DIMENSION XPS XX MDT, XPS XX FS Motherboard Settings and Configuration

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

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DIMENSION XPS XX MDT, XPS XX FS Motherboard Settings and Configuration

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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