DELL COMPUTER CORPORATION
SYSTEM V486/50/66 FS
Processor |
80486DX2 |
Processor Speed |
50(internal)/66(internal)MHz |
Chip Set |
LSI |
Max. Onboard DRAM |
64MB |
Cache |
128KB |
BIOS |
Unidentified |
Dimensions |
330mm x 218mm |
I/O Options |
Floppy drive interface, IDE interface, parallel interface, PS/2 mouse interface, serial ports (2), VGA feature connector |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
CN1 |
Floppy drive interface |
CN6 |
IDE interface LED |
CN2 |
Parallel port |
CN7 |
Chassis fan power |
CN3 |
Serial port |
CN8 |
VGA feature connector |
CN4 |
PS/2 mouse interface |
CN9 |
IDE interface |
CN5 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
Mouse connector enabled ( uses IRQ12) |
J1 |
Closed |
Mouse connector disabled |
J1 |
Open | |
» |
I/O address select (26Eh-26Fh) |
J2 |
Closed |
I/O address select (398h-399h) |
J2 |
Open | |
» |
Factory configured - do not alter |
J3 |
Open |
» |
Factory configured - do not alter |
J4 |
Closed |
» |
CMOS memory normal operation |
J5 |
Closed |
CMOS memory clear |
J5 |
Open | |
» |
Internal VGA enabled |
J6 |
Closed |
Internal VGA disabled |
J6 |
Open | |
» |
Factory configured - do not alter |
J7 |
Open |
» |
Factory configured - do not alter |
J8 |
Open |
» |
Factory configured - do not alter |
J11 |
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) 1M x 36 |
(1) 4M x 36 |
NONE |
NONE |
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
28MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
36MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
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 |
52MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
CPU SPEED CONFIGURATION | ||
Size |
J9 |
J10 |
25MHz |
Closed |
Open |
33MHz |
Open |
Closed |
50iMHz |
Closed |
Open |
66iMHz |
Open |
Closed |