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LAVA 2SP-550

LAVA COMPUTER MFG, INC.

LAVA 2SP-550

Card Type

Multi I/O

Chipset Controller

16450/16550 UART

I/O Options

Parallel port, Serial ports (2)

Maximum Dram

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

25-pin Parallel port

CN1

Serial port 2 internal

CN3

Serial port 1

CN2

   

SERIAL PORT 1 CONFIGURATION

COM

JP1/B

JP1/A

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/B

JP2/A

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

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

Setting

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

IRQ4

All open

All open

Pins 1 & 2 closed

All open

IRQ3

All open

All open

All open

Pins 1 & 2 closed

SERIAL PORT 2 INTERRUPT SELECT

Setting

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

Setting

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

IRQ4

All open

All open

Pins 2 & 3 closed

All open

IRQ3

All open

All open

All open

Pins 2 & 3 closed

PARALLEL PORT SELECT

Port

JP11/A

LPT1

Pins 1 & 2 closed

LPT2

Pins 2 & 3 closed

PARALLEL PORT INTERRUPT SELECT

IRQ

JP11/B

IRQ5

Pins 1 & 2 closed

IRQ7

Pins 2 & 3 closed

PARALLEL PORT DIRECTION SELECT

Setting

JP12

Bi-Directional

Pins 1 & 2 closed

Uni-Drectional

Pins 2 & 3 closed