URI: 
  TEXT View Source
       
       # ADAPTEC, INC.
       
          ACB-2370B
       
          Data bus:                16-bit, ISA                           
          Size:                    Half-length, full-height card         
          Hard drives supported:   Two RLL ST506 drives                  
          Floppy drives supported: None                                  
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |                 Function                  |    Location    |
          |-------------------------------------------+----------------|
          | 20-pin data cable connector-drive 1       |       J1       |
          |-------------------------------------------+----------------|
          | 20-pin data cable connector-drive 0       |       J2       |
          |-------------------------------------------+----------------|
          | 34-pin control cable connector-hard drive |       J3       |
          |-------------------------------------------+----------------|
          | 3-pin connector-drive active LED          |       J5       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Location |  Setting   |
          |------------------------------------+----------+------------|
          | » | Hard drive port address        |  J6 - 1  |    open    |
          |   | 1F0-1F7h                       |          |            |
          |---+--------------------------------+----------+------------|
          |   | Hard drive port address        |  J6 - 1  |   closed   |
          |   | 170-177h                       |          |            |
          |---+--------------------------------+----------+------------|
          | » | Not used                       |  J6 - 2  |    open    |
          |---+--------------------------------+----------+------------|
          | » | Zero wait state disabled       |  J6 - 3  |    open    |
          |---+--------------------------------+----------+------------|
          |   | Zero wait state enabled        |  J6 - 3  |   closed   |
          |---+--------------------------------+----------+------------|
          | » | Step rate is 16 mseconds and   |  J6 - 4  |    open    |
          |   | recalibrate to 0               |          |            |
          |---+--------------------------------+----------+------------|
          |   | Step rate is 35msec. and       |  J6 - 4  |   closed   |
          |   | recalibrate to 0 minus 1       |          |            |
          |---+--------------------------------+----------+------------|
          | » | Read ahead cache enabled       |  J6 - 5  |    open    |
          |---+--------------------------------+----------+------------|
          |   | Read ahead cache disable       |  J6 - 5  |   closed   |
          |---+--------------------------------+----------+------------|
          | » | Not used                       |  J6 - 6  |    open    |
          |---+--------------------------------+----------+------------|
          | » | Not used                       |  J6 - 7  |    open    |
          |---+--------------------------------+----------+------------|
          | » | Hard drive Interrupt is IRQ14  |   J13    | pins 1 & 2 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | Hard drive Interrupt is IRQ15  |   J13    | pins 2 & 3 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          | » | Not used                       |   J13    | pins 3 & 4 |
          |   |                                |          |    open    |
          |---+--------------------------------+----------+------------|
          | » | BIOS address C800h             |   J14    | pins 1 & 2 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | BIOS address CC00h             |   J14    | pins 2 & 3 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | BIOS disabled                  |   J14    |    open    |
          +------------------------------------------------------------+