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 |