UNIDENTIFIED
============

   SNB-C037

   +------------------------------------------------------------+
   +------------------------------------------------------------+

   Data bus: 16-bit, ISA

   Size: Half-length, full-height card

   Hard drives supported:  Two IDE Interface (AT) drives

   Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB

<gopher://bitreich.org/I/th99/c/U-Z/20249-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                  Function                   |   Location   |
   |---------------------------------------------+--------------|
   | 4-pin connector-drive active LED            |     CN1      |
   |---------------------------------------------+--------------|
   | 34-pin control cable connector-floppy drive |     CN2      |
   |---------------------------------------------+--------------|
   | 40-pin IDE Interface (AT) connector         |     CN3      |
   |---------------------------------------------+--------------|
   | 9-pin serial port 1 (COM1/3/4)-internal     |     CN4      |
   |---------------------------------------------+--------------|
   | 9-pin serial port 2 (COM2/3/4)-internal     |     CN5      |
   |---------------------------------------------+--------------|
   | 15-pin game port-external                   |     CN6      |
   |---------------------------------------------+--------------|
   | 25-pin parallel port-external               |     CN7      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Location |  Setting   |
   |------------------------------------+----------+------------|
   |>> | Floppy drive enabled           |   JP1    |    open    |
   |---+--------------------------------+----------+------------|
   |   | Floppy drive disabled          |   JP1    |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Hard drive enabled             |   JP2    |    open    |
   |---+--------------------------------+----------+------------|
   |   | Hard drive disabled            |   JP2    |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | IRQ14 enabled without Active   |   JP3    | pins 2 & 3 |
   |   | control                        |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | IRQ14 enabled with Active      |   JP3    | pins 1 & 2 |
   |   | control                        |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Serial Port 1 (CN4) is set to  |   JP4    | pins 2 & 3 |
   |   | IRQ4 (COM1)                    |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Serial Port 1 (CN4) is set to  |   JP4    | pins 1 & 2 |
   |   | IRQ3 (COM4)                    |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Serial Port 2 (CN5) is set to  |   JP5    | pins 1 & 2 |
   |   | IRQ3 (COM2/4)                  |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Serial Port 2 (CN5) is set to  |   JP5    | pins 2 & 3 |
   |   | IRQ4 (COM3)                    |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Parallel Port (CN7) is set to  |   JP6    | pins 1 & 2 |
   |   | IRQ7 (LPT2)                    |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Parallel Port (CN7) is set to  |   JP6    | pins 2 & 3 |
   |   | IRQ5 (LPT3)                    |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | 16-bit data transfer with      |   JP8    | pins 1 & 2 |
   |   | buffer output                  |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | 16-bit data transfer without   |   JP8    | pins 2 & 3 |
   |   | buffer output                  |          |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT 2 (CN5) CONFIGURATION              |
   |------------------------------------------------------------|
   |          COM           |       S2        |       S4        |
   |------------------------+-----------------+-----------------|
   |>> |   COM2 (2F8-2FF)   |     closed      |      open       |
   |---+--------------------+-----------------+-----------------|
   |   |   COM3 (3E8-3EF)   |     closed      |     closed      |
   |---+--------------------+-----------------+-----------------|
   |   |   COM4 (2E8-2EF)   |      open       |     closed      |
   |---+--------------------+-----------------+-----------------|
   |   |      Disabled      |      open       |      open       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT 1 (CN4) CONFIGURATION              |
   |------------------------------------------------------------|
   |          COM           |       P2        |       S3        |
   |------------------------+-----------------+-----------------|
   |>> |   COM1 (3F8-3FF)   |     closed      |      open       |
   |---+--------------------+-----------------+-----------------|
   |   |   COM3 (3E8-3EF)   |      open       |     closed      |
   |---+--------------------+-----------------+-----------------|
   |   |   COM4 (2E8-2EF)   |     closed      |     closed      |
   |---+--------------------+-----------------+-----------------|
   |   |      Disabled      |      open       |      open       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             PARALLEL PORT (CN7) CONFIGURATION              |
   |------------------------------------------------------------|
   |          LPT           |       P1        |       S1        |
   |------------------------+-----------------+-----------------|
   |>> |   LPT2 (378-37F)   |     closed      |      open       |
   |---+--------------------+-----------------+-----------------|
   |   |   LPT3 (278-27F)   |      open       |     closed      |
   |---+--------------------+-----------------+-----------------|
   |   |      Disabled      |      open       |      open       |
   +------------------------------------------------------------+