HEWLETT-PACKARD COMPANY

HP VECTRA 486ST PC Series

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