(TXT) View Source
       
       # ADAPTEC, INC.
       
          ACB-2372B
       
          Data bus:                16-bit, ISA                           
          Size:                    Half-length, full-height card         
          Hard drives supported:   2 RLL ST506 drives                    
          Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB    
       
 (IMG) IMG 1
           
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |                 Function                  |    Location    |
          |-------------------------------------------+----------------|
          | 34-pin data cable connector-floppy drive  |       J1       |
          |-------------------------------------------+----------------|
          | 20-pin data cable connector-drive 1       |       J3       |
          |-------------------------------------------+----------------|
          | 20-pin data cable connector-drive 0       |       J4       |
          |-------------------------------------------+----------------|
          | 34-pin control cable connector-hard drive |       J5       |
          |-------------------------------------------+----------------|
          | 3-pin connector-drive active LED          |       J6       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |            Function             |  Location   |  Setting   |
          |---------------------------------+-------------+------------|
          | » | Hard drive address 1F0-1F7h |    J2- 1    |    open    |
          |---+-----------------------------+-------------+------------|
          |   | Hard drive address 170-177h |    J2- 1    |   closed   |
          |---+-----------------------------+-------------+------------|
          | » | Floppy drive address        |    J2- 2    |    open    |
          |   | 3F0-3F7h                    |             |            |
          |---+-----------------------------+-------------+------------|
          |   | Floppy drive address        |    J2- 2    |   closed   |
          |   | 370-377h                    |             |            |
          |---+-----------------------------+-------------+------------|
          | » | Zero wait state disabled    |    J2- 3    |    open    |
          |---+-----------------------------+-------------+------------|
          |   | Zero wait state enabled     |    J2- 3    |   closed   |
          |---+-----------------------------+-------------+------------|
          | » | 16msec step rate and        |    J2- 4    |    open    |
          |   | recalibrate to 0            |             |            |
          |---+-----------------------------+-------------+------------|
          |   | 35msec step rate and        |    J2- 4    |   closed   |
          |   | recalibrate to 0 minus 1    |             |            |
          |---+-----------------------------+-------------+------------|
          | » | Read ahead cache enabled    |    J2- 5    |    open    |
          |---+-----------------------------+-------------+------------|
          |   | Read ahead cache disabled   |    J2- 5    |   closed   |
          |---+-----------------------------+-------------+------------|
          | » | Not used                    |    J2-6     |    open    |
          |---+-----------------------------+-------------+------------|
          | » | Not used                    |    J2-7     |    open    |
          |---+-----------------------------+-------------+------------|
          | » | BIOS address C800h          |     J7      | pins 1 & 2 |
          |   |                             |             |   closed   |
          |---+-----------------------------+-------------+------------|
          |   | BIOS address CC00h          |     J7      | pins 2 & 3 |
          |   |                             |             |   closed   |
          |---+-----------------------------+-------------+------------|
          |   | BIOS address disabled       | J7/pin 2 to |   closed   |
          |   |                             |   top pin   |            |
          |---+-----------------------------+-------------+------------|
          | » | Hard drive Interrupt is     |     J13     | pins 1 & 2 |
          |   | IRQ14                       |             |   closed   |
          |---+-----------------------------+-------------+------------|
          |   | Hard drive Interrupt is     |     J13     | pins 2 & 3 |
          |   | IRQ15                       |             |   closed   |
          |---+-----------------------------+-------------+------------|
          | » | Floppy drive DMA Request is |     J20     | pins 1 & 2 |
          |   | DREQ2                       |             |   closed   |
          |---+-----------------------------+-------------+------------|
          |   | Floppy drive DMA Request is |     J20     | pins 2 & 3 |
          |   | DREQ3                       |             |   closed   |
          |---+-----------------------------+-------------+------------|
          | » | Floppy drive DMA            |     J21     | pins 1 & 2 |
          |   | Acknowledge Is DACK2        |             |   closed   |
          |---+-----------------------------+-------------+------------|
          |   | Floppy drive DMA            |     J21     | pins 2 & 3 |
          |   | Acknowledge is DACK3        |             |   closed   |
          |---+-----------------------------+-------------+------------|
          | » | Floppy drive Interrupt is   |     J22     | pins 1 & 2 |
          |   | IRQ6                        |             |   closed   |
          |---+-----------------------------+-------------+------------|
          |   | Floppy drive Interrupt is   |     J22     | pins 2 & 3 |
          |   | IRQ10                       |             |   closed   |
          +------------------------------------------------------------+