LAVA COMPUTER MFG, INC.

LAVA DSERIAL-DB9

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 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/A

JP2/B

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 1 INTERRUPT SELECT

IRQ

JP3

JP4

JP5

JP6

IRQ13

Pins 1 & 2 closed

All open

All open

All open

IRQ12

All open

Pins 1 & 2 closed

All open

All open

IRQ11

All open

All open

Pins 1 & 2 closed

All open

IRQ10

All open

All open

All open

Pins 1 & 2 closed

SERIAL PORT 1 INTERRUPT SELECT

IRQ

JP7

JP8

JP9

JP10

IRQ5

Pins 1 & 2 closed

All open

All open

All open

IRQ2

All open

Pins 1 & 2 closed

All open

All open

IRQ3

All open

All open

Pins 1 & 2 closed

All open

IRQ4

All open

All open

All open

Pins 1 & 2 closed

SERIAL PORT 2 INTERRUPT SELECT

IRQ

JP3

JP4

JP5

JP6

IRQ13

Pins 2 & 3 closed

All open

All open

All open

IRQ12

All open

Pins 2 & 3 closed

All open

All open

IRQ11

All open

All open

Pins 2 & 3 closed

All open

IRQ10

All open

All open

All open

Pins 2 & 3 closed

SERIAL PORT 2 INTERRUPT SELECT

IRQ

JP7

JP8

JP9

JP10

IRQ5

Pins 2 & 3 closed

All open

All open

All open

IRQ2

All open

Pins 2 & 3 closed

All open

All open

IRQ3

All open

All open

Pins 2 & 3 closed

All open

IRQ4

All open

All open

All open

Pins 2 & 3 closed