Processor

80486SX/80486DX2/80486DX4

Processor Speed

33/66(internal)/100(internal)MHz

Chip Set

Unidentified

Max. Onboard DRAM

16MB

Cache

None

BIOS

Unidentified

Dimensions

330mm x 200mm

I/O Options

Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial port, VGA port, Ethernet connectors (3)

NPU Options

80487SX

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

CN1

Parallel port

CN9

Floppy drive interface

CN2

Headphone port

CN10

IDE interface

CN3

Microphone port

CN11

Ethernet UTP port

CN4

Video memory upgrade connector

CN12

Ethernet thin port

CN5

Ethernet thick port

CN13

VGA port

CN6

Chassis fan power

PL7

Serial port

CN7

IDE power

PL12

PS/2 mouse port

CN8

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

JP2

pins 2 & 3 closed

CMOS memory clear

JP2

pins 1 & 2 closed

»

Ethernet cable type select thick

SW1

Open

Ethernet cable type select thin

SW1

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

4MB

(8) 411000

NONE

NONE

6MB

(8) 411000

(2) 1M x 9

NONE

8MB

(8) 411000

(2) 1M x 9

(2) 1M x 9

12MB

(8) 411000

(2) 4M x 9

NONE

16MB

(8) 411000

(2) 4M x 9

(2) 4M x 9

Note: Bank 0 is factory installed and is not configurable. When 16MB is installed, Bank 0 is automatically disabled.