HEWLETT-PACKARD COMPANY

HP VECTRA 500 MODEL 520 (TYPE A),

MODEL 525 (TYPE A)

Device Type

Mainboard

Processor

Pentium

Processor Speed

100/120/133/150/166MHz

Chip Set

Unidentified

Video Chip Set

Unidentified

Maximum Onboard Memory

192MB (EDO supported) Unified Memory Architecture (UMA)

Cache

256KB

BIOS

Unidentified

Dimensions

275mm x 205mm

I/O Options

Floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), cache slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

3.3v power

C1

PS/2 mouse port

CN5

Status panel connector

C2

IDE interface 1

CN6

Start connector

C3

IDE interface 2

CN7

5v power

C4

Floppy drive interface

CN8

VGA port

CN1

VGA feature connector

CN9

Serial port 2

CN2

External battery

J1

Serial port 1

CN3

Cache slot

SL1

Parallel port

CN4

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Keyboard power down enabled

JP4

Closed

 

Keyboard power down disabled

JP4

Open

»

Flash BIOS enabled

SW1/1

Off

 

Flash BIOS disabled

SW1/1

On

»

CMOS memory normal operation

SW1/2

Off

 

CMOS memory clear

SW1/2

On

»

Password normal operation

SW1/3

Off

 

Password clear

SW1/3

On

SIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

16MB

(2) 2M x 36

None

None

32MB

(2) 2M x 36

(2) 2M x 36

None

32MB

(2) 4M x 36

None

None

48MB

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

64MB

(2) 4M x 36

(2) 4M x 36

None

64MB

(2) 8M x 36

None

None

96MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

None

128MB

(2) 16M x 36

None

None

144MB

(2) 16M x 36

(2) 2M x 36

None

SIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

160MB

(2) 16M x 36

(2) 2M x 36

(2) 2M x 36

160MB

(2) 16M x 36

(2) 4M x 36

None

192MB

(2) 16M x 36

(2) 4M x 36

(2) 4M x 36

192MB

(2) 16M x 36

(2) 8M x 36

None

192MB

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

Note: Board accepts EDO memory.

CACHE CONFIGURATION

Size

SL1

256KB

256KB module installed

CACHE JUMPER CONFIGURATION

Type

J6

»

Synchronous

Pins 2 & 3 closed

 

Asynchronous

Pins 1 & 2 closed

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

J7

SW2/1

SW2/2

100MHz

66MHz

1.5x

3 & 4

Off

Off

120MHz

60MHz

2x

1 & 3

On

Off

133MHz

66MHz

2x

3 & 4

On

Off

150MHz

60MHz

2.5x

1 & 3

On

On

166MHz

66MHz

2.5x

3 & 4

On

On

Note: Pins designated should be in the closed position.