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 |