HEWLETT-PACKARD COMPANY

VECTRA 486/U

Processor

80486SX/80487SX/80486DX/80486DX2

Processor Speed

25/33/50(internal)/66(internal)MHz

Chip Set

Unidentified

Max. Onboard DRAM

32MB

Cache

128KB (location unknown)

BIOS

Unidentified

Dimensions

355mm x 304mm

I/O Options

Bus mouse port, floppy drive interface, IDE interface, parallel port, serial ports (2), VGA port, VESA feature connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface LED

CN1

Serial port 2

CN7

Floppy drive interface

CN2

Serial port 1

CN8

Hard drive interface

CN3

VESA feature connector

CN9

Speaker

CN4

Parallel port

CN10

External battery

CN5

Control panel

CN11

VGA port

CN6

BIOS lock switch

SW1

USER CONFIGURABLE SETTINGS

Function

Switch

Position

Factory configured - do not alter

SW4/switch 2

Off

Factory configured - do not alter

SW4/switch 3

Off

Built in video disabled

SW4/switch 4

On

Built in video enabled

SW4/switch 4

Off

CPU SPEED SELECTION-- INTEL CPU

Speed

SW3/switch 1

SW3/switch 2

SW3/switch 3

25MHz

Off

Off

Off

33MHz

On

On

On

50iMHz

On

On

Off

66iMHz

On

On

On

CPU SPEED SELECTION-- HEWLETT PACKARD CPU

Speed

SW3/switch 1

SW3/switch 2

SW3/switch 3

25MHz

On

Off

Off

33MHz

On

Off

On

50iMHz

On

Off

Off

66iMHz

On

Off

On

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 4

4MB

(2) 512K x 36

NONE

NONE

NONE

8MB

(2) 512K x 36

(2) 512K x 36

NONE

NONE

16MB

(2) 512K x 36

(2) 512K x 36

(2) 512K x 36

(2) 512K x 36

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) 2M x 36

NONE

48MB

(2) 2M x 36

(2) 8M x 36

(2) 8M x 36

NONE

52MB

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

64MB

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

PASSWORD AND CONFIGURATION SWITCHES

SW2

Function

Closed

Open

1

Clear configuration

Clear CMOS

Retain CMOS

2

Erase power-on password

Erase password

Retain password

3

Lock configuration

No configuration change

Configuration can change

VIDEO CONFIGURATION

Size

Bank 0

Bank 1

SW4/1

512KB

(2) 256K x 4

NONE

OFF

1MB

(2) 256K x 4

(2) 256K x 4

ON