(TXT) View Source
       
       # COMPUADD, INC.
       
          HARDCACHE/SCSI
       
          +------------------------------------------------------------+
          +------------------------------------------------------------+
       
          Data bus: 16-bit, ISA
       
          Size: Full-length, full-height card
       
          Hard drives supported:  Two SCSI drives, up to 5 other SCSI
          devices
       
          Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |                 Function                 |    Location     |
          |------------------------------------------+-----------------|
          | 50-pin SCSI connector-external           |       CN1       |
          |------------------------------------------+-----------------|
          | 4-pin connector-drive active LED         |       J1        |
          |------------------------------------------+-----------------|
          | 34-pin data cable connector-floppy drive |       J2        |
          |------------------------------------------+-----------------|
          | 50-pin SCSI connector-internal           |       J3        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |            Function            |   Location   |  Setting   |
          |--------------------------------+--------------+------------|
          | » | Block Data Transfer mode   | SW1/switch 1 |     on     |
          |---+----------------------------+--------------+------------|
          |   | IRQ-Paced Data Transfer    | SW1/switch 1 |    off     |
          |   | mode                       |              |            |
          |---+----------------------------+--------------+------------|
          | » | Read config. sector on     | SW1/switch 2 |     on     |
          |   | drive 0                    |              |            |
          |---+----------------------------+--------------+------------|
          |   | Read config. data in       | SW1/switch 2 |    off     |
          |   | firmware                   |              |            |
          |---+----------------------------+--------------+------------|
          | » | Floppy drive address       | SW1/switch 3 |    off     |
          |   | 3F0-3F7h                   |              |            |
          |---+----------------------------+--------------+------------|
          |   | Floppy drive address       | SW1/switch 3 |     on     |
          |   | 370-377h                   |              |            |
          |---+----------------------------+--------------+------------|
          | » | Floppy drive enabled       | SW1/switch 4 |    off     |
          |---+----------------------------+--------------+------------|
          |   | Floppy drive disabled      | SW1/switch 4 |     on     |
          |---+----------------------------+--------------+------------|
          | » | Single-speed floppy drive  | SW1/switch 5 |    off     |
          |   | supported                  |              |            |
          |---+----------------------------+--------------+------------|
          |   | Dual-speed floppy drive    | SW1/switch 5 |     on     |
          |   | supported                  |              |            |
          |---+----------------------------+--------------+------------|
          | » | BIOS enabled               | SW1/switch 6 |     on     |
          |---+----------------------------+--------------+------------|
          |   | BIOS disabled              | SW1/switch 6 |    off     |
          |---+----------------------------+--------------+------------|
          | » | BIOS address C800-C9FFh    | SW2/switch 1 |    off     |
          |---+----------------------------+--------------+------------|
          |   | BIOS address CA00-CBFFh    | SW2/switch 1 |     on     |
          |---+----------------------------+--------------+------------|
          | » | Hard drive address         | SW2/switch 2 |    off     |
          |   | 1F0-1F7h                   |              |            |
          |---+----------------------------+--------------+------------|
          |   | Hard drive address         | SW2/switch 2 |     on     |
          |   | 170-177h                   |              |            |
          |---+----------------------------+--------------+------------|
          | » | 256KB SIMM's supported     | SW2/switch 6 |     on     |
          |---+----------------------------+--------------+------------|
          |   | 1MB SIMM's supported       | SW2/switch 6 |    off     |
          |---+----------------------------+--------------+------------|
          | » | Hard Drive Interrupt is    |      W1      | pins 1 & 2 |
          |   | IRQ14                      |              |   closed   |
          |---+----------------------------+--------------+------------|
          |   | Hard Drive Interrupt is    |      W1      | pins 2 & 3 |
          |   | IRQ10                      |              |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        SCSI ADDRESS                        |
          |------------------------------------------------------------|
          |  SCSI ID   | SW2/switch 3  | SW2/switch 4  | SW2/switch 5  |
          |------------+---------------+---------------+---------------|
          |    |   0   |      off      |      off      |      off      |
          |----+-------+---------------+---------------+---------------|
          |    |   1   |      off      |      off      |      on       |
          |----+-------+---------------+---------------+---------------|
          |    |   2   |      off      |      on       |      off      |
          |----+-------+---------------+---------------+---------------|
          |    |   3   |      off      |      on       |      on       |
          |----+-------+---------------+---------------+---------------|
          |    |   4   |      on       |      off      |      off      |
          |----+-------+---------------+---------------+---------------|
          |    |   5   |      on       |      off      |      on       |
          |----+-------+---------------+---------------+---------------|
          |    |   6   |      on       |      on       |      off      |
          |----+-------+---------------+---------------+---------------|
          | »  |   7   |      on       |      on       |      on       |
          +------------------------------------------------------------+