HP VECTRA 486ST PC Series Motherboard Settings and Configuration

Processor	80486DX/80486DX2
Processor Speed	33/66(internal)MHz
Chip Set	HP
Max. Onboard DRAM	64MB
Cache	None
BIOS	HP
Dimensions	275mm x 325mm
I/O Options	Bus mouse port, IDE interface, VGA port
NPU Options	None

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
»	BIOS write protect enabled	SW2	position 2
	BIOS write protect disabled (BIOS may be upgraded from disk)	SW2	position 1
»	Password check enabled	SW3/1	Off
	Password check disabled (password clear)	SW3/1	On
»	CMOS memory normal operation	SW3/2	Off
	CMOS memory clear	SW3/2	On
»	Security mode disabled (CMOS setup may be changed)	SW3/3	Off
	Security mode enabled (CMOS setup may not be changed)	SW3/3	On
Note:SW1 and SW2 are located on the main board (shown on previous page). SW3 is on the I/O Adapter Board (shown below).

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

VRAM CONFIGURATION
Size	Bank 0
512KB	NONE
1024KB	(4) 44256

VRAM SWITCH CONFIGURATION
Size	SW1/1
512KB	Off
1024KB	On