UNIDENTIFIED

MULTI I/O PLUS CARD

Card Type

Multi I/O card

Chipset/Controller

Unknown

I/O Options

Floppy drive interface, game port, parallel port, serial ports (2)

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

Parallel port

CN1

Serial port 1

CN4

Game port

CN2

Floppy drive interface

CN5

Serial port 2

CN3

   

SERIAL PORT CONFIGURATION

Port 1 (CN4)

J1

COM1

Pins 13 & 14 closed

COM3

Pins 11 & 13 closed

Disabled

All open

SERIAL PORT CONFIGURATION

Port 2 (CN3)

J1

COM2

Pins 19 & 20 closed

COM4

Pins 17 & 19 closed

Disabled

All open

SERIAL PORT INTERRUPT SELECT

Port 1 (CN4)

J1

IRQ4

Pins 10 & 12 closed

IRQ3

Pins 9 & 10 closed

Disabled

All open

SERIAL PORT INTERRUPT SELECT

Port 2 (CN3)

J1

IRQ3

Pins 16 & 18 closed

IRQ4

Pins 15 & 16 closed

Disabled

All open

PARALLEL PORT CONFIGURATION

LPT

J1

»

1

Pins 7 & 8 closed

 

2

Pins 5 & 7 closed

 

Disabled

All open

GAME PORT CONFIGURATION

Port

J1

»

Enabled

Pins 1 & 2 closed

 

Disabled

Pins 1 & 2 open

TIMER CONFIGURATION

Setting

J1

Timer 1 enabled

Pins 3 & 4 closed

Timer 2 enabled

Pins 4 & 6 closed

Disabled

All open