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       # UNIDENTIFIED
       
          AT BUS + 2S/1P
       
          +------------------------------------------------------------+
          |------------------------------------------------------------|
          | Data bus:         | 16-bit, ISA                            |
          |-------------------+----------------------------------------|
          | Size:             | Half-length, full-height card          |
          |-------------------+----------------------------------------|
          | Hard drive        | Two IDE (AT) Interface drives          |
          | supported:        |                                        |
          |-------------------+----------------------------------------|
          | Floppy drives     | Two 360KB, 720KB, 1.2MB, or 1.44MB     |
          | supported:        | drives                                 |
          +------------------------------------------------------------+
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |                   Function                    |  Location  |
          |-----------------------------------------------+------------|
          | 40-pin IDE(AT) Interface connector            |     J1     |
          |-----------------------------------------------+------------|
          | 34-pin control cable connector - floppy drive |     J2     |
          |-----------------------------------------------+------------|
          | 4-pin connector - Drive active LED            |     J5     |
          |-----------------------------------------------+------------|
          | 10-pin serial port (COM2/4) - internal        |     J9     |
          |-----------------------------------------------+------------|
          | 10-pin serial port (COM1/3) - external        |    J10     |
          |-----------------------------------------------+------------|
          | 25-pin parallel port (LPT1/2) - external      |    J12     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |            Function            |   Location   |  Setting   |
          |--------------------------------+--------------+------------|
          | » | Single speed floppy drives |      J3      | pins 1 & 2 |
          |   | supported                  |              |   closed   |
          |---+----------------------------+--------------+------------|
          |   | Dual speed floppy drives   |      J3      | pins 2 & 3 |
          |   | supported                  |              |   closed   |
          |---+----------------------------+--------------+------------|
          | » | Floppy drive               |      J4      | pins 2 & 3 |
          |   | precompensation enabled    |              |   closed   |
          |---+----------------------------+--------------+------------|
          |   | Floppy drive               |      J4      | pins 1 & 2 |
          |   | precompensation disabled   |              |   closed   |
          |---+----------------------------+--------------+------------|
          | » | Chasis ground enabled      |     J11      |   closed   |
          |---+----------------------------+--------------+------------|
          |   | Chasis ground disabled     |     J11      |    open    |
          |---+----------------------------+--------------+------------|
          | » | Serial Port 2 (J9)         | J13/jumper 3 |   closed   |
          |   | Interrupt Request IRQ3     |              |            |
          |   | enabled                    |              |            |
          |---+----------------------------+--------------+------------|
          |   | Serial Port 2 (J9)         | J13/jumper 3 |    open    |
          |   | Interrupt Request IRQ3     |              |            |
          |   | disabled                   |              |            |
          |---+----------------------------+--------------+------------|
          | » | Serial Port 1 (J10)        | J13/jumper 4 |   closed   |
          |   | Interrupt Request IRQ4     |              |            |
          |   | enabled                    |              |            |
          |---+----------------------------+--------------+------------|
          |   | Serial Port 1 (J10)        | J13/jumper 4 |    open    |
          |   | Interrupt Request IRQ4     |              |            |
          |   | disabled                   |              |            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIOS TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |            Type            |  J6/jumper 1  |  J6/jumper 2  |
          |----------------------------+---------------+---------------|
          | » |  IBM-compatible BIOS   |     open      |    closed     |
          |---+------------------------+---------------+---------------|
          |   |        IBM BIOS        |    closed     |     open      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SERIAL PORT 1 (J10) CONFIGURATION              |
          |------------------------------------------------------------|
          |          COM           |   J7/jumper 1   |   J7/jumper 3   |
          |------------------------+-----------------+-----------------|
          | » |         1          |     closed      |      open       |
          |---+--------------------+-----------------+-----------------|
          |   |         3          |      open       |     closed      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              SERIAL PORT 2 (J9) CONFIGURATION              |
          |------------------------------------------------------------|
          |          COM           |   J7/jumper 2   |   J7/jumper 4   |
          |------------------------+-----------------+-----------------|
          | » |         2          |     closed      |      open       |
          |---+--------------------+-----------------+-----------------|
          |   |         4          |      open       |     closed      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             PARALLEL PORT (J12) CONFIGURATION              |
          |------------------------------------------------------------|
          |          LPT           |   J7/jumper 5   |   J7/jumper 6   |
          |------------------------+-----------------+-----------------|
          | » |         1          |      open       |     closed      |
          |---+--------------------+-----------------+-----------------|
          |   |         2          |     closed      |      open       |
          |---+--------------------+-----------------+-----------------|
          |   |      Disabled      |      open       |      open       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 FLOPPY DRIVE CONFIGURATION                 |
          |------------------------------------------------------------|
          |            Function            | J8/jumper 1 | J8/jumper 2 |
          |--------------------------------+-------------+-------------|
          | » | Floppy drive port address  |   closed    |    open     |
          |   | is 3F0-3F7h                |             |             |
          |---+----------------------------+-------------+-------------|
          |   | Floppy drive port address  |    open     |   closed    |
          |   | is 370-377h                |             |             |
          |---+----------------------------+-------------+-------------|
          |   | Floppy drive disabled      |    open     |    open     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |           PARALLEL PORT (J12) INTERRUPT REQUEST            |
          |------------------------------------------------------------|
          |          IRQ           |  J13/jumper 1   |  J13/jumper 2   |
          |------------------------+-----------------+-----------------|
          |    |         5         |     closed      |      open       |
          |----+-------------------+-----------------+-----------------|
          | »  |         7         |      open       |     closed      |
          +------------------------------------------------------------+