DATA TECHNOLOGY CORPORATION
===========================

   DTC5150CR, DTC5150CRH, DTC5160CR, DTC5160CRH

   Data bus:  8 bit ISA

   Size: Half-length, full-height card.

   Hard drives supported:  Two MFM ST506/412 drives

   DTC5160CR: Two RLL ST506/412 drives

   Floppy drives supported: None

<gopher://bitreich.org/I/th99/c/C-D/20062-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                 Function                  |    Location    |
   |-------------------------------------------+----------------|
   | 34-pin control cable connector-hard drive |       J1       |
   |-------------------------------------------+----------------|
   | 20-pin data cable connector-drive 0       |       J2       |
   |-------------------------------------------+----------------|
   | 20-pin data cable connector-drive 1       |       J3       |
   |-------------------------------------------+----------------|
   | 5-pin connector-DC power                  |       J4       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        BIOS ADDRESS                        |
   |------------------------------------------------------------|
   |    Address    | W2/jumper 1  | W2/jumper 2  | W2/jumper 3  |
   |---------------+--------------+--------------+--------------|
   |>> |   C800h   |     open     |     open     |    closed    |
   |---+-----------+--------------+--------------+--------------|
   |   |   D000h   |    closed    |     open     |    closed    |
   |---+-----------+--------------+--------------+--------------|
   |   |   D800h   |     open     |    closed    |    closed    |
   |---+-----------+--------------+--------------+--------------|
   |   |   F400h   |    closed    |    closed    |    closed    |
   |---+-----------+--------------+--------------+--------------|
   |   | Disabled  |     open     |     open     |     open     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |             Function             | Location |   Setting    |
   |----------------------------------+----------+--------------|
   |>> | BIOS size set for 8K         |    W1    |  pins 1 & 2  |
   |   |                              |          |    closed    |
   |---+------------------------------+----------+--------------|
   |   | BIOS size set for 16K        |    W1    |  pins 2 & 3  |
   |   |                              |          |    closed    |
   |---+------------------------------+----------+--------------|
   |>> | DACK3                        |    W3    |  pins 2 & 3  |
   |   |                              |          |    closed    |
   |---+------------------------------+----------+--------------|
   |   | DACK1                        |    W3    |  pins 1 & 2  |
   |   |                              |          |    closed    |
   |---+------------------------------+----------+--------------|
   |>> | DREQ3                        |    W4    |  pins 1 & 2  |
   |   |                              |          |    closed    |
   |---+------------------------------+----------+--------------|
   |   | DREQ1                        |    W4    |  pins 2 & 3  |
   |   |                              |          |    closed    |
   |---+------------------------------+----------+--------------|
   |>> | Hard drive Interrupt is IRQ5 |    W5    |  pins 2 & 3  |
   |   |                              |          |    closed    |
   |---+------------------------------+----------+--------------|
   |   | Hard drive Interrupt is IRQ2 |    W5    |  pins 1 & 2  |
   |   |                              |          |    closed    |
   |---+------------------------------+----------+--------------|
   |>> | I/O Port address is          |    W7    |    closed    |
   |   | 320h-323h                    |          |              |
   |---+------------------------------+----------+--------------|
   |   | I/O Port address is          |    W7    |     open     |
   |   | 324h-327h                    |          |              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |         DRIVE TYPES FOR THE "BXD06" BIOS         |  DRIVE  |
   |                                                  |  TYPE   |
   |                                                  | FOR THE |
   |                                                  | "BXD07" |
   |                                                  |  BIOS   |
   |--------------------------------------------------+---------|
   |   |         Form          |         Form         |         |
   |   |  Cap./Hds./Cyls./WPC  | Cap./Hds./Cyls./WPC  |         |
   |---+-----------------------+----------------------|         |
   | 0 | 35MB / 8 / 512 / none |   20MB / 4 / 612 /   |         |
   |   |                       |         none         |         |
   |---+-----------------------+----------------------|         |
   | 1 | 10MB / 2 / 615 / none |   32MB / 5 / 733 /   |         |
   |   |                       |         none         |         |
   |---+-----------------------+----------------------|         |
   | 2 | 20MB / 4 / 612 / 128  | 20MB / 4 / 612 / 128 |         |
   |---+-----------------------+----------------------|         |
   | 3 | 10MB / 4 / 306 / none |   10MB / 4 / 306 /   |         |
   |   |                       |         none         |         |
   |---+-----------------------+----------------------|         |
   | 4 | 5MB / 2 / 306 / none  |   43MB / 5 / 987 /   |         |
   |   |                       |         none         |         |
   |---+-----------------------+----------------------|         |
   | 5 | 26MB / 8 / 375 / none |   60MB / 7 / 987 /   |         |
   |   |                       |         none         |         |
   |---+-----------------------+----------------------|         |
   | 6 | 20MB / 8 / 306 / none |   20MB / 8 / 306 /   |         |
   |   |                       |         none         |         |
   |---+-----------------------+----------------------|         |
   | 7 |     Reserved for      |     Reserved for     |         |
   |   |     non-standard      |     non-standard     |         |
   |---+-----------------------+----------------------|         |
   | 8 | 15MB / 6 / 306 / none |   42MB / 5 / 977 /   |         |
   |   |                       |         none         |         |
   |---+-----------------------+----------------------|         |
   | 9 | 27MB / 6 / 512 / none |   42MB / 6 / 820 /   |         |
   |   |                       |         none         |         |
   |---+-----------------------+----------------------|         |
   | A | 10MB / 2 / 612 / none |   10MB / 2 / 612 /   |         |
   |   |                       |         none         |         |
   |---+-----------------------+----------------------|         |
   | B | 22MB / 4 / 640 / none |  62MB / 7 / 1024 /   |         |
   |   |                       |         none         |         |
   |---+-----------------------+----------------------|         |
   | C | 18MB / 3 / 697 / none |  71MB / 8 / 1024 /   |         |
   |   |                       |         none         |         |
   |---+-----------------------+----------------------|         |
   | D | 30MB / 5 / 697 / none |  80MB / 9 / 1024 /   |         |
   |   |                       |         none         |         |
   |---+-----------------------+----------------------|         |
   | E | 33MB / 6 / 640 / none |   33MB / 6 / 640 /   |         |
   |   |                       |         none         |         |
   |---+-----------------------+----------------------|         |
   | F |    Special Setting    |   Special Setting    |         |
   |--------------------------------------------------|         |
   | Note: Drive types "9" through "F" are only       |         |
   | available with the 16K BIOS.                     |         |
   +------------------------------------------------------------+