HEWLETT-PACKARD COMPANY
HP VECTRA 486U PC Series
Processor | 80486SX/80487SX/80486DX/80486DX2 |
Processor Speed | 25/33/50(internal)/66(internal)MHz |
Chip Set | HP |
Max. Onboard DRAM | 64MB |
Cache | None |
BIOS | HP |
Dimensions | 276mm x 325mm |
I/O Options | Bus mouse port, floppy interface, IDE interface, serial ports (2), parallel port, VGA port |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
VGA port | CN1 | Parallel port | CN4 |
Serial port 2 | CN2 | Bus mouse port | CN5 |
Serial port 1 | CN3 |
USER CONFIGURABLE SETTINGS | |||
Function | Switch | Position | |
» | Factory configured - do not alter | SW1/2 | Off |
» | Factory configured - do not alter | SW1/3 | Off |
» | VGA port enabled | SW1/4 | Off |
VGA port disabled | SW1/4 | On | |
» | CMOS memory normal operation | SW1/1 | Off |
CMOS memory clear | SW1/1 | On | |
» | Password check enabled | SW1/2 | Off |
Password check disabled (password clear) | SW1/2 | On | |
» | Security mode disabled (CMOS setup may be changed) | SW1/3 | Off |
Security mode enabled (CMOS setup may not be changed) | SW1/3 | On | |
» | BIOS write protect enabled | SW4 | position 2 |
BIOS write protect disabled (BIOS may be upgraded from disk) | SW4 | position 1 |
DRAM CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
4MB | (2) 512K x 36 | NONE | NONE | NONE |
8MB | (2) 512K x 36 | (2) 512K x 36 | NONE | NONE |
12MB | (2) 512K x 36 | (2) 512K x 36 | (2) 512K x 36 | NONE |
16MB | (2) 512K x 36 | (2) 512K x 36 | (2) 512K x 36 | (2) 512K x 36 |
16MB | (2) 2M x 36 | NONE | NONE | NONE |
20MB | (2) 2M x 36 | (2) 512K x 36 | NONE | NONE |
24MB | (2) 2M x 36 | (2) 512K x 36 | (2) 512K x 36 | NONE |
28MB | (2) 2M x 36 | (2) 512K x 36 | (2) 512K x 36 | (2) 512K x 36 |
32MB | (2) 2M x 36 | (2) 2M x 36 | NONE | NONE |
36MB | (2) 2M x 36 | (2) 2M x 36 | (2) 512K x 36 | NONE |
40MB | (2) 2M x 36 | (2) 2M x 36 | (2) 512K x 36 | (2) 512K x 36 |
48MB | (2) 2M x 36 | (2) 2M x 36 | (2) 2M x 36 | NONE |
52MB | (2) 2M x 36 | (2) 2M x 36 | (2) 2M x 36 | (2) 512K x 36 |
64MB | (2) 2M x 36 | (2) 2M x 36 | (2) 2M x 36 | (2) 2M x 36 |
CPU TYPE CONFIGURATION | |||
Type | SW3/1 | SW3/2 | SW3/3 |
80487SX-25MHz | Off | Off | Off |
ODP486SX-50MHz | Off | Off | Off |
ODP486SX-66MHz | Off | Off | On |
80486DX-33MHz | On | On | On |
80486DX2-50MHz | On | On | Off |
80486DX2-66MHz | On | On | On |
Note:Install the 80487SX or ODP486SX processors in the Upgrade CPU socket. |
VRAM CONFIGURATION | |
Size | Bank 0 |
512KB | NONE |
1024KB | (4) 44256 |
VRAM SWITCH CONFIGURATION | |
Size | SW1/1 |
512KB | Off |
1024KB | On |