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MP456G

UNIDENTIFIED

MP456G

Card Type

Multi I/O card

Chipset/Controller

Winbond

I/O Options

Game port, parallel ports, serial ports (2)

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

Parallel port

J2

Serial port 2 (COM2/4)

J4

Serial port 1 (COM1/3)

J3

Game port

J5

SERIAL PORT 1 CONFIGURATION

COM

J6

J7

COM1 (3F8h)

Pins 1 & 2 closed

Pins 1 & 2, 4 & 5 closed

 

COM3 (3E8h)

Pins 1 & 2 closed

Pins 2 & 3, 4 & 5 closed

SERIAL PORT 2 CONFIGURATION

COM

J6

J7

COM2 (2F8h)

Pins 5 & 6 closed

Pins 7&8, 10&11 closed

 

COM4 (2E8h)

Pins 5 & 6 closed

Pins 8&9, 10&11 closed

PARALLEL PORT CONFIGURATION

LPT1

LPT2

J6

J7

Enabled

Disabled

Pins 14 & 15 closed

Pins 13 & 14, 16 & 17 closed

 

Disabled

Enabled

Pins 14 & 15 closed

Pins 14 & 15, 16 & 17 closed

GAME PORT CONFIGURATION

Setting

J7

Enabled

Pins 19 & 20 closed

 

DIsabled

Pins 20 & 21 closed

MISCELLANEOUS TECHNICAL NOTES

Serial port 1 uses IRQ4, serial port 2 uses IRQ3, parallel port uses IRQ7