UNIDENTIFIED

BABY I/O CARD MT-881

Card Type

Multi I/O card

Chipset/Controller

N/A

I/O Options

Clock, floppy drive interface, game port, parallel port, serial ports (2)

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

Parallel port

CN4

Serial port 2

CN2

Floppy drive interface

JP4

Game port

CN3

 

 

SERIAL PORT CONFIGURATION

Port 1 (CN1)

Port 2 (CN2)

JP5

»

COM1

COM2

Pins 9 & 10, 13 & 14, 15 & 16, 19 & 20 closed

 

COM1

COM4

Pins 9 & 10, 13 & 14, 15 & 16, 17 & 19 closed

 

COM3

COM2

Pins 9 & 10, 11 & 13, 15 & 16, 19 & 20 closed

 

COM3

COM4

Pins 9 & 10, 11 & 13, 15 & 16, 17 & 19 closed

 

Disabled

COM2

Pins 15 & 16, 19 &20 closed

 

Disabled

COM4

Pins 15 & 16, 17 & 19 closed

 

COM1

Disabled

Pins 9 & 10, 13 & 14 closed

 

COM3

Disabled

Pins 9 & 10, 11 & 13 closed

PARALLEL PORT CONFIGURATION

LPT

JP5

»

1

Pins 7 & 8 closed

 

2

Pins 5 & 7 closed

 

Disabled

Pins 5, 7 & 8 closed

GAME PORT CONFIGURATION

Setting

JP5

»

Enabled

Pins 1 & 2 closed

 

Disabled

Pins 1 & 2 open

TIMER CONFIGURATION

Setting

JP5

»

Enabled

Pins 3 & 4 closed

 

Disabled

Pins 4 & 6 closed