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DIMENSION XPS XX MDT, XPS XX FS

DELL COMPUTER CORPORATION

DIMENSION XPS XX MDT, XPS XX FS

Device Type

Mainboard

Processor

80486DX2/80486DX4

Processor Speed

50(internal)/66(internal)/75(internal)/100(internal)MHz

Chip Set

Unidentified

Maximum Onboard Memory

64MB

Cache

128/256KB

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (2), floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2)

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface

CN1

Serial port 2

J16

Floppy drive interface

CN2

Speaker

J33

External battery

CN3

Power LED & keylock

J34

PS/2 mouse port

CN4

32-bit VESA local bus slots

SL1 & SL2

Serial port 1

J12

IDE interface LED

W11

Parallel port

J15

Reset switch

W12

USER CONFIGURABLE SETTINGS

Function

Label

Position

Factory configured - do not alter

W1

Open

Parallel port bidirectional

W5

Pins 1 & 2 closed

 

Parallel port unidirectional

W5

Pins 2 & 3 closed

Monitor type select color

W6

Closed

 

Monitor type select monochrome

W6

Open

Factory configured - do not alter

W7

Closed

Factory configured - do not alter

W8

Pins 1 & 2 closed

Factory configured - do not alter

W20

Pins 1 & 2 closed

Factory configured - do not alter

W31

Open

Factory configured - do not alter

W40

Pins 1 & 2 closed

Factory configured - do not alter

W70

Pins 1 & 2 closed

Factory configured - do not alter

W71

Open

Factory configured - do not alter

SW1/2

On

Factory configured - do not alter

SW1/3

Off

Factory configured - do not alter

SW1/4

Off

Note: The location of the factory configured jumpers are unidentified.

SIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

4MB

(1) 1M x 36

None

None

None

8MB

(1) 1M x 36

(1) 1M x 36

None

None

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

None

16MB

(1) 4M x 36

None

None

None

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

20MB

(1) 4M x 36

(1) 1M x 36

None

None

24MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

None

28MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

32MB

(1) 4M x 36

(1) 4M x 36

None

None

36MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

None

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

None

52MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

128KB

(4) 32K x 8

None

Unidentified

256KB

(4) 32K x 8

(4) 32K x 8

Unidentified

CACHE JUMPER CONFIGURATION

Size

W64

W65

W66

W67

W68

128KB

2 & 3

1 & 2

1 & 2

1 & 2

2 & 3

256KB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION

Speed

SW1/1

50iMHz

On

66iMHz

Off

75iMHz

On

100iMHz

Off