ADVANCED DIGITAL INFORMATION CORPORATION
========================================

   DISK CO-PROCESSOR BOARD

    Data bus:                 16-bit, ISA                         

    Size:                     Full-length, full-height card       

    Hard drive supported:     Up to 15 SCSI devices               

    Floppy drives supported:  N/A                                 

<gopher://bitreich.org/I/th99/c/A-B/20687-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                 Function                 |    Location     |
   |------------------------------------------+-----------------|
   | 37-pin SCSI connector - external         |       CN1       |
   |------------------------------------------+-----------------|
   | 50-pin SCSI connector - internal         |       CN2       |
   |------------------------------------------+-----------------|
   | UPS monitor connector                    |       CN3       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |        PAL/CHANNELS/ADDRESS/INTERRUPT CONFIGURATION        |
   |------------------------------------------------------------|
   |Channel| PAL U3.11 | PAL U4.11 |I/O Address|   UPS    | IRQ |
   |       |           |           |           | Address  |     |
   |-------+-----------+-----------+-----------+----------+-----|
   |   1   |814-198-001|814-197-001|   340h    |   346h   |IRQ11|
   |-------+-----------+-----------+-----------+----------+-----|
   |   1   |31-1020-01 |31-1022-01 |   340h    |   346h   |IRQ11|
   |-------+-----------+-----------+-----------+----------+-----|
   |   2   |814-198-001|814-197-002|   348h    |   34Eh   |IRQ12|
   |-------+-----------+-----------+-----------+----------+-----|
   |   2   |31-1020-01 |31-2043-01 |   348h    |   34Eh   |IRQ12|
   |-------+-----------+-----------+-----------+----------+-----|
   |   3   |814-198-002|814-197-001|   320h    |   326h   |IRQ10|
   |-------+-----------+-----------+-----------+----------+-----|
   |   3   |31-2044-01 |31-1022-01 |   320h    |   326h   |IRQ10|
   |-------+-----------+-----------+-----------+----------+-----|
   |   4   |814-198-002|814-197-002|   328h    |   32Eh   |IRQ15|
   |-------+-----------+-----------+-----------+----------+-----|
   |   4   |31-2044-01 |31-2043-01 |   328h    |   32Eh   |IRQ15|
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |         PAL/CHANNELS/ADDRESS/JUMPER CONFIGURATION          |
   |------------------------------------------------------------|
   |Channel | S1  | S5/A | S5/B | S5/C | S5/D |S11/A|S11/B|S11/C|
   |--------+-----+------+------+------+------+-----+-----+-----|
   |   1    |2 & 3| open | open | open |closed|2 & 3|2 & 3|2 & 3|
   |--------+-----+------+------+------+------+-----+-----+-----|
   |   2    |2 & 3|closed| open | open | open |2 & 3|1 & 2|1 & 2|
   |--------+-----+------+------+------+------+-----+-----+-----|
   |   3    |2 & 3| open |closed| open | open |2 & 3|1 & 2|2 & 3|
   |--------+-----+------+------+------+------+-----+-----+-----|
   |   4    |2 & 3| open | open |closed| open |2 & 3|2 & 3|1 & 2|
   |------------------------------------------------------------|
   |Note: Pin numbers designated are in the closed position.    |
   +------------------------------------------------------------+