4000/XE SERIES Motherboard Settings and Configuration
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. |
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