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DUAL SERIAL CARD

VIVA COMPUTER COMPANY

DUAL SERIAL CARD

Card Type

Serial

Chipset Controller

Unidentified

I/O Options

Serial port (2)

Maximum Dram

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

9-pin serial port

CN1

10-pin serial port

CN2

SERIAL PORT 1 SELECT

COM

JP1/A

JP1/B

JP1/C

JP1/D

COM1

Pins 1 & 2 closed

Pins 1 & 2 open

Pins 1 & 2 open

Pins 1 & 2 open

 

COM2

Pins 1 & 2 open

Pins 1 & 2 closed

Pins 1 & 2 open

Pins 1 & 2 open

 

COM3

Pins 1 & 2 open

Pins 1 & 2 open

Pins 1 & 2 closed

Pins 1 & 2 open

 

COM4

Pins 1 & 2 open

Pins 1 & 2 open

Pins 1 & 2 open

Pins 1 & 2 closed

SERIAL PORT 2 SELECT

COM

JP1/A

JP1/B

JP1/C

JP1/D

COM1

Pins 2 & 3 closed

Pins 2 & 3 open

Pins 2 & 3 open

Pins 2 & 3 open

 

COM2

Pins 2 & 3 open

Pins 2 & 3 closed

Pins 2 & 3 open

Pins 2 & 3 open

 

COM3

Pins 2 & 3 open

Pins 2 & 3 open

Pins 2 & 3 closed

Pins 2 & 3 open

 

COM4

Pins 2 & 3 open

Pins 2 & 3 open

Pins 2 & 3 open

Pins 2 & 3 closed

SERIAL PORT 1 SELECT

IRQ

JP2/A

IRQ3

Pins 2 & 3 open

 

IRQ4

Pins 1 & 2 closed

SERIAL PORT 2 SELECT

IRQ

JP2/B

IRQ4

Pins 1 & 2 closed

 

IRQ3

Pins 2 & 3 open