(TXT) View Source
       
       # AMERICAN MULTISOURCE
       
          AMS 1100SR4
       
          Data bus: 16-bit, ISA
       
          Size: Full-length, full-height card
       
          Hard drives supported:  Two RLL ST506/ST412 drive
       
          Floppy drives supported: Four 360KB, 720KB, 1.2MB, and 1.44MB
       
          Sector Interleave: 1:1
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |                    Function                     | Location |
          |-------------------------------------------------+----------|
          | 34-pin control cable connector-hard drive       |    J1    |
          |-------------------------------------------------+----------|
          | 20-pin data cable connector-drive 0             |    J2    |
          |-------------------------------------------------+----------|
          | 20-pin data cable connector-drive 1             |    J3    |
          |-------------------------------------------------+----------|
          | 34-pin data cable connector-floppy drives 1 & 2 |    J4    |
          |-------------------------------------------------+----------|
          | 4-pin connector-drive active LED                |    J5    |
          |-------------------------------------------------+----------|
          | 34-pin data cable connector-floppy drives 3 & 4 |    J6    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function               | Location  | Setting  |
          |-------------------------------------+-----------+----------|
          | » | Floppy drive address 3F0-3F7h   |    W3     |   open   |
          |---+---------------------------------+-----------+----------|
          |   | Floppy drive address 370-377h   |    W3     |  closed  |
          |---+---------------------------------+-----------+----------|
          | » | Hard drive address 1F0-1F7h     |    W4     |   open   |
          |---+---------------------------------+-----------+----------|
          |   | Hard drive address 170-177h     |    W4     |  closed  |
          |---+---------------------------------+-----------+----------|
          | » | Floppy drive disabled           |  W5 & W7  |   open   |
          |---+---------------------------------+-----------+----------|
          |   | Floppy drive enabled            |  W5 & W7  |  closed  |
          |---+---------------------------------+-----------+----------|
          | » | BIOS disabled                   |    W6     |   open   |
          |---+---------------------------------+-----------+----------|
          |   | BIOS enabled                    |    W6     |  closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        BIOS ADDRESS                        |
          |------------------------------------------------------------|
          |      Address       |        W8         |        W9         |
          |--------------------+-------------------+-------------------|
          |       C8000h       |      closed       |      closed       |
          |--------------------+-------------------+-------------------|
          |       CC000h       |      closed       |       open        |
          |--------------------+-------------------+-------------------|
          |       D0000h       |       open        |      closed       |
          |--------------------+-------------------+-------------------|
          |       D4000h       |       open        |       open        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  HARD DRIVE CONFIGURATION                  |
          |------------------------------------------------------------|
          |      Function      |        W1        |         W2         |
          |--------------------+------------------+--------------------|
          |      Enabled       |       open       | pins 1 & 2 closed  |
          |--------------------+------------------+--------------------|
          |      Disabled      |      closed      | pins 2 & 3 closed  |
          +------------------------------------------------------------+