DELL COMPUTER CORPORATION
SYSTEM 486/L
Processor | 80486SX/80487SX/80486DX/80486DX2 |
Processor Speed | 25/33/50(internal)/66(internal)MHz |
Chip Set | LSI |
Max. Onboard DRAM | 64MB (on external card) |
Cache | 128KB |
BIOS | Phoenix |
Dimensions | 330mm x 218mm |
I/O Options | External cache card, floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
PS/2 mouse port | CN1 | Floppy drive interface | CN7 |
Serial port 1 | CN2 | Video memory upgrade connector | CN8 |
Serial port 2 | CN3 | VGA feature connector | CN9 |
Parallel port | CN4 | IDE interface LED | J11 |
VGA port | CN5 | External cache card | SL1 |
IDE interface | CN6 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Password enabled | J1 | Closed |
Password disabled | J1 | Open | |
» | Factory configured - do not alter | J2 | Open |
» | Flash BIOS write protect enabled | J3 | Closed |
Flash BIOS write protect disabled | J3 | Open | |
» | On board VGA enabled | J4 | Closed |
On board VGA disabled | J4 | Open | |
» | External cache card not installed | J5 | Closed |
External cache card installed | J5 | Open | |
» | Factory configured - do not alter | J6 | Open |
» | Factory configured - do not alter | J9 | Open |
» | Factory configured - do not alter | J10 | Open |
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 |
CPU SPEED CONFIGURATION | ||
Speed | J7 | J8 |
25MHz | Open | Closed |
33MHz | Closed | Open |
50iMHz | Open | Closed |
66iMHz | Closed | Open |