HEWLETT-PACKARD COMPANY

HP VECTRA RS PC Series

Processor

80386DX

Processor Speed

16/20/25/33MHz

Chip Set

HP

Max. Onboard DRAM

16MB

Cache

None

BIOS

HP

Dimensions

320mm x 159mm

I/O Options

32-bit local bus backplane connector

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

32-bit local bus backplane

CN1

USER CONFIGURABLE SETTINGS

Function

Switch

Position

»

NPU disabled

SW1/1

On

 

NPU enabled

SW1/1

Off

»

Bus speed select asynchronous with CPU

SW1/2

On

 

Bus speed select synchronous with CPU

SW1/2

Off

»

Base memory size select 640KB

SW1/3

On

 

Base memory size select 512KB

SW1/3

Off

»

Optional ROM enabled (see note)

SW1/4

On

 

Optional ROM disabled (see note)

SW1/4

Off

»

Factory configured - do not alter

SW1/5

On

»

Factory configured - do not alter

SW1/6

On

Note:Leave SW1/switch 4 in the closed position. Boards with a serial number less than 2947 will not boot if SW1/switch 4 is in the open position and there are no Optional ROMs installed.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(4) 256K x 9

NONE

NONE

NONE

2MB

(4) 256K x 9

(4) 256K x 9

NONE

NONE

4MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

NONE

NONE

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

10MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

16MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9