...because we can't all be on the bleeding edge...





IRMA3 COMVERTIBLE

DIGITAL COMMUNICATIONS ASSOCIATES, INC.

IRMA3 COMVERTIBLE

NIC Type

Ethernet

Network Transfer Rate

10Mbps

Data Bus

8-bit ISA/MCA

Topology

Linear Bus, Star

Wiring Type

Unshielded twisted pair

RG-58A/U 50ohm coaxial

Boot ROM

Not available

CONNECTIONS

Function

Label

Function

Label

Unshielded twisted pair port

CN1

RG-58A/U 50ohm coaxial port

CN2

USER CONFIGURABLE SETTINGS

Function

Label

Position

High sensitivity selected

JP2

Pins 1 & 2 closed

 

Low sensitivity selected

JP2

Pins 2 & 3 closed

BASE I/O ADDRESS SELECTION

Address

SW1/1

SW1/2

SW1/3

SW1/4

X680"h

On

On

On

Off

XA80h

On

On

Off

On

XE80h

On

On

Off

Off

X6A0h

Off

On

On

Off

XAA0h

Off

On

Off

On

XEA0h

Off

On

Off

Off

X6C0h

On

Off

On

Off

XAC0h

On

Off

Off

On

XEC0h

On

Off

Off

Off

X6E0h

Off

Off

On

Off

XAE0h

Off

Off

Off

On

XEE0h

Off

Off

Off

Off

X280h

On

On

On

On

CABLE TYPE SELECTION

Type

JP1

RG-58A/U 50ohm coaxial

Pins 2 & 3 closed

 

Unshielded twisted pair

Pins 1 & 2 closed

MISCELLANEOUS TECHNICAL NOTES

Note: The backplate must be changed for MCA and for ISA.