ICL

ERGOPRO C4/33, C4/33B, D4/25, D4/33D

Processor

80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive

Processor Speed

25/33/66(internal)MHz

Chip Set

Headland

Max. Onboard DRAM

32MB

Cache

128KB

BIOS

ICL

Dimensions

432mm x 368mm

I/O Options

PS/2 mouse port, parallel port, serial port, VGA port, VGA feature connector, AUI port, 10 base T port, floppy drive interface, IDE interface, riser slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

VGA port

CN1

Cache connector

CN10

PS/2 mouse port

CN2

Chassis fan power

J3

Parallel port

CN3

IDE interface LED

J4

AUI port

CN4

Reset switch

J6

10 base T port

CN5

Chassis fan power

J7

Serial port

CN6

Speaker

J8

VGA feature connector

CN7

SCSI interface LED

J9

IDE interface

CN8

Riser Card

SL1

Floppy drive interface

CN9

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

On board VGA enabled

J1

Open

 

On board VGA disabled

J1

Closed

»

CMOS memory normal operation

J2

Open

 

CMOS memory clear

J2

Closed

»

Boot block disabled

J5

Open

 

Boot block enabled

J5

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

J10

Installed

Open

Not installed

Closed

VRAM CONFIGURATION

Size

Bank 0

Bank 1

512KB

(2) 256K x 8

NONE

1MB

(2) 256K x 8

(2) 256K x 8