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Familiarization Guide

HP Vectra VE

5/xxx series 3 PC

HP Vectra VE PC

Notice

The information contained in this document is subject to change without notice.

Hewlett-Packard makes no warranty of any kind with regard to this

material, including, but not limited to, the implied warranties of

merchantability and fitness for a particular purpose.

Hewlett-Packard shall not be liable for errors contained herein or for incidental

or consequential damages in connection with the furnishing, performance, or use

of this material.

Hewlett-Packard assumes no responsibility for the use or reliability of its

software on equipment that is not furnished by Hewlett-Packard.

This document contains proprietary information that is protected by copyright.

All rights are reserved. No part of this document may be photocopied,

reproduced, or translated to another language without the prior written consent

of Hewlett-Packard Company.

Centronics® is a registered trademark of Centronics Data Computer

Corporation.

Microsoft®, Windows® and MS-DOS® are registered trademarks of the

Microsoft Corporation.

Novell® and Netware® are registered trademarks of Novell Inc.

OS/2TM is a trademark of International Business Machines Corporation.

NextStepTM is a trademark of Next Incorporated.

PentiumTM is a trademark of Intel Corporation.

SCO UNIX® is a registered trademark of the Santa Cruz Operation.

SolarisTM is a trademark of Sun Microsystems Incorporated.

SoundBlasterTM is a trademark of Creative Technology Limited.

Hewlett-Packard France

Grenoble Personal Computer Division

Technical Marketing

38053 Grenoble Cedex 9

France

1996 Hewlett-Packard Company

Contents

iii

1 Product Features

External Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2 Product-Specific Tasks

System Board Connectors and Switches . . . . . . . . . . . . . . . . . . . . . . . 4

HP Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Backplane. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

New Architecture: UMA / SFB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Replacing the System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Installing Main Memory Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

A Final Test

Draw a Circle Around Each Correct Answer . . . . . . . . . . . . . . . . . . 12

B Answers to the Final Test

Answers and Explanations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Contents

iv

1

1

Product Features

This guide is for experienced technicians who have already completed the

HP Vectra PC family training course. It is a self-paced training guide

designed to train you to repair the PC. It solely contains information specific

to the repair of these PCs. For information on the installation of accessories,

see the User’s Guide and the Online documents that are supplied with the

PC.

2

1 Product Features

External Features

External Features

Product information

Front logo does

not carry processor speed

or series information

now appears on new

serial number label

Wty: WBK@

Sup: SAB@

Model VE 5/133 series 3

Prod: D4072A #ABU

S/N: FR63412345

Mouse Keyboard Parallel Port Serial Port A Serial Port B Display

Vacant shelf

Vacant shelf

for CD-ROM and

5.25-inch devices)

for 2nd hard disk

and 3.5-inch devices)

Switch and jumper

settings label

3

2

Product-Specific Tasks

• layout of the system board

• HP Off

• layout of the backplane

• configuring the video memory area of main memory

• procedures when replacing the system board

• procedures when installing main memory modules.

4

2 Product-Specific Tasks

System Board Connectors and Switches

System Board Connectors and Switches

HP Off

If the user presses the power button on the control panel, HP Off (under

Windows 95) first checks if there are any unsaved files. If there are, it offers

three choices: yes (to saving the unsaved changes, followed by shutdown),

no (to saving the unsaved changes, but shutdown anyway), and cancel (to

return to normal operation).

HDD (not recommended for use for CD-ROM)

CD-ROM

FDD

JP4 (Keyboard

power-on jumper) J7 (CPU bus

freq. jumper)

J15 (Product Flag

jumper)

J6 (sync/async

cache jumper)

SW2 (bus/CPU freq

ratio switch)

Pentium Processor

(Vcc standard, STD,

processors only.

There is no voltage

regulator module,

VRM)

Cache memory socket

SW1 (security feature switches)

See pages 9-10 for

allowed memory

configurations

5

2 Product-Specific Tasks

Backplane

Backplane

NOTE Anticipate the customer’s upgrade needs.

With memory banks A, B and C filled,

no ISA board fits in the lowermost

slot (unless it is less than 9 cm wide,

3.6 inches).

With memory banks A and B filled,

only XT boards fit in the lowermost

ISA slot (10.7 cm wide, 4.2 inches). XT

With only memory bank A filled, any

ISA board will fit in the lowermost

slot: AT boards (12.2 cm wide, 4.8

inches) or XT boards (10.7 cm wide,

4.2 inches).

AT

6

2 Product-Specific Tasks

New Architecture: UMA / SFB

New Architecture: UMA / SFB

Key Points • DRAM is shared between Video RAM and System RAM.

• There is no dedicated video RAM on the system board.

• A portion of the main memory is used as frame buffer (video memory). It

is non-trivial to determine exactly into which physical memory chips the

BIOS will place the video memory (that is, where it will be position in the

memory map).

• The size of the video memory is configured by software only. There

is no specific video memory upgrade to add.

• Increasing the amount of video memory causes the amount of main

memory available for system use to be reduced:

• The default setting is for 1 MB video memory. This can be increased to

2MB.

• If an external video board is present, with its own video memory, the full

amount of main memory is allocated for use as system memory.

Configuring the Video Memory Size

Windows 95 only The following illustration depicts the control display that allows the amount

of video memory to be changed.

1In the “Control Panel”

2Select “Display”

3Select “HP Dynamic Video”

The HP Vectra VE 5/xxx series 3 PC does not have dedicated video

memory. It has a Unified Memory Architecture (UMA) and uses a Shared

Frame Buffer (SFB). The SiS 6205 video controller uses a reserved portion

of the main memory.

SystemMemory = MainMemory - VideoMemory