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HP VECTRA 486N PC Series

HEWLETT-PACKARD COMPANY

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