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

   DTC3150

   Data bus: 8-bit, ISA

   Size: Half-length, full-height card

   Hard drives supported:  Up to seven SCSI devices

   Floppy drives supported: None

<gopher://bitreich.org/I/th99/c/C-D/20056-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                Function                 |     Location     |
   |-----------------------------------------+------------------|
   | 50-pin SCSI connector-internal          |        J1        |
   |-----------------------------------------+------------------|
   | 50-pin SCSI connector-external          |        J2        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        SCSI ADDRESS                        |
   |------------------------------------------------------------|
   |  SCSI ID   |  W1/jumper 1  |  W1/jumper 2  |  W1/jumper 3  |
   |------------+---------------+---------------+---------------|
   |    |   0   |    closed     |    closed     |    closed     |
   |----+-------+---------------+---------------+---------------|
   |    |   1   |    closed     |    closed     |     open      |
   |----+-------+---------------+---------------+---------------|
   |    |   2   |    closed     |     open      |    closed     |
   |----+-------+---------------+---------------+---------------|
   |    |   3   |    closed     |     open      |     open      |
   |----+-------+---------------+---------------+---------------|
   |    |   4   |     open      |    closed     |    closed     |
   |----+-------+---------------+---------------+---------------|
   |    |   5   |     open      |    closed     |     open      |
   |----+-------+---------------+---------------+---------------|
   |    |   6   |     open      |     open      |    closed     |
   |----+-------+---------------+---------------+---------------|
   |>>  |   7   |     open      |     open      |     open      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |            Function             |  Location   |  Setting   |
   |---------------------------------+-------------+------------|
   |>> | SCSI parity check enabled   | W1/jumper 4 |   closed   |
   |---+-----------------------------+-------------+------------|
   |   | SCSI parity check disabled  | W1/jumper 4 |    open    |
   |---+-----------------------------+-------------+------------|
   |>> | Normal operation mode       | W1/jumper 5 |    open    |
   |---+-----------------------------+-------------+------------|
   |   | Factory diagnostics enabled | W1/jumper 5 |   closed   |
   |---+-----------------------------+-------------+------------|
   |>> | Interrupt disabled (for use | W2/jumper 1 |    open    |
   |   | in DOS environment)         |             |            |
   |---+-----------------------------+-------------+------------|
   |   | Interrupt enabled           | W2/jumper 1 |   closed   |
   |---+-----------------------------+-------------+------------|
   |>> | IRQ7 (reported to the host  | W2/jumper 7 |   closed   |
   |   | at Inquiry Command)         |             |            |
   |---+-----------------------------+-------------+------------|
   |   | IRQ2 (reported to the host  | W2/jumper 2 |   closed   |
   |   | at Inquiry Command)         |             |            |
   |---+-----------------------------+-------------+------------|
   |   | IRQ3 (reported to the host  | W2/jumper 3 |   closed   |
   |   | at Inquiry Command)         |             |            |
   |---+-----------------------------+-------------+------------|
   |   | IRQ4 (reported to the host  | W2/jumper 4 |   closed   |
   |   | at Inquiry Command)         |             |            |
   |---+-----------------------------+-------------+------------|
   |   | IRQ5 (reported to the host  | W2/jumper 5 |   closed   |
   |   | at Inquiry Command)         |             |            |
   |---+-----------------------------+-------------+------------|
   |   | IRQ6 (reported to the host  | W2/jumper 6 |   closed   |
   |   | at Inquiry Command)         |             |            |
   |---+-----------------------------+-------------+------------|
   |>> | Normal operation mode       | W2/jumper 8 |    open    |
   |---+-----------------------------+-------------+------------|
   |   | Factory diagnostics enabled | W2/jumper 8 |   closed   |
   |---+-----------------------------+-------------+------------|
   |>> | Factory configured - do not |     W4      | pins 2 & 3 |
   |   | alter                       |             |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     INTERRUPT REQUEST                      |
   |------------------------------------------------------------|
   |      IRQ       | W1/jumper 6  | W1/jumper 7  | W1/jumper 8 |
   |----------------+--------------+--------------+-------------|
   |   | undefined  |    closed    |    closed    |   closed    |
   |---+------------+--------------+--------------+-------------|
   |   | undefined  |    closed    |    closed    |    open     |
   |---+------------+--------------+--------------+-------------|
   |   |    IRQ2    |    closed    |     open     |   closed    |
   |---+------------+--------------+--------------+-------------|
   |   |    IRQ3    |    closed    |     open     |    open     |
   |---+------------+--------------+--------------+-------------|
   |   |    IRQ4    |     open     |    closed    |   closed    |
   |---+------------+--------------+--------------+-------------|
   |   |    IRQ5    |     open     |    closed    |    open     |
   |---+------------+--------------+--------------+-------------|
   |   |    IRQ6    |     open     |     open     |   closed    |
   |---+------------+--------------+--------------+-------------|
   |>> |    IRQ7    |     open     |     open     |    open     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        BIOS ADDRESS                        |
   |------------------------------------------------------------|
   |  Address   |  W3/jumper 1  |  W3/jumper 2  |  W3/jumper 3  |
   |------------+---------------+---------------+---------------|
   |   D400h    |    closed     |    closed     |    closed     |
   |------------+---------------+---------------+---------------|
   |   D000h    |    closed     |    closed     |     open      |
   |------------+---------------+---------------+---------------|
   |   CC00h    |    closed     |     open      |    closed     |
   |------------+---------------+---------------+---------------|
   |   C800h    |    closed     |     open      |     open      |
   |------------+---------------+---------------+---------------|
   |   E400h    |     open      |    closed     |    closed     |
   |------------+---------------+---------------+---------------|
   |   E000h    |     open      |    closed     |     open      |
   |------------+---------------+---------------+---------------|
   |   DC00h    |     open      |     open      |    closed     |
   |------------+---------------+---------------+---------------|
   |   D800h    |     open      |     open      |     open      |
   +------------------------------------------------------------+