DELL COMPUTER CORPORATION
DIMENSION XPS XXX
|
Processor |
80486DX2/80486DX4 |
|
Processor Speed |
50(internal)/66(internal)MHz |
|
Chip Set |
MIC |
|
Max. Onboard DRAM |
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 (2), parallel port, PS/2 mouse port, serial ports (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 1 |
CN1 |
Parallel port |
J16 |
|
IDE interface 1 |
CN2 |
Speaker |
J33 |
|
IDE interface 2 |
CN3 |
Power LED & keylock |
J34 |
|
Floppy drive interface |
CN4 |
IDE interface LED |
W11 |
|
Serial port 2 |
CN5 |
Reset switch |
W12 |
|
PS/2 mouse port |
J13 |
32-bit VESA Local bus slots |
J29 & J30 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
|
Factory configured - do not alter |
W1 |
Closed |
|
|
Monitor type select color |
W2 |
Closed |
|
Monitor type select monochrome |
W2 |
Open | |
|
|
Mouse IRQ12 enabled |
W3 |
Closed |
|
Mouse IRQ12 disabled |
W3 |
Open | |
|
|
Clear NVRAM disabled |
W5 |
Open |
|
Clear NVRAM enabled |
W5 |
Closed | |
|
|
Factory configured - do not alter |
W8 |
Pins 2 & 3 closed |
|
|
Factory configured - do not alter |
W10 |
Pins 2 & 3 closed |
|
|
Factory configured - do not alter |
W11 |
Pins 2 & 3 closed |
|
|
Processor is Intel486 DX, DX2, DX4, Pentium or Pentium Pro |
W12 |
Pins 1 & 2 closed |
|
Processor is Intel486 SX |
W12 |
Pins 2 & 3 closed | |
|
|
Factory configured - do not alter |
W13 |
Open |
|
|
Factory configured - do not alter |
W16 |
Pins 2 & 3 closed |
|
|
Factory configured - do not alter |
W17 |
Pins 2 & 3 closed |
|
|
Factory configured - do not alter |
W18 |
Open |
|
|
Factory configured - do not alter |
W19 |
Closed |
|
|
Factory configured - do not alter |
W22 |
Pins 2 & 3 closed |
|
|
Factory configured - do not alter |
W23 |
Pins 2 & 3 closed |
|
|
Factory configured - do not alter |
W24 |
Pins 2 & 3 closed |
|
|
Factory configured - do not alter |
W25 |
Open |
|
|
IDE port 1 enabled |
W34 |
Pins 1 & 2 closed |
|
IDE port 1 disabled |
W34 |
Pins 2 & 3 closed | |
|
|
Factory configured - do not alter |
W35 |
Open |
|
|
Parallel port IRQ = 7 |
W36 |
Pins 1 & 2 closed |
|
Parallel port IRQ = 5 |
W36 |
Pins 2 & 3 closed | |
|
|
ECP DMA = 3 |
W37 |
Pins 2 & 3 closed |
|
ECP DMA = 1 |
W37 |
Pins 1 & 2 closed | |
|
|
ECP DMA = 3 |
W38 |
Pins 2 & 3 closed |
|
ECP DMA = 1 |
W38 |
Pins 1 & 2 closed | |
|
|
Factory configured - do not alter |
W39 |
Open |
|
|
Factory configured - do not alter |
W40 |
Open |
|
|
Factory configured - do not alter |
SW1/2 |
Closed |
|
|
Factory configured - do not alter |
SW1/3 |
Open |
|
|
Factory configured - do not alter |
SW1/4 |
Open |
|
Note: The locations of the factory confugured jumpers is unidentified. | |||
|
DRAM 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) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
|
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
36MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
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 |
(2) 16K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(2) 16K x 8 |
|
CPU SPEED CONFIGURATION | ||||
|
Speed |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
|
50iMHz |
Open |
Factory configured |
Factory configured |
Factory configured |
|
66iMHz |
Closed |
Factory configured |
Factory configured |
Factory configured |