 6025           4   2    153     none     128     0      0.0     17            M /
                  TM 602S           4   2    153     none     128     0      0.0     17            M /
                  TM 6035           6   3    153     none     128     0      0.0     17            M /
                  TM 6035E          6   3    230      128     128     0      0.0     17            M /
                  TM 603S           6   3    153     none     128     0      0.0     17            M /
                  TM 603SE          6   3    230      128     128     0      0.0     17            M /
                  TM 703            5   3    733     none    none     7      0.0     17            M /
                  TM 705            5   3    962     none                    0.0                   M /
                  TM 755            5   3    981     none    none     7     37.0     17     3.5    M /
                  TM 244            4   2    782                            37.0     26            R /
                  TM 246            6   3    782                            37.0     26            R /
                  TM 262R           2   1    782                                     26     3.5    R /  186364-408
                  TM 264            4   2    782                            85.0     26     3.5    R /
                  TM 3085           8   4   1024                            37.0     26            R /
                  TM 344            4   2    782                            37.0     26     3.5    R /
                  TM 346            6   3    782                            37.0     26     3.5    R /
                  TM 362R           2   1    782                            85.0     26     3.5    R /
                  TM 364            4   2    782                            85.0     26     3.5    R /  186364-102
                  TM 702            4   2    615     none    none     7      0.0     26            R /
                  TM 702AT          4   2    615     none                    0.0     26            R /
                  TM 703AT          5   3    733     none                    0.0     26            R /
 ** Number of Platters                                * Controller Type - M = MFM  R = RLL  E = EDSI  S = SCSI  O = Other  ? = N/A






                                                         South Texas BBS I
                                                            HD Listing
                                                           713-894-5636

                                       **          Write    Reduce  Step  Access  Recom'd          Controller
 Manufacturer     Model           Hds  Pl Cylndrs  PreComp  Write   Rate  Time    Sec/trk  Dimsn   Type*/Comment
 ===============  =============== ==== == =======  =======  ======  ====  ======  =======  ======  ================================
 TANDON           TM 2085           9   5   1004                            25.0                   S /
                  TM 2128           9   5   1004                            25.0                   S /
                  TM 2170           9   5   1344                            25.0                   S /
 TEAC             SD-540            0          0                             0.0                   ? /
                  SD-150            4   2    306                             0.0                   M /
                  SD-510            4   2    306      128     128     7      0.0     17            M /
                  SD-520            4   2    615      128     128     7      0.0     17            M /
 TOKICO           DK 503-2          4   2    306                             0.0                   M /
 TOSHIBA          MK 153FA          5   3    831                            23.0     35     5.25   E /  FH
                  MK 154FA          7   4    831                            23.0     35     5.25   E /  FH
                  MK 250F          10   5   1224                            18.0     35     5.25   E /  FH EDSI/SCSI
                  MK 134FA          7   4    733                            25.0     17     3.5    M /
                  MK 53F            5   3    830      512                   30.0     17     5.25   M /  FH
                  MK 53FA           5   3    830      512    none     7     30.0     17     5.25   M /  FH
                  MK 54F            7   4    830      512                   30.0     17     5.25   M /  FH
                  MK 54FA           7   4    830      512    none     7     30.0     17     5.25   M /  FH
                  MK 56F           10   5    830      512                   30.0     17     5.25   M /  FH
                  MK 56FA          10   5    830      512    none     7     30.0     17     5.25   M /  FH
                  MK 53FB           5   3    830      512    none     7     23.0     26     5.25   R /  FH
                  MK 54FB           7   4    830      512    none     7     25.0     26     5.25   R /  FH
                  MK 56FB          10   5    830      512    none     7     25.0     26     5.25   R /  FH
                  MK-53F-R          5   3    830                                                   R /
                  MK-54F-R          7   4    830                                                   R /
                  MK-56F-R         10   5    830                                                   R /
                  MK 156FB         10   5    831                            23.0     35     5.25   S /  FH
                  MK-153FB          5   3    830                            23.0     35     5.25   S /  FH
                  MK-154FB          7   4    830                            23.0     35     5.25   S /  FH
                  MK-156FA         10   5    830                            23.0     35     5.25   S /  FH
 TULIN            TL 213            2   1    612                             0.0     17            M /
                  TL 226            4   2    640     none    none     7      0.0     17            M /
                  TL 238            4   2    640     none                    0.0     17            M /
                  TL 240            6   3    640     none    none     7      0.0     17            M /
                  TL 258            6   3    640     none                    0.0     17            M /
                  TL 326            4   2    640     none    none     7      0.0     17            M /
                  TL 340            6   3    640     none    none     7      0.0     17            M /
 VERTEX           V130              3   2    987                                     17            M /
                  V150              5   3    987                                     17            M /
                  V170              7   4    987                                     17            M /
                  V185              7   4   1166                                     17            M /
 WESTERN DIGITAL  WD 262            4   2    615                            80.0     17     3.5    M /  to 5.25 HH
                  WD 362            4   2    615                            80.0     17     3.5    M /
                  WD 344R           4   2    782                            40.0     26     3.5    R /
                  WD 382R TM262R    2   1    782                            85.0     26     3.5    R /
                  WD 383R           4   2    615                            85.0     26     3.5    R /  HH
                  WD 384R TM364     4   2    782                            85.0     26     3.5    R /
                  WD 544R           4   2    782                            40.0     26     3.5    R /  5.25 HH  BRKT
                  WD 582R           2   1    782                            85.0     26     3.5    R /  to 5.25 HH  BRKT
                  WD 583R           4   2    615                            85.0     26     3.5    R /  HH  BRKT
                  WD 584R           4   2    782                            85.0     26     3.5    R /  5.25 HH  BRKT
                  WD93028-A         2   1    782                            69.0     27     3.5    R /
                  WD93028-X         2   1    782                            70.0     27     3.5    R /
                  WD93038-X         3   2    782                            70.0     27     3.5    R /
 ** Number of Platters                                * Controller Type - M = MFM  R = RLL  E = EDSI  S = SCSI  O = Other  ? = N/A






                                                         South Texas BBS I
                                                            HD Listing
                                                           713-894-5636

                                       **          Write    Reduce  Step  Access  Recom'd          Controller
 Manufacturer     Model           Hds  Pl Cylndrs  PreComp  Write   Rate  Time    Sec/trk  Dimsn   Type*/Comment
 ===============  =============== ==== == =======  =======  ======  ====  ======  =======  ======  ================================
 WESTERN DIGITAL  WD93048-A         4   2    782                            69.0     27     5.3    R /
                  WD93048-X         4   2    782                            70.0     27     3.5    R /
                  WD95028-A         2   1    782                            69.0     27     5.25   R /  HH
                  WD95028-X         2   1    782                            69.0     27     5.25   R /  HH
                  WD95038-X         3   2    782                            80.0     27     5.25   R /  HH
                  WD95048-A         4   2    782                            80.0     27     5.25   R /  HH
                  WD95048-X         4   2    782                            80.0     27     5.25   R /  HH
 WESTERN DYNEX    WD 505            2   1    310     none    none     7      0.0                   M /
 XEBEC            OWL I             4   2      0                            55.0            5.25   M /  HH
                  OWL II            4   2      0                            40.0            5.25   M /  HH
                  OWL III           4   2      0                            38.0            5.25   M /  HH





 * It seems that CDC drives are now made by Seagate (or maybe sold by Seagate). Will check on this for new listing.



































 ** Number of Platters                                * Controller Type - M = MFM  R = RLL  E = EDSI  S = SCSI  O = Other  ? = N/A
