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286 AT I/O II CARD IO card Settings and Configuration






UNIDENTIFIED

286 AT I/O II CARD

Card Type

Multi I/O card

Chipset/Controller

Unknown

I/O Options

Game port, parallel port, serial ports (2)

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

Game port

CN1

Serial port 1

CN3

Serial port 2

CN2

Parallel port

CN4

SERIAL PORT ADDRESS CONFIGURATION

Port 1 (CN3)

Port 2 (CN2)

JP1/A

JP1/B

COM1

COM2

Pins 2 & 3 closed

Pins 1 & 2 closed

COM2

COM1

Pins 1 & 2 closed

Pins 2 & 3 closed

SERIAL PORT INTERRUPT SELECTION

Port 1 (CN3)

Port 2 (CN2)

JP2/A

JP2/B

IRQ4

IRQ3

Pins 1 & 2 closed

Pins 2 & 3 closed

IRQ3

IRQ4

Pins 2 & 3 closed

Pins 1 & 2 closed

PARALLEL PORT INTERRUPT SELECTION

IRQ

JP3

JP5/A

JP5/B

7

Open

Open

Closed

5

Closed

Closed

Open

Note: For XT compatible models, both of the above settings yield a setting of IRQ7.








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