URI: 
  TEXT View Source
       
       # UNIDENTIFIED
       
          WA3
       
          +------------------------------------------------------------+
          |------------------------------------------------------------|
          | Data bus:         | 16-bit, ISA                            |
          |-------------------+----------------------------------------|
          | Size:             | Three/quarter-length, full-height card |
          |-------------------+----------------------------------------|
          | Hard drive        | Two MFM ST506/412 drives               |
          | supported:        |                                        |
          |-------------------+----------------------------------------|
          | Floppy drives     | Two 360KB, 720KB, 1.2MB, or 1.44MB     |
          | supported:        | drives                                 |
          +------------------------------------------------------------+
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |                   Function                    |  Location  |
          |-----------------------------------------------+------------|
          | 4-pin connector - drive active LED            |    CN1     |
          |-----------------------------------------------+------------|
          | 20-pin data cable connector - drive 1         |    CN2     |
          |-----------------------------------------------+------------|
          | 20-pin data cable connector - drive 0         |    CN3     |
          |-----------------------------------------------+------------|
          | 34-pin control cable connector - hard drive   |    CN4     |
          |-----------------------------------------------+------------|
          | 34-pin control cable connector - floppy drive |    CN5     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Location |  Setting   |
          |------------------------------------+----------+------------|
          | » | 360rpm floppy drive supported  |   JP1    | Pins 1 & 2 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | 300rpm floppy drive supported  |   JP1    | Pins 2 & 3 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          | » | Hard drive port address is     |   JP2    | Pins 2 & 3 |
          |   | 1F0-1F7h                       |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | Hard drive port address is     |   JP2    | Pins 1 & 2 |
          |   | 170-177h                       |          |   closed   |
          |---+--------------------------------+----------+------------|
          | » | Floppy drive port address is   |   JP3    | Pins 2 & 3 |
          |   | 3F0-3F7h                       |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | Floppy drive port address is   |   JP3    | Pins 1 & 2 |
          |   | 370-377h                       |          |   closed   |
          +------------------------------------------------------------+