ICL

ERGOPRO C4/D4 V-SERIES

Processor

80486SX/80486SX2/80486DX2

Processor Speed

33/50(internal)/66(internal)MHz

Chip Set

OPTI

Max. Onboard DRAM

64MB

Cache

256KB

BIOS

ICL

Dimensions

330mm x 218mm

I/O Options

PS/2 mouse port, parallel port, serial ports (2), VGA port, VGA feature connector, floppy drive interface, IDE interface, riser slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

VGA port

CN1

Floppy drive interface

CN8

Parallel port

CN2

Cache connector

CN9

Serial port 1

CN3

Chassis fan power

J2

Serial port 2

CN4

Front panel connector

J3

PS/2 mouse port

CN5

IDE interface LED

J4

VGA feature connector

CN6

Riser Card

SL1

IDE interface

CN7

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

J1

N/A

»

VGA IRQ9 enabled

JP1

pins 3 & 4 closed

 

VGA IRQ9 disabled

JP1

pins 3 & 4 open

»

On board VGA enabled

JP1

pins 5 & 6 closed

 

On board VGA disabled

JP1

pins 5 & 6 open

»

CMOS memory normal operation

JP1

pins 7 & 8 open

 

CMOS memory clear

JP1

pins 7 & 8 closed

»

System lock disabled

JP1

pins 13 & 14 closed

 

System lock enabled

JP1

pins 11 & 12 closed

»

Boot block write disabled

JP1

pins 15 & 16 open

 

Boot block write enabled

JP1

pins 15 & 16 closed

»

Factory configured - do not alter

JP2

pins 7 - 16 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

4MB

(1) 1M x 36

NONE

8MB

(1) 1M x 36

(1) 1M x 36

8MB

(1) 2M x 36

NONE

12MB

(1) 1M x 36

(1) 2M x 36

16MB

(1) 2M x 36

(1) 2M x 36

16MB

(1) 4M x 36

NONE

20MB

(1) 1M x 36

(1) 4M x 36

32MB

(1) 4M x 36

(1) 4M x 36

64MB

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

CN9

256KB

Card installed

CPU SPEED CONFIGURATION

Speed

JP1

33MHz

pins 9 & 10 open

50iMHz

pins 9 & 10 closed

66iMHz

pins 9 & 10 open

VRAM CONFIGURATION

Size

Bank 0

Bank 1

512KB

(1) 256K x 16

NONE

1MB

(1) 256K x 16

(1) 256K x 16