DELL COMPUTER CORPORATION
4000/XE SERIES
|
Processor |
80486DX/80486DX2/Pentium (with pentium processor upgrade board) |
|
Processor Speed |
25/33/50(internal)/60/66(internal)MHz |
|
Chip Set |
Intel |
|
Max. Onboard DRAM |
128MB |
|
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, riser card, serial ports (2),VGA port |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
VGA port |
CN1 |
IDE interface |
CN6 |
|
Parallel port |
CN2 |
Floppy drive interface |
CN7 |
|
Serial port 2 |
CN3 |
Riser Card |
CN8 |
|
Serial port 1 |
CN4 |
Cache card connector |
CN9 |
|
PS/2 mouse port |
CN5 |
External battery |
JBAT |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Factory configured - do not alter |
30MHz |
N/A |
|
|
AT ROM card disabled |
ATRM |
Open |
|
AT ROM card enabled |
ATRM |
Closed | |
|
|
System video BIOS clear disabled |
CLRB |
Open |
|
System video BIOS clear enabled |
CLRB |
Closed | |
|
|
EISA configuration utility settings are enabled |
CLRE |
Open |
|
EISA configuration utility settings are disabled |
CLRE |
Closed | |
|
|
Flash BIOS & EISA configuration utlity upgraded by floppy |
EFLU |
Closed |
|
Flash BIOS & EISA configuration utlity not upgraded by floppy |
EFLU |
Open | |
|
|
Password feature enabled |
EPWD |
Closed |
|
Password feature disabled |
EPWD |
Open | |
|
|
Monitor type select VGA enabled |
EVGA |
Closed |
|
Monitor type select VGA disabled |
EVGA |
Open | |
|
|
I/O controller uses address 26Eh-26Fh |
IOALT |
Open |
|
I/O controller uses address 398h-399h |
IOALT |
Closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
2MB |
(2) 256K x 36 |
NONE |
|
4MB |
(2) 256K x 36 |
(2) 256K x 36 |
|
4MB |
(2) 512K x 36 |
NONE |
|
8MB |
(2) 512K x 36 |
(2) 512K x 36 |
|
8MB |
(2) 1M x 36 |
NONE |
|
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
|
16MB |
(2) 2M x 36 |
NONE |
|
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
|
32MB |
(2) 4M x 36 |
NONE |
|
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
|
64MB |
(2) 16M x 36 |
NONE |
|
128MB |
(2) 16M x 36 |
(2) 16M x 36 |
|
VIDEO MEMORY CONFIGURATION | |
|
Size |
VRAM |
|
1MB |
(4) 44256 |
|
Note:System comes with 512KB installed. | |
|
CPU SPEED CONFIGURATION | ||
|
Speed |
25MHz |
33MHz |
|
80486DX/25MHz |
Closed |
Open |
|
80486DX2/33MHz |
Open |
Closed |
|
80486DX/50i MHz |
Closed |
Open |
|
80486DX2/66i MHz |
Open |
Closed |
|
MISCELLANEOUS TECHNICAL NOTE |
|
Pentium processor upgrade board replaces existing processor and has no jumpers. The external cache is not required as 256KB cache is included on the upgrade board. |