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

   286 AT I/O II CARD

   Card Type          Multi I/O card                              
   Chipset/Controller Unknown                                     
   I/O Options        Game port, parallel port, serial ports (2)  
   Maximum DRAM       N/A                                         

<gopher://bitreich.org/I/th99/i/U-Z/50233-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Purpose      | Location |     Purpose      | Location |
   |-------------------+----------+------------------+----------|
   | Game port         |   CN1    | Serial port 1    |   CN3    |
   |-------------------+----------+------------------+----------|
   | Serial port 2     |   CN2    | Parallel port    |   CN4    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT ADDRESS CONFIGURATION              |
   |------------------------------------------------------------|
   | Port 1 (CN3) | Port 2 (CN2) |      JP1/A      |   JP1/B    |
   |--------------+--------------+-----------------+------------|
   |     COM1     |     COM2     |   Pins 2 & 3    | Pins 1 & 2 |
   |              |              |     closed      |   closed   |
   |--------------+--------------+-----------------+------------|
   |     COM2     |     COM1     |   Pins 1 & 2    | Pins 2 & 3 |
   |              |              |     closed      |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT INTERRUPT SELECTION               |
   |------------------------------------------------------------|
   | Port 1 (CN3) | Port 2 (CN2) |      JP2/A      |   JP2/B    |
   |--------------+--------------+-----------------+------------|
   |     IRQ4     |     IRQ3     |   Pins 1 & 2    | Pins 2 & 3 |
   |              |              |     closed      |   closed   |
   |--------------+--------------+-----------------+------------|
   |     IRQ3     |     IRQ4     |   Pins 2 & 3    | Pins 1 & 2 |
   |              |              |     closed      |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             PARALLEL PORT INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |    IRQ     |      JP3      |     JP5/A     |     JP5/B     |
   |------------+---------------+---------------+---------------|
   |     7      |     Open      |     Open      |    Closed     |
   |------------+---------------+---------------+---------------|
   |     5      |    Closed     |    Closed     |     Open      |
   |------------------------------------------------------------|
   | Note: For XT compatible models, both of the above settings |
   | yield a setting of IRQ7.                                   |
   +------------------------------------------------------------+