DELL COMPUTER CORPORATION
V486DX/XX, XXS REV. 2
Processor | 80486SX/80487SX/80486DX/80486DX2 |
Processor Speed | 25/33/50(internal)MHz |
Chip Set | OPTI |
Max. Onboard DRAM | 64MB |
Cache | 64/256KB |
BIOS | AMI |
Dimensions | 330mm x 218mm |
NPU options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | J1 | Serial port 1 | J10 |
Unidentified | J2 | Turbo LED | J23 |
Unidentified | J3 | Reset switch | J24 |
IDE interface | J5 | Power LED & keylock | J25 |
Floppy drive interface | J6 | Speaker | J26 |
Parallel port | J8 | VGA interface | J27 |
Serial port 2 | J9 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Monitor type select color | W1 | pins 1 & 2 closed |
Monitor type select monochrome | W1 | pins 2 & 3 closed | |
» | 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 |
» | Onboard VGA enabled | W10 | pins 1 & 2 closed |
Onboard VGA disabled | W10 | pins 2 & 3 closed |
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) 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) 4M x 36 | (1) 4M x 36 | (1) 1M x 36 | NONE |
40MB | (1) 4M x 36 | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x 36 |
48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 | NONE |
52MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 | (1) 1M x 36 |
64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 |
CACHE CONFIGURATION | |
Size | Bank 0 |
64KB | (8) 16K x 4 |
256KB | (8) 32K x 8 |
CACHE JUMPER CONFIGURATION | |||
Size | W4 | W5 | W9 |
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 FREQUENCY SELECT | |||
CPU type | W6 | W7 | W8 |
80486SX | pins 2 & 3 closed | pins 2 & 3 closed | Open |
80487SX | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
80486DX | pins 1 & 2 closed | pins 1 & 2 closed | pins 2 & 3 closed |
80486DX2 | pins 1 & 2 closed | pins 1 & 2 closed | pins 2 & 3 closed |
VIDEO RAM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
512KB | (4) 256KB x 4 | NONE |
1MB | (4) 256KB x 4 | (4) 256KB x 4 |
Note:Bank 0 is factory installed and is not configurable. |
VIDEO RAM JUMPER CONFIGURATION | |
Size | SW1/6 |
512KB | On |
1MB | Off |
MONITOR REFRESH RATE (800 X 600) | ||
Rate | SW1/1 | SW1/2 |
56Hz | Off | Off |
60Hz | Off | On |
72Hz | On | Off |
56Hz | On | On |
MONITOR REFRESH RATE (1024 X 768) | ||
Rate | SW1/3 | SW1/4 |
Interlaced | Off | Off |
60Hz (noninterlaced) | Off | On |
70Hz (noninterlaced) | On | Off |
72Hz (noninterlaced) | On | On |
STANDARD VGA MODES | |
Mode | SW1/5 |
40Hz horizontal, 75/80Hz vertical | On |
31.5Hz horizontal, 60/70Hz vertical | Off |