(TXT) View Source
       
       # LAVA COMPUTER MFG, INC.
       
          LAVA 2SP-550
       
          Card Type          Multi I/O                                   
          Chipset Controller 16450/16550 UART                            
          I/O Options        Parallel port, Serial ports (2)             
          Maximum Dram       N/A                                         
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |     Purpose     | Location |      Purpose       | Location |
          |-----------------+----------+--------------------+----------|
          | 25-pin Parallel |   CN1    | Serial port 2      |   CN3    |
          | port            |          | internal           |          |
          |-----------------+----------+--------------------+----------|
          | Serial port 1   |   CN2    |                    |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                SERIAL PORT 1 CONFIGURATION                 |
          |------------------------------------------------------------|
          |       COM        |       JP1/B        |       JP1/A        |
          |------------------+--------------------+--------------------|
          |       COM1       | Pins 1 & 2 closed  |      All open      |
          |------------------+--------------------+--------------------|
          |       COM2       | Pins 2 & 3 closed  |      All open      |
          |------------------+--------------------+--------------------|
          |       COM3       |      All open      | Pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |       COM4       |      All open      | Pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                SERIAL PORT 2 CONFIGURATION                 |
          |------------------------------------------------------------|
          |      COM       |        JP2/B        |        JP2/A        |
          |----------------+---------------------+---------------------|
          |      COM1      |  Pins 2 & 3 closed  |      All open       |
          |----------------+---------------------+---------------------|
          |      COM2      |  Pins 1 & 2 closed  |      All open       |
          |----------------+---------------------+---------------------|
          |      COM3      |      All open       |  Pins 2 & 3 closed  |
          |----------------+---------------------+---------------------|
          |      COM4      |      All open       |  Pins 1 & 2 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               SERIAL PORT 1 INTERRUPT SELECT               |
          |------------------------------------------------------------|
          | Setting |    JP3     |    JP4     |    JP5     |    JP6    |
          |---------+------------+------------+------------+-----------|
          |  IRQ13  | Pins 1 & 2 |  All open  |  All open  | All open  |
          |         |   closed   |            |            |           |
          |---------+------------+------------+------------+-----------|
          |  IRQ12  |  All open  | Pins 1 & 2 |  All open  | All open  |
          |         |            |   closed   |            |           |
          |---------+------------+------------+------------+-----------|
          |  IRQ11  |  All open  |  All open  | Pins 1 & 2 | All open  |
          |         |            |            |   closed   |           |
          |---------+------------+------------+------------+-----------|
          |  IRQ10  |  All open  |  All open  |  All open  | Pins 1 &  |
          |         |            |            |            | 2 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               SERIAL PORT 1 INTERRUPT SELECT               |
          |------------------------------------------------------------|
          | Setting |    JP7     |    JP8     |    JP9     |   JP10    |
          |---------+------------+------------+------------+-----------|
          |  IRQ5   | Pins 1 & 2 |  All open  |  All open  | All open  |
          |         |   closed   |            |            |           |
          |---------+------------+------------+------------+-----------|
          |  IRQ2   |  All open  | Pins 1 & 2 |  All open  | All open  |
          |         |            |   closed   |            |           |
          |---------+------------+------------+------------+-----------|
          |  IRQ4   |  All open  |  All open  | Pins 1 & 2 | All open  |
          |         |            |            |   closed   |           |
          |---------+------------+------------+------------+-----------|
          |  IRQ3   |  All open  |  All open  |  All open  | Pins 1 &  |
          |         |            |            |            | 2 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               SERIAL PORT 2 INTERRUPT SELECT               |
          |------------------------------------------------------------|
          | Setting |    JP3     |    JP4     |    JP5     |    JP6    |
          |---------+------------+------------+------------+-----------|
          |  IRQ13  | Pins 2 & 3 |  All open  |  All open  | All open  |
          |         |   closed   |            |            |           |
          |---------+------------+------------+------------+-----------|
          |  IRQ12  |  All open  | Pins 2 & 3 |  All open  | All open  |
          |         |            |   closed   |            |           |
          |---------+------------+------------+------------+-----------|
          |  IRQ11  |  All open  |  All open  | Pins 2 & 3 | All open  |
          |         |            |            |   closed   |           |
          |---------+------------+------------+------------+-----------|
          |  IRQ10  |  All open  |  All open  |  All open  | Pins 2 &  |
          |         |            |            |            | 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               SERIAL PORT 2 INTERRUPT SELECT               |
          |------------------------------------------------------------|
          | Setting |    JP7     |    JP8     |    JP9     |   JP10    |
          |---------+------------+------------+------------+-----------|
          |  IRQ5   | Pins 2 & 3 |  All open  |  All open  | All open  |
          |         |   closed   |            |            |           |
          |---------+------------+------------+------------+-----------|
          |  IRQ2   |  All open  | Pins 2 & 3 |  All open  | All open  |
          |         |            |   closed   |            |           |
          |---------+------------+------------+------------+-----------|
          |  IRQ4   |  All open  |  All open  | Pins 2 & 3 | All open  |
          |         |            |            |   closed   |           |
          |---------+------------+------------+------------+-----------|
          |  IRQ3   |  All open  |  All open  |  All open  | Pins 2 &  |
          |         |            |            |            | 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    PARALLEL PORT SELECT                    |
          |------------------------------------------------------------|
          |            Port            |            JP11/A             |
          |----------------------------+-------------------------------|
          |            LPT1            |       Pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |            LPT2            |       Pins 2 & 3 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               PARALLEL PORT INTERRUPT SELECT               |
          |------------------------------------------------------------|
          |            IRQ             |            JP11/B             |
          |----------------------------+-------------------------------|
          |            IRQ5            |       Pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |            IRQ7            |       Pins 2 & 3 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               PARALLEL PORT DIRECTION SELECT               |
          |------------------------------------------------------------|
          |          Setting           |             JP12              |
          |----------------------------+-------------------------------|
          |       Bi-Directional       |       Pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |       Uni-Drectional       |       Pins 2 & 3 closed       |
          +------------------------------------------------------------+