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IOAT45

BOCA RESEARCH, INC.

IOAT45

Card Type

Multi I/O card

Chipset/Controller

GM82C455

I/O Options

Parallel ports (2), serial ports (2)

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

Parallel port 2

J1

Serial port 1

J4

Serial port 2

J3

Parallel port 1

J7

SERIAL PORT CONFIGURATION

Port 1 (J4)

J2/A

J2/E

Port 2 (J3)

J2/B

J2/F

COM1

Pins 1 & 2

Pins 1 & 2

COM2

Pins 1 & 2

Pins 1 & 2

 

COM3

Pins 1 & 2

Pins 2 & 3

COM4

Pins 1 & 2

Pins 2 & 3

 

Disabled

Pins 2 & 3

N/A

Disabled

Pins 2 & 3

N/A

Note:All Pins designated should be placed in the closed position.

PRIMARY SERIAL PORT INTERRUPT SELECT

IRQ

J2/I

J2/J

J2/K

J2/L

IRQ4

N/A

Pins 1 & 2 closed

N/A

N/A

 

IRQ3

Pins 1 & 2 closed

N/A

N/A

N/A

 

IRQ5

N/A

N/A

Pins 1 & 2 closed

N/A

 

IRQ9

N/A

N/A

N/A

Pins 1 & 2 closed

SECONDARY SERIAL PORT INTERRUPT SELECT

IRQ

J2/I

J2/J

J2/K

J2/L

IRQ3

Pins 2 & 3 closed

N/A

N/A

N/A

 

IRQ4

N/A

Pins 2 & 3 closed

N/A

N/A

 

IRQ5

N/A

N/A

Pins 2 & 3 closed

N/A

 

IRQ9

N/A

N/A

N/A

Pins 2 & 3 closed

PARALLEL PORT CONFIGURATION

Port 1 (J7)

J2/C

Port 2 (J1)

J2/D

Enabled

Pins 1 & 2 closed

Enabled

Pins 1 & 2 closed

 

Disabled

Pins 2 & 3 closed

Disabled

Pins 2 & 3 closed

PARALLEL PORT INTERRUPT SELECT

Port 1 (J7)

J2/G

Port 2 (J1)

J2/H

IRQ7

Pins 2 & 3 closed

IRQ5

Pins 1 & 2 closed

 

IRQ5

Pins 1 & 2 closed

IRQ7

Pins 2 & 3 closed