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 |