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       # UNIDENTIFIED
       
          8303 SPHF
       
          +------------------------------------------------------------+
          |------------------------------------------------------------|
          | Data bus:         | 16-bit, ISA                            |
          |-------------------+----------------------------------------|
          | Size:             | Half-lenght, 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 |
          |-------------------------------------------------+----------|
          | 34-pin control cable connector - floppy drive   |    J1    |
          |-------------------------------------------------+----------|
          | 40-pin IDE (AT) Interface control cable         |    J2    |
          | connector-internal                              |          |
          |-------------------------------------------------+----------|
          | 9-pin serial port 2 - internal                  |    J3    |
          |-------------------------------------------------+----------|
          | 4-pin connector - drive active LED              |    J4    |
          |-------------------------------------------------+----------|
          | 9-pin serial port 1 - external                  |    J5    |
          |-------------------------------------------------+----------|
          | 25-pin parallel port - external                 |    J6    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Location |  Setting   |
          |------------------------------------+----------+------------|
          | » | Floppy drive enabled           |  SW1/8   |     On     |
          |---+--------------------------------+----------+------------|
          |   | Floppy drive disabled          |  SW1/8   |    Off     |
          |---+--------------------------------+----------+------------|
          | » | Hard drive enabled             |  SW1/9   |     On     |
          |---+--------------------------------+----------+------------|
          |   | Hard drive disabled            |  SW1/9   |    Off     |
          |---+--------------------------------+----------+------------|
          | » | Factory configured setting -   |  SW1/10  |    Off     |
          |   | do not alter                   |          |            |
          |---+--------------------------------+----------+------------|
          | » | Factory configured setting -   |   JP1    | pins 1 & 2 |
          |   | do not alter                   |          |   closed   |
          |---+--------------------------------+----------+------------|
          | » | Factory configured setting -   |   JP2    | pins 2 & 3 |
          |   | do not alter                   |          |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Location |  Setting   |
          |------------------------------------+----------+------------|
          | » | Clock speed <= 12MHz           |   JP3    | pins 2 & 3 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | Clock speed > 12 Mhz           |   JP3    | pins 1 & 2 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          | » | I/O address ranges = 1F0h-1F7h |   JP4    | pins 1 & 2 |
          |   | and 3F6h-3F7h                  |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | I/O address ranges = 170h-177h |   JP4    | pins 2 & 3 |
          |   | and 376h-377h                  |          |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 SERIAL PORT CONFIGURATION                  |
          |------------------------------------------------------------|
          |     Port 1      |   Port 2   |  SW1/1  |  SW1/2  |  SW1/3  |
          |-----------------+------------+---------+---------+---------|
          | » |    COM1     |    COM2    |   Off   |   Off   |   Off   |
          |---+-------------+------------+---------+---------+---------|
          |   |    COM2     |    COM1    |   On    |   On    |   Off   |
          |---+-------------+------------+---------+---------+---------|
          |   |  Disabled   |  Disabled  |   N/A   |   On    |   On    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                PARALLEL PORT CONFIGURATION                 |
          |------------------------------------------------------------|
          |     Setting     |  SW1/4   |  SW1/5   |  SW1/6   |  SW1/7  |
          |-----------------+----------+----------+----------+---------|
          | » |    LPT1     |   Off    |   Off    |   Off    |   On    |
          |---+-------------+----------+----------+----------+---------|
          |   |    LPT2     |   Off    |    On    |    On    |   Off   |
          |---+-------------+----------+----------+----------+---------|
          |   |  Disabled   |    On    |   N/A    |   N/A    |   N/A   |
          +------------------------------------------------------------+