ICL

CL486, CL486S/25

Processor

80486SX/80487SX/80486DX/80486DX2

Processor Speed

25/33/50(internal)/66(internal)MHz

Chip Set

Symphony

Max. Onboard DRAM

32MB

Cache

None

BIOS

ICL

Dimensions

430mm x 352mm

I/O Options

Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA port

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

VGA port

CN1

Floppy drive interface

CN6

PS/2 mouse port

CN2

Serial port 2

CN7

Parallel port

CN3

Chassis fan power

J4

Serial port 1

CN4

IDE interface LED

J5

IDE interface

CN5

Riser Card

SL1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

On board VGA enabled

J1

pins 2 & 3 closed

 

On board VGA disbled

J1

pins 1 & 2 closed

»

CMOS memory normal operation

J2

Open

 

CMOS memory clear

J2

Closed

»

Factory configured - do not alter

J3

N/A

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

CPU TYPE CONFIGURATION

Type

T13

80486SX

pins 2 & 3, 5 & 6 closed

80487SX

pins 2 & 3, 5 & 6 closed

80486DX

pins 1 & 2, 4 & 5 closed

80486DX2

pins 1 & 2, 4 & 5 closed