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

   MP456G

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

<gopher://bitreich.org/I/th99/i/U-Z/50269-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |       Purpose        | Location |    Purpose    | Location |
   |----------------------+----------+---------------+----------|
   | Parallel port        |    J2    | Serial port 2 |    J4    |
   |                      |          | (COM2/4)      |          |
   |----------------------+----------+---------------+----------|
   | Serial port 1        |    J3    | Game port     |    J5    |
   | (COM1/3)             |          |               |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 1 CONFIGURATION                 |
   |------------------------------------------------------------|
   |       COM       |        J6         |          J7          |
   |-----------------+-------------------+----------------------|
   |>> | COM1 (3F8h) | Pins 1 & 2 closed |  Pins 1 & 2, 4 & 5   |
   |   |             |                   |        closed        |
   |---+-------------+-------------------+----------------------|
   |   | COM3 (3E8h) | Pins 1 & 2 closed |  Pins 2 & 3, 4 & 5   |
   |   |             |                   |        closed        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 2 CONFIGURATION                 |
   |------------------------------------------------------------|
   |       COM       |        J6         |          J7          |
   |-----------------+-------------------+----------------------|
   |>> | COM2 (2F8h) | Pins 5 & 6 closed |   Pins 7&8, 10&11    |
   |   |             |                   |        closed        |
   |---+-------------+-------------------+----------------------|
   |   | COM4 (2E8h) | Pins 5 & 6 closed |   Pins 8&9, 10&11    |
   |   |             |                   |        closed        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |     LPT1     |   LPT2   |      J6      |        J7         |
   |--------------+----------+--------------+-------------------|
   |>> | Enabled  | Disabled | Pins 14 & 15 | Pins 13 & 14, 16  |
   |   |          |          |    closed    |    & 17 closed    |
   |---+----------+----------+--------------+-------------------|
   |   | Disabled | Enabled  | Pins 14 & 15 | Pins 14 & 15, 16  |
   |   |          |          |    closed    |    & 17 closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  GAME PORT CONFIGURATION                   |
   |------------------------------------------------------------|
   |          Setting           |              J7               |
   |----------------------------+-------------------------------|
   |>> |        Enabled         |      Pins 19 & 20 closed      |
   |---+------------------------+-------------------------------|
   |   |        DIsabled        |      Pins 20 & 21 closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               MISCELLANEOUS TECHNICAL NOTES                |
   |------------------------------------------------------------|
   | Serial port 1 uses IRQ4, serial port 2 uses IRQ3, parallel |
   |                       port uses IRQ7                       |
   +------------------------------------------------------------+