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       # UNIDENTIFIED
       
          SNB-C038
       
          +------------------------------------------------------------+
          +------------------------------------------------------------+
       
          Data bus: 16-bit, ISA
       
          Size: Half-length, half-height card
       
          Hard drives supported:  Two IDE Interface (AT) drives
       
          Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |                  Function                   |   Location   |
          |---------------------------------------------+--------------|
          | 25-pin parallel port-external               |      J1      |
          |---------------------------------------------+--------------|
          | 9-pin serial port 1 (COM1/3/4)-internal     |      J2      |
          |---------------------------------------------+--------------|
          | 9-pin serial port 2 (COM2/3/4)-external     |      J3      |
          |---------------------------------------------+--------------|
          | 34-pin control cable connector-floppy drive |      J4      |
          |---------------------------------------------+--------------|
          | 40-pin IDE Interface (AT) connector         |      J5      |
          |---------------------------------------------+--------------|
          | 4-pin connector-drive active LED            |      J6      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |          Function           | Location |      Setting      |
          |-----------------------------+----------+-------------------|
          | » | Floppy drive enabled    |   JP2    | pins 1 & 2 closed |
          |---+-------------------------+----------+-------------------|
          |   | Floppy drive disabled   |   JP2    |  pins 1 & 2 open  |
          |---+-------------------------+----------+-------------------|
          | » | Hard drive enabled      |   JP2    | pins 3 & 4 closed |
          |---+-------------------------+----------+-------------------|
          |   | Hard drive disabled     |   JP2    |  pins 3 & 4 open  |
          |---+-------------------------+----------+-------------------|
          | » | IOCHRDY signal enabled  |   JP2    | pins 5 & 6 closed |
          |---+-------------------------+----------+-------------------|
          |   | IOCHRDY signal disabled |   JP2    |  pins 5 & 6 open  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SERIAL PORT 1 (CN2) CONFIGURATION              |
          |------------------------------------------------------------|
          |          COM          |  JP1/pins 1 & 2  | JP1/pins 3 & 4  |
          |-----------------------+------------------+-----------------|
          | » |  COM1 (3F8-3FFh)  |      closed      |      open       |
          |---+-------------------+------------------+-----------------|
          |   |  COM3 (3E8-3EFh)  |       open       |     closed      |
          |---+-------------------+------------------+-----------------|
          |   |  COM4 (2E8-2EFh)  |      closed      |     closed      |
          |---+-------------------+------------------+-----------------|
          |   |     Disabled      |       open       |      open       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SERIAL PORT 2 (CN3) CONFIGURATION              |
          |------------------------------------------------------------|
          |          COM          |  JP1/pins 5 & 6  | JP1/pins 7 & 8  |
          |-----------------------+------------------+-----------------|
          | » |  COM2 (2F8-2FFh)  |      closed      |      open       |
          |---+-------------------+------------------+-----------------|
          |   |  COM4 (2E8-2EFh)  |       open       |     closed      |
          |---+-------------------+------------------+-----------------|
          |   |  COM3 (3E8-3EFh)  |      closed      |     closed      |
          |---+-------------------+------------------+-----------------|
          |   |     Disabled      |       open       |      open       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             PARALLEL PORT (CN1) CONFIGURATION              |
          |------------------------------------------------------------|
          |         LPT          | JP1/pins 9 & 10  | JP1/pins 11 & 12 |
          |----------------------+------------------+------------------|
          | » | LPT2 (378-37Fh)  |      closed      |       open       |
          |---+------------------+------------------+------------------|
          |   | LPT3 (278-27Fh)  |       open       |      closed      |
          |---+------------------+------------------+------------------|
          |   |     Disabled     |       open       |       open       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |           SERIAL PORT 1 (CN2) INTERRUPT REQUEST            |
          |------------------------------------------------------------|
          |       IRQ        |   JP3/pins 1 & 2   |   JP3/pins 3 & 4   |
          |------------------+--------------------+--------------------|
          | » |     IRQ4     |       closed       |        open        |
          |---+--------------+--------------------+--------------------|
          |   |     IRQ3     |        open        |       closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |           SERIAL PORT 2 (CN3) INTERRUPT REQUEST            |
          |------------------------------------------------------------|
          |       IRQ        |   JP3/pins 5 & 6   |   JP3/pins 7 & 8   |
          |------------------+--------------------+--------------------|
          | » |     IRQ3     |       closed       |        open        |
          |---+--------------+--------------------+--------------------|
          |   |     IRQ4     |        open        |       closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |           PARALLEL PORT (CN1) INTERRUPT REQUEST            |
          |------------------------------------------------------------|
          |       IRQ        |  JP3/pins 9 & 10   |  JP3/pins 11 & 12  |
          |------------------+--------------------+--------------------|
          | » |     IRQ7     |       closed       |        open        |
          |---+--------------+--------------------+--------------------|
          |   |     IRQ5     |        open        |       closed       |
          +------------------------------------------------------------+