HwMuseum | Index

DIGITAL COMMUNICATIONS ASSOCIATES, INC.

IRMA 2-MCA

Category

Serial communications adapter

Chipset Controller

Unidentified

I /O Options Supported

Serial port

Maximum Onboard Memory

N/A

CONNECTIONS

Purpose

Location

Serial port - coaxial

CN1

INTERRUPT SELECT - JP1

IRQ

Jumper A

Jumper B

Jumper C

Jumper D

»

IRQ2

Open

Open

Open

Closed

 

IRQ3

Closed

Open

Open

Open

 

IRQ4

Open

Closed

Open

Open

 

IRQ7

Open

Open

Closed

Open