UNIDENTIFIED

IOAT-301

Card Type

Multi I/O card

Chipset/Controller

Unidentified

I/O Options

Game port, parallel port, serial ports (2)

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

Game port

CN3

Serial port 2

CN2

Parallel port

CN4

SERIAL PORT CONFIGURATION

Port 1 (CN1)

Port 2 (CN2)

SW1/1

SW1/2

COM1

COM2

On

On

COM2

COM3

On

Off

COM3

COM4

Off

On

Disabled

Disabled

Off

Off

PRIMARY SERIAL PORT INTERRUPT SELECT

Port 1 (CN1)

SW2/3

SW2/4

»

IRQ4

Off

On

 

IRQ3

On

Off

SECONDARY SERIAL PORT INTERRUPT SELECT

Port 2 (CN2)

SW2/1

SW2/2

»

IRQ3

On

Off

 

IRQ4

Off

On

PARALLEL PORT CONFIGURATION

Port

SW1/4

»

Enabled

On

 

Disabled

Off

PARALLEL PORT ADDRESS SELECT

LPT

JP1

»

1

Pins 2 & 3 closed

 

2

Pins 1 & 2 closed

PARALLEL PORT INTERRUPT SELECT

IRQ

SW2/5

SW2/6

»

IRQ7

On

Off

 

IRQ5

Off

On

GAME PORT CONFIGURATION

Port

SW1/3

»

Enabled

On

 

Disabled

Off

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