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INTELLIGENT SYNCHRONOUS COMMUNICATIONS ADAPTER

DIGITAL COMMUNICATION ASSOCIATES, INC.

INTELLIGENT SYNCHRONOUS COMMUNICATIONS ADAPTER

Card Type

I/O controller

Chipset/Controller

Texas Instruments

I/O Options

Serial port

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Serial port

CN1

I/O ADDRESS CONFIGURATION

Address

JB2/A

JB2/B

JB2/C

JB2/D

380h

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

 

370h

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

 

378h

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

 

388h

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

 

390h

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

 

398h

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

 

3A0h

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

INTERRUPT SELECT

IRQ

JB1/A

JB1/B

JB1/C

IRQ3

Closed

Open

Open

 

IRQ4

Open

Closed

Open

 

IRQ7

Open

Open

Closed

DMA CONFIGURATION

DRQ

DACK

JB1/D

JB1/E

JB1/F

JB1/G

1

1

Closed

Open

Closed

Open

1

3

Closed

Open

Open

Closed

3

1

Open

Closed

Closed

Open

3

3

Open

Closed

Open

Closed

FACTORY CONFIGURED SETTINGS

Jumper

Setting

J4

Pins 1 & 2 closed

J5

Pins 1 & 2 closed

J7

Closed