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LAVA COMPUTER MFG, INC.

LAVA DSERIAL

Card Type

Serial

Chipset Controller

16450/16550 UART

I/O Options

Serial port (2)

Maximum Dram

N/A

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