SIIG, INC.

I/O EXTENSION-X.2

Card Type

Multi-I/O

Chip Set

Unidentified

I/O Options

Game port, parallel port, serial ports (2), clock/calendar

Data Bus

8-bit ISA

CONNECTIONS

Function

Label

Function

Label

Serial port 1

J1

Parallel port

J3

Serial port 2

J2

Game port

J4

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Parallel port IRQ is 7

JP3

Pins 3 & 4 closed

 

Parallel port IRQ is 5

JP3

Pins 1 & 2 closed

»

Parallel port address is 378h

SW1/3

Off

 

Parallel port address is 278h

SW1/3

On

»

Clock/calendar enabled

SW1/4

On

 

Clock/calendar disabled

SW1/4

Off

SERIAL PORT ADDRESSES

Port 1 Setting

Port 2 Setting

SW1/1

SW1/2

COM1: (3F8h)

COM2: (2F8h)

Off

On

COM2: (2F8h)

COM3: (3E8h)

On

Off

COM3: (3E8h)

COM4: (2E8h)

On

On

Disabled

Disabled

Off

Off

SERIAL PORT 1 INTERRUPT

Setting

JP1/A

JP1/B

JP1/C

JP1/D

 

IRQ2

Closed

Open

Open

Open

 

IRQ3

Open

Closed

Open

Open

»

IRQ4

Open

Open

Closed

Open

 

IRQ5

Open

Open

Open

Closed

SERIAL PORT 2 INTERRUPT

Setting

JP2/A

JP2/B

JP2/C

JP2/D

 

IRQ2

Closed

Open

Open

Open

 

IRQ3

Open

Closed

Open

Open

»

IRQ4

Open

Open

Closed

Open

 

IRQ5

Open

Open

Open

Closed

CLOCK/CALENDAR INTERRUPT

Setting

JP4

»

Disabled

Open

 

IRQ2

Pins 3 & 4 closed

 

IRQ5

Pins 1 & 2 closed