...because we can't all be on the bleeding edge...





SYSTEM V486/XX REV. 1

DELL COMPUTER CORPORATION

SYSTEM V486/XX REV. 1

Processor

80486SX/80486DX/80486DX2/Overdrive

Processor Speed

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

Chip Set

Opti

Max. Onboard DRAM

32MB

Cache

64/256KB

BIOS

AMI

Dimensions

330mm x 218mm

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

J9

Speaker

J21

External battery

J18

Power LED and keylock

J22

Turbo Switch

J20

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Battery type select - internal

W1

Closed

 

Battery type select - external

W1

Open

CMOS memory normal operation

W2

pins 1 & 2 closed

 

CMOS memory clear

W2

pins 2 & 3 closed

Factory configured - do not alter

W3

pins 2 & 3 closed

Factory configured - do not alter

W4

pins 2 & 3 closed

Monitor type select color

W12

pins 1 & 2 closed

 

Monitor type select monochrome

W12

pins 2 & 3 closed

Factory configured - do not alter

W13

Open

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

Bank 0

64KB

(8) 16K x4

256KB

(8) 32K x 8

CACHE JUMPER CONFIGURATION

Size

W8

W9

W10

0KB

Open

Open

Open

64KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

256KB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

CPU TYPE SELECT

CPU type

W5

W6

W7

486SX

pins 2 & 3 closed

pins 2 & 3 closed

Open

487SX

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

486DX

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

486DX2

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

Overdrive

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed