UNIDENTIFIED

IOAT 41/42

Card Type

Multi I/O card

Chipset/Controller

N/A

I/O Options

Parallel port, serial ports (2)

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

Serial port 2

CN3

Parallel port

CN2

   

SERIAL PORT INTERRUPT SELECTION

Port 1 (CN1)

Port 2 (CN3)

JP2/A

JP2/B

»

IRQ4

IRQ3

Pins 10 & 11 closed

Pins 11 & 12 closed

 

IRQ3

IRQ4

Pins 11 & 12 closed

Pins 10 & 11 closed

 

IRQ5

IRQ7

Pins 8 & 9 closed

Pins 7 & 8 closed

 

IRQ7

IRQ5

Pins 7 & 8 closed

Pins 8 & 9 closed

PARALLEL PORT CONFIGURATION

LPT

JP1

»

1

Pins 1 & 2 closed

 

2

Pins 2 & 3 closed

PARALLEL PORT INTERRUPT SELECTION

IRQ

JP1

»

7

Pins 4 & 5 closed

 

5

Pins 5 & 6 closed

SERIAL PORT CONFIGURATION

Port 1 (CN1)

Port 2 (CN3)

JP2/A

JP2/B

»

COM1

COM2

Pins 1 & 2 closed

Pins 2 & 3 closed

 

COM1

COM3

Pins 1 & 2 closed

Pins 4 & 5 closed

 

COM1

COM4

Pins 1 & 2 closed

Pins 5 & 6 closed

 

COM2

COM1

Pins 2 & 3 closed

Pins 1 & 2 closed

 

COM2

COM3

Pins 2 & 3 closed

Pins 4 & 5 closed

 

COM2

COM4

Pins 2 & 3 closed

Pins 5 & 6 closed

 

COM3

COM1

Pins 4 & 5 closed

Pins 1 & 2 closed

 

COM3

COM2

Pins 4 & 5 closed

Pins 2 & 3 closed

 

COM3

COM4

Pins 4 & 5 closed

Pins 5 & 6 closed

 

COM4

COM1

Pins 5 & 6 closed

Pins 1 & 2 closed

 

COM4

COM2

Pins 5 & 6 closed

Pins 2 & 3 closed

 

COM4

COM3

Pins 5 & 6 closed

Pins 4 & 5 closed

 

COM1

Disabled

Pins 1 & 2 closed

Open

 

COM2

Disabled

Pins 2 & 3 closed

Open

 

COM3

Disabled

Pins 4 & 5 closed

Open

 

COM4

Disabled

Pins 5 & 6 closed

Open

 

Disabled

COM1

Open

Pins 1 & 2 closed

 

Disabled

COM2

Open

Pins 2 & 3 closed

 

Disabled

COM3

Open

Pins 4 & 5 closed

 

Disabled

COM4

Open

Pins 5 & 6 closed

 

Disabled

Disabled

Open

Open