(TXT) View Source
       
       # VIVA COMPUTER COMPANY
       
          DUAL SERIAL CARD
       
          Card Type          Serial                                      
          Chipset Controller Unidentified                                
          I/O Options        Serial port (2)                             
          Maximum Dram       N/A                                         
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |      Purpose      | Location |     Purpose      | Location |
          |-------------------+----------+------------------+----------|
          | 9-pin serial port |   CN1    | 10-pin serial    |   CN2    |
          |                   |          | port             |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    SERIAL PORT 1 SELECT                    |
          |------------------------------------------------------------|
          |   COM    |   JP1/A    |   JP1/B    |   JP1/C   |   JP1/D   |
          |----------+------------+------------+-----------+-----------|
          | » | COM1 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 &  | Pins 1 &  |
          |   |      |   closed   |    open    |  2 open   |  2 open   |
          |---+------+------------+------------+-----------+-----------|
          |   | COM2 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 &  | Pins 1 &  |
          |   |      |    open    |   closed   |  2 open   |  2 open   |
          |---+------+------------+------------+-----------+-----------|
          |   | COM3 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 &  | Pins 1 &  |
          |   |      |    open    |    open    | 2 closed  |  2 open   |
          |---+------+------------+------------+-----------+-----------|
          |   | COM4 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 &  | Pins 1 &  |
          |   |      |    open    |    open    |  2 open   | 2 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    SERIAL PORT 2 SELECT                    |
          |------------------------------------------------------------|
          |   COM    |   JP1/A    |   JP1/B    |   JP1/C   |   JP1/D   |
          |----------+------------+------------+-----------+-----------|
          | » | COM1 | Pins 2 & 3 | Pins 2 & 3 | Pins 2 &  | Pins 2 &  |
          |   |      |   closed   |    open    |  3 open   |  3 open   |
          |---+------+------------+------------+-----------+-----------|
          |   | COM2 | Pins 2 & 3 | Pins 2 & 3 | Pins 2 &  | Pins 2 &  |
          |   |      |    open    |   closed   |  3 open   |  3 open   |
          |---+------+------------+------------+-----------+-----------|
          |   | COM3 | Pins 2 & 3 | Pins 2 & 3 | Pins 2 &  | Pins 2 &  |
          |   |      |    open    |    open    | 3 closed  |  3 open   |
          |---+------+------------+------------+-----------+-----------|
          |   | COM4 | Pins 2 & 3 | Pins 2 & 3 | Pins 2 &  | Pins 2 &  |
          |   |      |    open    |    open    |  3 open   | 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    SERIAL PORT 1 SELECT                    |
          |------------------------------------------------------------|
          |            IRQ             |             JP2/A             |
          |----------------------------+-------------------------------|
          | » |          IRQ3          |        Pins 2 & 3 open        |
          |---+------------------------+-------------------------------|
          |   |          IRQ4          |       Pins 1 & 2 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    SERIAL PORT 2 SELECT                    |
          |------------------------------------------------------------|
          |            IRQ             |             JP2/B             |
          |----------------------------+-------------------------------|
          | » |          IRQ4          |       Pins 1 & 2 closed       |
          |---+------------------------+-------------------------------|
          |   |          IRQ3          |        Pins 2 & 3 open        |
          +------------------------------------------------------------+