ICL

ERGOPRO D4/33 XG, D4/33 XGI, D4/66 DXG, D4/66 DXGI

Processor

80486SX/80487SX/80486DX2

Processor Speed

33/66(internal)MHz

Chip Set

Headland

Max. Onboard DRAM

32MB

Cache

128KB

BIOS

ICL

Dimensions

432mm x 368mm

I/O Options

Microphone port, headphone port, VGA port, PS/2 port, SCSI port, AUI port, 10 base T port, VGA feature connector, serial/parallel connector, floppy drive interfaces (2), SCSI interface, CD audio connector, riser slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Microphone port

CN1

Floppy drive interface

CN11

Headphone port

CN2

Floppy drive interface

CN12

VGA port

CN3

SCSI interface

CN13

PS/2 mouse port

CN4

Chassis fan power

J1

SCSI port

CN5

Speaker

J2

AUI port

CN6

Chassis fan power

J3

10 base T port

CN7

Front panel connector

J4

VGA feature connector

CN8

CD audio connector

T9

Serial/parallel connector

CN9

Reset switch

T29

Cache connector

CN10

Riser Card

SL1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

 

Factory configured - do not alter

CN14

N/A

»

On board VGA enabled

T12

Open

 

On board VGA disabled

T12

pins 2 & 3 closed

»

System lock disabled

T14

pins 1 & 2 closed

 

System lock enabled

T14

pins 2 & 3 closed

»

CMOS memory normal operation

T21

Open

 

CMOS memory clear

T21

Closed

»

Boot block disabled

T900

Open

 

Boot block enabled

T900

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

4MB

(4) 1M x 9

NONE

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

CN10

128KB

Module installed

Note: There are two CN10 connectors.

CACHE JUMPER CONFIGURATION

Setting

T32

Installed

Open

Not installed

Closed

Note: There are two T32 shown on the diagram. Depending on board revision, the jumper will be located in either place.

VRAM CONFIGURATION

Note: VRAM is factory installed and is not configurable.