PIO-III IO card Settings and Configuration

Card Type

Multi-I/O

Chipset/Controller

Unidentified

I/O Options

Game port, Parallel port, Serial ports (2)

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

Game port

CN1

Serial port 2

CN4

Parallel port

CN2

Control cable connector - floppy drive

CN4

Serial port 1

CN3

CLOCK ADDRESS

Address

JP3

» 240h

Pins 2 & 3 closed

340h

Pins 1 & 2 closed

CLOCK INTERRUPT

Setting

JP6

» Enabled

Pins 1 & 2 closed

Disabled

Pins 2 & 3 closed

SERIAL PORTS 1 & 2 INTERRUPT SELECT

Port 1

Port 2

JP7

JP8

» IRQ4

IRQ3

Pins 1 & 2 closed

Pins 2 & 3 closed

IRQ3

IRQ4

Pins 2 & 3 closed

Pins 1 & 2 closed

IRQ3

Disabled

All pins open

Pins 1 & 2 closed

IRQ4

Disabled

All pins open

Pins 2 & 3 closed

Disabled

IRQ3

Pins 1 & 2 closed

All pins open

SERIAL PORTS 1 & 2 INTERRUPT SELECT

Port 1

Port 2

JP7

JP8

Disabled

IRQ4

Pins 2 & 3 closed

All pins open

Disabled

Disabled

All pins open

All pins open

SERIAL PORTS 1 & 2 INTERRUPT SELECT

Port 1

Port 2

J3

J4

» IRQ4

IRQ3

Pins 2 & 3 closed

Pins 1 & 2 closed

IRQ3

IRQ4

Pins 1 & 2 closed

Pins 2 & 3 closed

SERIAL PORT 1 & 2 CONFIGURATIONS

PORT 1

PORT 2

SW1/1

SW1/2

SW1/3

» COM1/3F8h

COM2/2F8h

On

On

On

COM1/3F8h

COM3/2E8h

Off

On

On

COM1/3F8h

COM4/3D8h

On

Off

On

COM2/2F8h

COM3/2E8h

Off

Off

On

COM2/2F8h

COM4/3D8h

On

On

Off

COM3/2E8h

COM4/3D8h

Off

On

Off

Disabled

Disabled

On

Off

Off

Disabled

Disabled

Off

Off

Off

PARALLEL PORT CONFIGURATION

LPT/Address

SW1/4

SW1/5

» LPT1/378h

On

On

LPT2/278h

Off

On

LPT3/3BCh

On

Off

Disabled

Off

Off