HP VECTRA 486N PC Series Motherboard Settings and Configuration

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HP VECTRA 486N PC Series

Processor
80486SX/80487SX/80486DX/80486DX2
Processor Speed
16/20/25/33/50(internal)/66(internal)MHz
Chip Set
HP
Max. Onboard DRAM
48MB
Cache
None
BIOS
HP
Dimensions
330mm x 218mm
I/O Options
Bus mouse port, floppy interface, IDE interface, parallel port, riser card slot, serial ports (2), VGA port
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
VGA port
CN1
Parallel port
CN4
Serial port 2
CN2
Bus mouse
CN5
Serial port 1
CN3
Riser card
S1

USER CONFIGURABLE SETTINGS
Function
Switch
Position
»
I/O controller index select 0388h and data address select 0398h
SWA/3
Off

I/O controller index select 026Fh and data address select 026Eh
SWA/3
On
»
ROM setup write enabled
SWA/4
Off

ROM setup write disabled
SWA/4
On
»
IRQ12 select mouse port (CN5)
SWB/1
Off

IRQ12 disabled
SWB/1
On
»
IRQ9 disabled
SWB/2
Off

IRQ9 select VGA port
SWB/2
On
»
VGA port enabled
SWB/3
Off

VGA port disabled
SWB/3
On
»
Password check enabled
SWB/4
Off

Password check disabled (password clear)
SWB/4
On
»
CMOS memory normal operation
SWB/5
Off

CMOS memory clear
SWB/5
On
»
Security mode disabled (CMOS setup may be changed)
SWB/6
Off

Security mode enabled (CMOS setup may not be changed)
SWB/6
On
»
CPU upgrade socket disabled (CPU upgrade not installed)
SWB/8
Off

CPU upgrade socket enabled (CPU upgrade installed)
SWB/8
On

DRAM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
4MB
(1) 1M x 36
NONE
NONE
6MB
(1) 1M x 36
(1) 512K x 36
NONE
8MB
(1) 1M x 36
(1) 1M x 36
NONE
10MB
(1) 1M x 36
(1) 1M x 36
(1) 512K x 36
12MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
14MB
(1) 1M x 36
(1) 2M x 36
(1) 512K x 36
16MB
(1) 1M x 36
(1) 2M x 36
(1) 1M x 36
20MB
(1) 1M x 36
(1) 2M x 36
(1) 2M x 36
22MB
(1) 1M x 36
(1) 4M x 36
(1) 512K x 36
24MB
(1) 1M x 36
(1) 4M x 36
(1) 1M x 36
28MB
(1) 1M x 36
(1) 4M x 36
(1) 2M x 36
36MB
(1) 1M x 36
(1) 4M x 36
(1) 4M x 36
48MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36

CPU SPEED CONFIGURATION
Speed
SWA/1
SWA/2
16MHz
Off
Off
20MHz
On
Off
25MHz
On
On
33MHz
On
On
50iMHz
On
On
66iMHz
On
On

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

VIDEO SWITCH CONFIGURATION
Size
SWB/7
512KB
Of
1024KB
Off

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HP VECTRA 486N PC Series Motherboard Settings and Configuration

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Processor	80486SX/80487SX/80486DX/80486DX2
Processor Speed	16/20/25/33/50(internal)/66(internal)MHz
Chip Set	HP
Max. Onboard DRAM	48MB
Cache	None
BIOS	HP
Dimensions	330mm x 218mm
I/O Options	Bus mouse port, floppy interface, IDE interface, parallel port, riser card slot, serial ports (2), VGA port
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
VGA port	CN1	Parallel port	CN4
Serial port 2	CN2	Bus mouse	CN5
Serial port 1	CN3	Riser card	S1

USER CONFIGURABLE SETTINGS
Function		Switch	Position
»	I/O controller index select 0388h and data address select 0398h	SWA/3	Off
	I/O controller index select 026Fh and data address select 026Eh	SWA/3	On
»	ROM setup write enabled	SWA/4	Off
	ROM setup write disabled	SWA/4	On
»	IRQ12 select mouse port (CN5)	SWB/1	Off
	IRQ12 disabled	SWB/1	On
»	IRQ9 disabled	SWB/2	Off
	IRQ9 select VGA port	SWB/2	On
»	VGA port enabled	SWB/3	Off
	VGA port disabled	SWB/3	On
»	Password check enabled	SWB/4	Off
	Password check disabled (password clear)	SWB/4	On
»	CMOS memory normal operation	SWB/5	Off
	CMOS memory clear	SWB/5	On
»	Security mode disabled (CMOS setup may be changed)	SWB/6	Off
	Security mode enabled (CMOS setup may not be changed)	SWB/6	On
»	CPU upgrade socket disabled (CPU upgrade not installed)	SWB/8	Off
	CPU upgrade socket enabled (CPU upgrade installed)	SWB/8	On

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2
4MB	(1) 1M x 36	NONE	NONE
6MB	(1) 1M x 36	(1) 512K x 36	NONE
8MB	(1) 1M x 36	(1) 1M x 36	NONE
10MB	(1) 1M x 36	(1) 1M x 36	(1) 512K x 36
12MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
14MB	(1) 1M x 36	(1) 2M x 36	(1) 512K x 36
16MB	(1) 1M x 36	(1) 2M x 36	(1) 1M x 36
20MB	(1) 1M x 36	(1) 2M x 36	(1) 2M x 36
22MB	(1) 1M x 36	(1) 4M x 36	(1) 512K x 36
24MB	(1) 1M x 36	(1) 4M x 36	(1) 1M x 36
28MB	(1) 1M x 36	(1) 4M x 36	(1) 2M x 36
36MB	(1) 1M x 36	(1) 4M x 36	(1) 4M x 36
48MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36

CPU SPEED CONFIGURATION
Speed	SWA/1	SWA/2
16MHz	Off	Off
20MHz	On	Off
25MHz	On	On
33MHz	On	On
50iMHz	On	On
66iMHz	On	On

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

VIDEO SWITCH CONFIGURATION
Size	SWB/7
512KB	Of
1024KB	Off