LAVA COMPUTER MFG, INC.

LAVA DSERIAL

Card Type          Serial
Chipset Controller 16450/16550 UART
I/O Options        Serial port (2)
Maximum Dram       N/A

[Image]

                            CONNECTIONS

     Purpose         Location         Purpose         Location

  Serial port 1        CN1         Serial port 2         CN2

                  SERIAL PORT 1 CONFIGURATION

         COM                 JP1/A               JP1/B

        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 2 CONFIGURATION

         COM                 JP2/A               JP2/B

        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

        IRQ4          Pins 1 & 2 closed

        IRQ3          Pins 2 & 3 closed

      SERIAL PORT 2 INTERRUPT SELECT

       Setting               JP3

        IRQ3          Pins 3 & 4 closed

        IRQ4          Pins 4 & 5 closed