AUVA COMPUTER, INC.

MULTIFUNCTION I/O CARD

Card Type

Multi I/O

Chipset Controller

Unidentified

I/O Options

Floppy interface, parallel port, serial ports (2), game port, clock

Maximum Dram

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

Game port

J1

Serial port 2

J4

Parallel port

J2

Floppy drive interface

J5

Serial port 1

J3

   

SERIAL PORT ADDRESS SELECTION

Port 1

Port 2

SW1/1

SW1/2

SW1/3

3F8h (COM1:)

2F8h (COM2:)

On

On

On

3F8h (COM1:)

2E8h (COM3:)

Off

On

On

3F8h (COM1:)

3E8 (COM4:)

On

Off

On

2F8h (COM2:)

2E8h (COM3:)

Off

Off

On

2F8h (COM2:)

3E8 (COM4:)

On

On

Off

2E8h (COM3:)

3E8 (COM4:)

Off

On

Off

Disabled

Disabled

N/A

Off

Off

PARALLEL PORT CONFIGURATION

Port

Address

SW1/4

SW1/5

Enabled

378h (LPT1:)

On

On

Enabled

278h (LPT2:)

Off

On

Enabled

3BC (LPT3:)

On

Off

Disabled

N/A

Off

Off

CLOCK CONFIGURATION

Clock

Address

SW1/6

JP3

Enabled

240h

On

Pins 2 & 3 closed

Enabled

340h

On

Pins 1 & 2 closed

Disabled

N/A

Off

N/A

CLOCK INTERRUPT CONFIGURATION

Mode

JP6

Normal interrupt operation

Pins 1 & 2 closed

Standby Interrupt mode

Pins 2 & 3 closed

SERIAL PORT INTERRUPT SELECTION

Port 1

Port 2

JP7

JP8

IRQ3

IRQ4

Pins 1 & 2 closed

Pins 2 & 3 closed

IRQ4

IRQ3

Pins 2 & 3 closed

Pins 1 & 2 closed

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