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

   DTC5150CI, DTC5150CX

   Data bus: 8 bit, ISA

   Size: Three-quarter length, full-height card.

   Hard drives supported: Two MFM ST506/412 drives

   Floppy drives supported: None

<gopher://bitreich.org/I/th99/c/C-D/20061-1.png>
   

   The DTC5150CX

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                 Function                  |    Location    |
   |-------------------------------------------+----------------|
   | 34-pin control cable connector-hard drive |      CN1       |
   |-------------------------------------------+----------------|
   | 20-pin data cable connector-drive 0       |      CN2       |
   |-------------------------------------------+----------------|
   | 20-pin data cable connector-drive 1       |      CN3       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        BIOS ADDRESS                        |
   |------------------------------------------------------------|
   |    Address    | JP2/jumper 1 | JP2/jumper 2 | JP2/jumper 3 |
   |---------------+--------------+--------------+--------------|
   | BIOS Disabled |     open     |     open     |     open     |
   |---------------+--------------+--------------+--------------|
   |     C800h     |    closed    |     open     |     open     |
   |---------------+--------------+--------------+--------------|
   |     D000h     |    closed    |     open     |    closed    |
   |---------------+--------------+--------------+--------------|
   |     D800h     |    closed    |    closed    |     open     |
   |---------------+--------------+--------------+--------------|
   |     F400h     |    closed    |    closed    |    closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               MISCELLANEOUS TECHNICAL NOTES                |
   |------------------------------------------------------------|
   | The locations of JP2 and SW1 are slightly different on the |
   |                         DTC5150CI,                         |
   |                                                            |
   |    and JP1, is a factory test jumper, and should Not be    |
   |                          altered                           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |      DRIVE TYPE SWITCH SETTINGS FOR THE "BXD06" BIOS       |
   |------------------------------------------------------------|
   | |         Form         |Switch 1|Switch 2|Switch 5|Switch 6|
   |-+----------------------+--------+--------+--------+--------|
   | | Cap./Hds./Cyls./WPC  |Switch 3|Switch 4|Switch 7|Switch 8|
   |-+----------------------+--------+--------+--------+--------|
   |0| 35MB/ 8 / 512 / none |   on   |   on   |   on   |   on   |
   |-+----------------------+--------+--------+--------+--------|
   |1| 10MB/ 2 / 615 / none |  off   |   on   |   on   |   on   |
   |-+----------------------+--------+--------+--------+--------|
   |2| 20MB/ 4 / 612 / 128  |   on   |  off   |   on   |   on   |
   |-+----------------------+--------+--------+--------+--------|
   |3| 10MB/ 4 / 306 / none |  off   |  off   |   on   |   on   |
   |-+----------------------+--------+--------+--------+--------|
   |4| 5MB/ 2 / 306 / none  |   on   |   on   |  off   |   on   |
   |-+----------------------+--------+--------+--------+--------|
   |5| 26MB/8 / 375 / none  |  off   |   on   |  off   |   on   |
   |-+----------------------+--------+--------+--------+--------|
   |6| 20MB/ 8 / 306 / none |   on   |  off   |  off   |   on   |
   |-+----------------------+--------+--------+--------+--------|
   |7|     Reserved for     |  off   |  off   |  off   |   on   |
   | |     non-standard     |        |        |        |        |
   |-+----------------------+--------+--------+--------+--------|
   |8| 15MB/ 6 / 306 / none |   on   |   on   |   on   |  off   |
   |-+----------------------+--------+--------+--------+--------|
   |9| 27MB/ 6 / 512 / none |  off   |   on   |   on   |  off   |
   |-+----------------------+--------+--------+--------+--------|
   |A| 10MB/ 2 / 612 / none |   on   |  off   |   on   |  off   |
   |-+----------------------+--------+--------+--------+--------|
   |B| 22MB/ 4 / 640 / none |  off   |  off   |   on   |  off   |
   |-+----------------------+--------+--------+--------+--------|
   |C| 18MB/ 3 / 697 / none |   on   |   on   |  off   |  off   |
   |-+----------------------+--------+--------+--------+--------|
   |D| 30MB/ 5 / 697 / none |  off   |   on   |  off   |  off   |
   |-+----------------------+--------+--------+--------+--------|
   |E| 33MB/ 6 / 640 / none |   on   |  off   |  off   |  off   |
   |-+----------------------+--------+--------+--------+--------|
   |F|   Special Setting    |  off   |  off   |  off   |  off   |
   |------------------------------------------------------------|
   | Switches S1/1, 2, 5, and 6 set the Drive Type for Drive 2  |
   |                                                            |
   | Switches S1/3, 4, 7, and 8 set the Drive Type for Drive 1  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |      DRIVE TYPE SWITCH SETTINGS FOR THE "BXD07" BIOS       |
   |------------------------------------------------------------|
   | |         Form         |Switch 1|Switch 2|Switch 5|Switch 6|
   | | Cap./Hds./Cyls./WPC  |        |        |        |        |
   | |                      |Switch 3|Switch 4|Switch 7|Switch 8|
   |-+----------------------+--------+--------+--------+--------|
   |0| 20MB/ 4 / 612 / none |   on   |   on   |   on   |   on   |
   |-+----------------------+--------+--------+--------+--------|
   |1| 32MB/ 5 / 733 / none |  off   |   on   |   on   |   on   |
   |-+----------------------+--------+--------+--------+--------|
   |2| 20MB/ 4 / 612 / 128  |   on   |  off   |   on   |   on   |
   |-+----------------------+--------+--------+--------+--------|
   |3| 10MB/ 4 / 306 / none |  off   |  off   |   on   |   on   |
   |-+----------------------+--------+--------+--------+--------|
   |4| 43MB/ 5 / 987 / none |   on   |   on   |  off   |   on   |
   |-+----------------------+--------+--------+--------+--------|
   |5| 60MB/ 7 / 987 / none |  off   |   on   |  off   |   on   |
   |-+----------------------+--------+--------+--------+--------|
   |6| 20MB/ 8 / 306 / none |   on   |  off   |  off   |   on   |
   |-+----------------------+--------+--------+--------+--------|
   |7|     Reserved for     |  off   |  off   |  off   |   on   |
   | |     non-standard     |        |        |        |        |
   |-+----------------------+--------+--------+--------+--------|
   |8| 42MB/ 5 / 977 / none |   on   |   on   |   on   |  off   |
   |-+----------------------+--------+--------+--------+--------|
   |9| 42MB/ 6 / 820 / none |  off   |   on   |   on   |  off   |
   |-+----------------------+--------+--------+--------+--------|
   |A| 10MB/ 2 / 612 / none |   on   |  off   |   on   |  off   |
   |-+----------------------+--------+--------+--------+--------|
   |B| 62MB/ 7 / 1024 /none |  off   |  off   |   on   |  off   |
   |-+----------------------+--------+--------+--------+--------|
   |C| 71MB/ 8 / 1024 /none |   on   |   on   |  off   |  off   |
   |-+----------------------+--------+--------+--------+--------|
   |D| 80MB/ 9 / 1024 /none |  off   |   on   |  off   |  off   |
   |-+----------------------+--------+--------+--------+--------|
   |E| 33MB/ 6 / 640 / none |   on   |  off   |  off   |  off   |
   |-+----------------------+--------+--------+--------+--------|
   |F|   Special Setting    |  off   |  off   |  off   |  off   |
   +------------------------------------------------------------+