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

[Image]

                                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