HwMuseum | Index

BOCA RESEARCH, INC.

IOAT43

Card Type

MULTI I/O

Chipset Controller

National Semiconductor

I/O Options

Parallel port, Serial port (2)

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 2

J1

Serial port 1

J2

Parallel port

J3

   

PARALLEL PORT BASE I/O ADDRESS SELECTION

Address

J5/C

LPT1

Pins 1 & 2 closed

LPT2

Pins 2 & 3 closed

SERIAL PORT 1 BASE I/O ADDRESS SELECTION

Address

J5/A

COM1

Pins 1 & 2 closed

COM3

Pins 2 & 3 closed

SERIAL PORT 2 BASE I/O ADDRESS SELECTION

Address

J5/B

COM2

Pins 1 & 2 closed

COM4

Pins 2 & 3 closed

PARALLEL PORT INTERRUPT SELECTION

IRQ

J5/D

»

7

Pins 2 & 3 closed

 

5

Pins 1 & 2 closed

SERIAL PORT 1 INTERRUPT SELECTION

IRQ

J5/E pins 1 & 2

J5/F pins 1 & 2

J5/G pins 1 & 2

J5/H pins 1 & 2

»

4

Open

Closed

Open

Open

 

3

Closed

Open

Open

Open

 

5

Open

Open

Closed

Open

 

9

Open

Open

Open

Closed

SERIAL PORT 2 INTERRUPT SELECTION

IRQ

J5/E pins 2 & 3

J5/F pins 2 & 3

J5/G pins 2 & 3

J5/H pins 2 & 3

»

3

Closed

Open

Open

Open

 

4

Open

Closed

Open

Open

 

5

Open

Open

Closed

Open

 

9

Open

Open

Open

Closed