HwMuseum | Index

BOCA RESEARCH INC.

IO/AT 44

Card Type

Multi I/O card

Chipset/Controller

Startech

I/O Options

Parallel ports (2), serial ports (2)

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

J1

Parallel port 1

J5

Serial port 2

J2

Parallel port 2

J6

PARALLEL PORT CONFIGURATION

Port 1 (J5)

Port 2 (J3)

J3/A

J3/B

»

LPT1

LPT2

Pins 1 & 2 closed

Pins 2 & 3 closed

 

LPT2

LPT1

Pins 2 & 3 closed

Pins 1 & 2 closed

 

Disabled

LPT1

Open

Pins 1 & 2 closed

 

Disabled

LPT2

Open

Pins 2 & 3 closed

 

LPT1

Disabled

Pins 1 & 2 closed

Open

 

LPT2

Disabled

Pins 2 & 3 closed

Open

 

Disabled

Disabled

Open

Open

PARALLEL PORT INTERRUPT SELECT

Port 1 (J5)

Port 2 (J3)

J3C

J3D

IRQ7

IRQ5

Pins 1 & 2 closed

Pins 2 & 3 closed

IRQ5

IRQ7

Pins 2 & 3 closed

Pins 1 & 2 closed

SERIAL PORT CONFIGURATION

Port 1 (J1)

Port 2 (J2)

J4/A

J4/B

J4/C

J4/D

»

COM1

COM2

Pins 1 & 2

Pins 2 & 3

Open

Open

 

COM1

COM3

Pins 1 & 2

Open

Open

Pins 1 & 2

 

COM1

COM4

Pins 1 & 2

Open

Open

Pins 2 & 3

 

COM2

COM1

Pins 2 & 3

Pins 1 & 2

Open

Open

 

COM2

COM3

Pins 2 & 3

Open

Open

Pins 1 & 2

 

COM2

COM4

Pins 2 & 3

Open

Open

Pins 2 & 3

 

COM3

COM1

Open

Pins 1 & 2

Pins 1 & 2

Open

 

COM3

COM2

Open

Pins 2 & 3

Pins 1 & 2

Open

 

COM3

COM4

Open

Open

Pins 1 & 2

Pins 2 & 3

 

COM4

COM1

Open

Pins 1 & 2

Pins 2 & 3

Open

 

COM4

COM2

Open

Pins 2 & 3

Pins 2 & 3

Open

 

COM4

COM3

Open

Open

Pins 2 & 3

Pins 1 & 2

 

Disabled

COM1

Open

Pins 1 & 2

Open

Open

 

Disabled

COM2

Open

Pins 2 & 3

Open

Open

 

Disabled

COM3

Open

Open

Open

Pins 1 & 2

 

Disabled

COM4

Open

Open

Open

Pins 2 & 3

 

COM1

Disabled

Pins 1 & 2

Open

Open

Open

 

COM2

Disabled

Pins 2 & 3

Open

Open

Open

 

COM3

Disabled

Open

Open

Pins 1 & 2

Open

 

COM4

Disabled

Open

Open

Pins 2 & 3

Open

Note: Pins designated should be in the closed position.

SERIAL PORT INTERRUPT SELECT

Port 1 (J1)

Port 2 (J2)

J4/E

J4/F

J4/G

J4/H

»

IRQ4

IRQ3

Open

Open

Pins 1 & 2

Pins 2 & 3

 

IRQ4

IRQ2

Open

Pins 1 & 2

Pins 1 & 2

Open

 

IRQ4

IRQ5

Open

Pins 2 & 3

Pins 1 & 2

Open

 

IRQ2

IRQ3

Pins 1 & 2

Open

Open

Pins 2 & 3

 

IRQ2

IRQ4

Pins 1 & 2

Open

Open

Pins 1 & 2

 

IRQ2

IRQ5

Pins 1 & 2

Pins 2 & 3

Open

Open

 

IRQ3

IRQ2

Open

Pins 1 & 2

Pins 2 & 3

Open

 

IRQ3

IRQ4

Open

Open

Pins 2 & 3

Pins 1 & 2

 

IRQ3

IRQ5

Open

Pins 2 & 3

Pins 2 & 3

Open

 

IRQ5

IRQ2

Pins 2 & 3

Pins 1 & 2

Open

Open

 

IRQ5

IRQ3

Pins 2 & 3

Open

Open

Pins 2 & 3

 

IRQ5

IRQ4

Pins 2 & 3

Open

Open

Pins 1 & 2

 

Disabled

IRQ2

Open

Pins 1 & 2

Open

Open

 

Disabled

IRQ3

Open

Open

Open

Pins 2 & 3

 

Disabled

IRQ4

Open

Open

Open

Pins 1 & 2

 

Disabled

IRQ5

Open

Pins 2 & 3

Open

Open

 

IRQ2

Disabled

Pins 1 & 2

Open

Open

Open

 

IRQ3

Disabled

Open

Open

Pins 2 & 3

Open

 

IRQ4

Disabled

Open

Open

Pins 1 & 2

Open

 

IRQ5

Disabled

Pins 2 & 3

Open

Open

Open

Note: Pins designated should be in the closed position.