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       # UNIDENTIFIED
       
          AT MULTI I/O AI-2
       
          Card Type          Multi I/O card                              
          Chipset/Controller Unknown                                     
          I/O Options        Game port, parallel port, serial ports (2)  
          Maximum DRAM       N/A                                         
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |      Purpose      | Location |     Purpose      | Location |
          |-------------------+----------+------------------+----------|
          | Serial port 1     |   CN1    | Game port        |   CN3    |
          |-------------------+----------+------------------+----------|
          | Serial port 2     |   CN2    | Parallel port    |   CN4    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 SERIAL PORT CONFIGURATION                  |
          |------------------------------------------------------------|
          |   Port 1 (CN1)    | Port 2 (CN2)  |   SW1/1    |   SW1/2   |
          |-------------------+---------------+------------+-----------|
          | »   |    COM1     |     COM2      |    Off     |    Off    |
          |-----+-------------+---------------+------------+-----------|
          |     |    COM2     |     COM3      |     On     |    Off    |
          |-----+-------------+---------------+------------+-----------|
          |     |    COM3     |     COM4      |     On     |    On     |
          |-----+-------------+---------------+------------+-----------|
          |     |    COM3     |   Disabled    |    Off     |    On     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                SERIAL PORT INTERRUPT SELECT                |
          |------------------------------------------------------------|
          | Port 1 (CN1) |   Port 2    | SW2/3 | SW2/4 | SW2/5 | SW2/6 |
          |              |    (CN2)    |       |       |       |       |
          |--------------+-------------+-------+-------+-------+-------|
          | »   |  IRQ4  |    IRQ3     |  On   |  Off  |  Off  |  On   |
          |-----+--------+-------------+-------+-------+-------+-------|
          |     |  IRQ3  |    IRQ4     |  Off  |  On   |  On   |  Off  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                PARALLEL PORT CONFIGURATION                 |
          |------------------------------------------------------------|
          |             LPT             |            SW1/3             |
          |-----------------------------+------------------------------|
          |              1              |             Off              |
          |-----------------------------+------------------------------|
          |              2              |              On              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               PARALLEL PORT INTERRUPT SELECT               |
          |------------------------------------------------------------|
          |          IRQ           |      SW2/1      |      SW2/2      |
          |------------------------+-----------------+-----------------|
          | »   |       IRQ7       |       On        |       Off       |
          |-----+------------------+-----------------+-----------------|
          |     |       IRQ5       |       Off       |       On        |
          +------------------------------------------------------------+