HP COMPAQ DX7300 User Manual

service reference guide

HP Compaq dx7300 Business PC

1st Edition

This document provides information on the removal and replacement of all parts as well as information on troubleshooting, Desktop Management, setup utilities, PATA and SATA drives, safety, routine care, connector pin assignments, POST error messages, and diagnostic indicator lights.

Document Part Number 433611- 001

Service Reference Guide

HP Compaq dx7300 Business PC

1st Edition

Document Part Number: 433611- 001

September 2006

Microsoft, MS-DOS, Windows, Windows NT, and Windows XP are trademarks of Microsoft Corporation in the U.S. and other countries.

Intel is a trademark of Intel Corporation in the U.S. and other countries.

UNIX is a registered trademark of The Open Group.

The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.

This document contains proprietary information that is protected by copyright. No part of this document may be photocopied, reproduced, or translated to another language without the prior written consent of Hewlett-Packard Company.

WARNING: Text set off in this manner indicates that failure to follow directions could result in bodily

harm or loss of life.

CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to

equipment or loss of information.

Service Reference Guide

HP Compaq dx7300 Business PC

First Edition (September 2006)

Document Part Number: 433611-001

Contents

1 Installing the Operating System

1.1 Installing or Upgrading Device Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–1

1.2 Transferring Files and Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2

1.3 Creating a Disc Recovery Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2

2 Setup Utilities and Diagnostics Features

2.1 Power-On Self-Test (POST) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1

2.2 Computer Setup Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–2

2.2.1 Using Computer Setup (F10) Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–3

2.2.2 Computer Setup Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–4

2.2.3 Recovering the Configuration Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–14

2.3 HP Insight Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–14

2.3.1 Accessing HP Insight Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–15

2.3.2 Survey Tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–15

2.3.3 Test Tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–16

2.3.4 Status Tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–17

2.3.5 Log Tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–17

2.3.6 Help Tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–17

2.3.7 Saving and Printing Information in HP Insight Diagnostics . . . . . . . . . . . . . . . . . . . . . . 2–18

2.3.8 Downloading the Latest Version of HP Insight Diagnostics . . . . . . . . . . . . . . . . . . . . . . 2–18

3Desktop Management

3.1 Initial Configuration and Deployment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–1

3.1.1 HP OpenView Agent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–2

3.1.2 Altiris Deployment Solution Agent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–2

3.1.3 HP Backup and Recovery Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–2

3.2 Remote System Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–3

3.3 Software Updating and Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–3

3.3.1 HP Client Management Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–3

3.3.2 HP System Software Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–4

3.3.3 HP Client Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–4

3.3.4 HP ProtectTools Security Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–5

3.3.5 HP Client Premium Suite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–5

3.3.6 HP Client Foundation Suite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–5

3.3.7 HP OpenView Client Configuration Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–6

3.3.8 HP OpenView PC Configuration Management Solutions . . . . . . . . . . . . . . . . . . . . . . . . . 3–6

3.3.9 Intel vPro-branded PCs with Active Management Technology. . . . . . . . . . . . . . . . . . . . . 3–7

3.3.10Proactive Change Notification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–8

3.3.11Subscriber’s Choice. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–9

3.3.12Retired Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–9

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Contents

3.4 ROM Flash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–9

3.4.1 Remote ROM Flash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–9

3.4.2 HPQFlash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–10

3.4.3 Boot Block Emergency Recovery Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–10

3.4.4 Replicating the Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–11

3.4.5 Dual-State Power Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–15

3.4.6 HP Web Site Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–16

3.4.7 Industry Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–16

3.5 Asset Tracking and Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–16

3.5.1 Password Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–19

3.5.2 Establishing a Setup Password Using Computer Setup . . . . . . . . . . . . . . . . . . . . . . . . . . 3–19

3.5.3 Establishing a Power-On Password Using Computer Setup . . . . . . . . . . . . . . . . . . . . . . 3–20

3.5.4 DriveLock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–22

3.5.5 Smart Cover Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–24

3.5.6 Cable Lock Provision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–25

3.5.7 Fingerprint Identification Technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–26

3.6 Fault Notification and Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–26

3.6.1 Drive Protection System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–26

3.6.2 Surge-Tolerant Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–26

3.6.3 Thermal Sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–26

4 Serial and Parallel ATA Drive Guidelines and Features

4.1 SATA Hard Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–1

4.2 SATA Hard Drive Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–2

4.2.1 SATA Data Cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–2

4.2.2 SATA Power Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–2

4.3 PATA Device Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–3

4.4 ATA SMART Drives. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–3

4.5 Hard Drive Capacities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–3

5 Identifying the Chassis, Routine Care, and Disassembly Preparation

5.1 Chassis Designations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–1

5.1.1 Microtower (MT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–1

5.1.2 Slim Tower (ST). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–2

5.2 Electrostatic Discharge Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–3

5.2.1 Generating Static . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–3

5.2.2 Preventing Electrostatic Damage to Equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–3

5.2.3 Personal Grounding Methods and Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–4

5.2.4 Grounding the Work Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–4

5.2.5 Recommended Materials and Equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–4

5.3 Operating Guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–5

5.4 Routine Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–5

5.4.1 General Cleaning Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–5

5.4.2 Cleaning the Computer Case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–6

5.4.3 Cleaning the Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–6

5.4.4 Cleaning the Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–7

5.4.5 Cleaning the Mouse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–7

5.5 Service Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–7

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5.5.1 Power Supply Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–7

5.5.2 Tools and Software Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–7

5.5.3 Screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–8

5.5.4 Cables and Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–8

5.5.5 Hard Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–8

5.5.6 Lithium Coin Cell Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–9

6 Removal and Replacement Procedures— Microtower (MT) Chassis

6.1 Preparation for Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–1

6.2 External Security Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–2

6.2.1 Installing a Cable Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–2

6.2.2 Installing a Padlock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–3

6.3 Access Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–4

6.4 Front Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–5

6.5 Front Drive Bezels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–7

6.5.1 5.25" Drive Bezel Blank. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–7

6.5.2 Diskette Drive Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–8

6.5.3 3.5" Drive Bezel Blank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–8

6.6 Cable Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–9

6.6.1 Cable Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–10

6.7 Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–11

6.8 Expansion Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–13

6.9 Drives. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–17

6.9.1 Drive Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–17

6.9.2 Removing a Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–18

6.9.3 Installing a Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–20

6.10Chassis Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–23

6.11Front I/O Panel Housing Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–24

6.12Front I/O Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–25

6.13Power Switch Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–26

6.14Heatsink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–27

6.15Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–29

6.16Speaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–31

6.17Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–32

6.18System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–34

6.19Battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–35

6.19.1Type 1 Battery Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–36

6.19.2Type 2 Battery Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–37

6.19.3Type 3 Battery Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–38

Contents

7 Removal and Replacement Procedures— Slim Tower (ST) Chassis

7.1 Preparation for Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–1

7.2 Unlocking the Smart Cover Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–3

7.3 Hood Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–5

7.4 External Security Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–6

7.4.1 Security Clip. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–6

7.4.2 Cable Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–6

7.4.3 Padlock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–7

Service Reference Guide, dx7300 433611-001 v

Contents

7.5 Computer Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–8

7.6 Front Drive Bezels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–9

7.7 Cable Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–11

7.7.1 Cable Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–12

7.8 Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–13

7.9 Vertically Oriented Expansion Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–14

7.9.1 Expansion Card Retainer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–14

7.9.2 PCI Expansion Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–15

7.9.3 PCI Express Expansion Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–17

7.10PCI Riser Card Assembly and Backwall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–18

7.11Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–24

7.11.1Drive Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–24

7.11.2Optical Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–25

7.11.3External 3.5-inch Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–27

7.11.4Primary Hard Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–29

7.12Fan Shroud . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–33

7.13Front I/O Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–34

7.14Heatsink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–35

7.15Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–36

7.16Speaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–38

7.17Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–39

7.18Chassis Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–41

7.19System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–42

7.20Drive Clutch Components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–45

7.21Power Switch Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–47

7.22Battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–48

7.22.1Type 1 Battery Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–49

7.22.2Type 2 Battery Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–50

7.22.3Type 3 Battery Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–51

A Connector Pin Assignments

B Power Cord Set Requirements

C POST Error Messages

D Troubleshooting Without Diagnostics

E System Board and Riser Board Reference Designators

FMemory

Index

vi 433611-001 Service Reference Guide, dx7300

Installing the Operating System

CAUTION: Do not add optional hardware or third-party devices to your computer until the operating

system is successfully installed. Doing so may cause errors and may prevent the operating system from installing properly.

Once the automatic installation has begun, DO NOT TURN OFF THE COMPUTER UNTIL THE PROCESS IS COMPLETE. Turning off the computer during the installation process might damage the software that runs the computer or prevent its proper installation.

Be sure there is a 10.2-cm (4-inch) clearance at the back of the unit and above the monitor to

✎

permit the required airflow.

The first time the computer is turned on, the operating system is automatically installed. This takes approximately 10 minutes, depending on the operating system being installed. Carefully read and follow the instructions that appear on the screen to complete the installation.

If the computer shipped with more than one operating system language on the hard drive, the

✎

installation process could take up to 60 minutes.

If the computer was not shipped with a Microsoft operating system, some portions of this documentation do not apply. For complete operating system installation and configuring instructions, refer to the operating system documentation. Additional information is available in online help.

Microsoft security updates are available on the Microsoft Web site.

1.1 Installing or Upgrading Device Drivers

To install optional hardware devices after the operating system installation is complete, the drivers for each of the devices must also be installed.

If prompted for the I386 directory, replace the path specification with C:\i386, or use the Browse button in the dialog box to locate the i386 folder. This action points the operating system to the appropriate drivers.

Obtain the latest support software, including support software for the operating system from

www.hp.com/support. Select the appropriate country and language then, select Download

drivers and software, enter the model number of the computer, and press

You can also obtain the latest support software on CDs. The following Web site provides information on how to purchase a support software CD subscription:

http://h18000.www1.hp.com/support/files/desktops/us/purchase.html.

If the computer has a writable optical drive, install the appropriate application to be able to write

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to the drive.

Enter.

Service Reference Guide, dx7300 433611-001 1–1

Installing the Operating System

1.2 Transferring Files and Settings

Use the Microsoft Windows XP Files and Settings Transfer Wizard to move files and settings from an old computer to a new one. Click Start > All Programs > Accessories > System Tools > Files and Settings Transfer Wizard. Follow the wizard to transfer the files and settings to the new computer.

1.3 Creating a Disc Recovery Set

CAUTION: HP no longer ships the Restore Plus! CD with PCs. Instead, HP Backup and Recovery

Manager is pre-loaded on each system. HP recommends the creation of a recovery CD as soon as the computer has been set up. Creating the Restore Plus! CD set is important in the event that you ever need to restore the system hard drive to its factory installed state.

HP Backup and Recovery Manager can create the Restore Plus CD set, This set includes the Restore Plus CD, the Operating System CD, and any Supplemental Software CDs.

CAUTION: The Restore Plus CD set will not include any system settings or user data created after the

initial system setup.

T o create the Restore Plus CD set:

1. Click Start > HP Backup and Recovery > HP Backup and Recovery Manager to open the Backup and Recovery Wizard, then click Next.

2. Select Create factory software recovery CDs or DVDs to recover the system.

3. Follow the instructions in the wizard.

The HP Backup and Recovery Manager can be used to back up data and system files to the hard drive, to network drives, or to removable media, such as CDs, DVDs, or flash media. If data or system files are lost, deleted, or corrupted, Backup and Recovery Manager allows you to retrieve data or restore the last good system image.

CAUTION: HP recommends that a backup schedule be created immediately to ensure continued system

and data protection. Automatic backups can be scheduled using the HP Backup and Recovery Wizard. Recovery Points, Entire Drive Backups, and File Backups can be automatically backed up without user intervention. HP recommends scheduling Recovery Points Backups to provide the most comprehensive coverage.

If HP Backup and Recovery Manager is preinstalled, the Restore Plus CD set and the initial

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recovery point may be saved to disc as often as necessary, but only a single copy of the Microsoft Windows CD can be created, due to licensing constraints.

You can access a user manual at Start > HP Backup and Recovery > HP Backup and

Recovery Manager Manual.

If Create factory software recovery CDs or DVDs to recover the system is unavailable on the

system, the HP Restore Plus CD set can be obtained through product support on

http://welcome/country/us/en/contact_us.html.

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Setup Utilities and Diagnostics Features

Setup Utilities (F10) and diagnostic features provide information needed about the computer system when contacting Customer Support. These tools can also be used to:

■ Change factory default settings and to set or change the system configuration, which may be

necessary when you add or remove hardware.

■ Determine if all of the devices installed on the computer are recognized by the system and

functioning properly.

■ Determine information about the operating environment of the computer.

■ Solve system configuration errors detected but not automatically fixed during the Power-On

Self-Test (POST).

■ Establish and manage passwords and other security features.

■ Establish and manage energy-saving timeouts.

All features identified in this chapter may not be available on all HP products.

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2.1 Power-On Self-Test (POST)

POST is a series of diagnostic tests that runs automatically when the system is turned on. POST checks the following items to ensure that the computer system is functioning properly:

■ Keyboard

■ Memory modules

■ All mass storage devices

■ Processors

■ Controllers

If the Power-On Password is set, a key icon appears on the screen while POST is running. You

✎

will need to enter the password before continuing. Refer to Section 3.5, “Asset Tracking and

Security” for information on setting, deleting, or bypassing the password.

If POST finds an error in the system, an audible and/or visual message occurs. For POST error messages and their solutions refer to Appendix C, “POST Error Messages.”

Service Reference Guide, dx7300 433611-001 2–1

Setup Utilities and Diagnostics Features

2.2 Computer Setup Utilities

Use Computer Setup Utilities (F10) to:

■ Change factory default settings.

■ Set the system date and time.

■ Set, view, change, or verify the system configuration, including settings for processor,

graphics, memory, audio, storage, communications, and input devices.

■ Modify the boot order of bootable devices such as hard drives, diskette drives, optical drives,

or USB flash media devices.

■ Enable Quick Boot, which is faster than Full Boot but does not run all of the diagnostic tests

run during a Full Boot. You can set the system to:

❏ always Quick Boot (default);

❏ periodically Full Boot (from every 1 to 30 days); or

❏ always Full Boot.

■ Select Post Messages Enabled or Disabled to change the display status of Power-On

Self-Test (POST) messages. Post Messages Disabled suppresses most POST messages, such as memory count, product name, and other non-error text messages. If a POST error occurs, the error is displayed regardless of the mode selected. To manually switch to Post Messages Enabled during POST, press any key (except

F1 through F12).

■ Establish an Ownership Tag, the text of which is displayed each time the system is turned on

or restarted.

■ Enter the Asset Tag or property identification number assigned by the company to this

computer.

■ Enable the power-on password prompt during system restarts (warm boots) as well as during

power-on.

■ Establish a setup password that controls access to Computer Setup (F10) Utility and the

settings described in this section.

■ Secure integrated I/O functionality, including the serial, USB, or parallel ports, audio, or

embedded NIC, so that they cannot be used until they are unsecured.

■ Enable or disable removable media boot ability.

■ Enable or disable legacy diskette write ability (when supported by hardware).

■ Solve system configuration errors detected but not automatically fixed during the Power-On

Self-Test (POST).

■ Replicate the system setup by saving system configuration information on diskette and

restoring it on one or more computers.

■ Execute self-tests on a specified ATA hard drive (when supported by drive).

■ Enable or disable DriveLock security (when supported by drive).

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2.2.1 Using Computer Setup (F10) Utilities

Computer Setup can be accessed only by turning on the computer or restarting the system. To access the Computer Setup Utilities menu, complete the following steps:

1. Turn on or restart the computer. If you are in Windows, click Start >Shut Down >Restart.

Setup Utilities and Diagnostics Features

2. As soon as the computer is turned on, press Computer Setup. Press

If you do not press the F10 key at the appropriate time, you must restart the computer and again

✎

press F10 when the monitor light turns green.

3. Select your language from the list and press the

4. A choice of five headings appears in the Computer Setup Utilities menu: File, Storage, Security, Power, and Advanced.

5. Use the arrow (left and right) keys to select the appropriate heading. Use the arrow (up and down) keys to select the option you want, then press Utilities menu, press

6. To apply and save changes, select File > Save Changes and Exit.

❏ If you have made changes that you do not want applied, select Ignore Changes and

Exit.

❏ To reset to factory settings or previously saved default settings, select Set Defaults and

Exit. This option will restore the original factory system defaults.

CAUTION: Do NOT turn the computer power OFF while the BIOS is saving the F10 Computer Setup

changes because the CMOS could become corrupted. It is safe to turn off all power to the computer only after exiting the F10 Setup screen.

Enter to bypass the title screen, if necessary.

Esc.

F10 when the monitor light turns green to enter

Enter key.

Enter. To return to the Computer Setup

Service Reference Guide, dx7300 433611- 0 01 2 –3

Setup Utilities and Diagnostics Features

2.2.2 Computer Setup Menu

Heading Option Description

File System Information Lists:

•Product name

• SKU number (some models)

• Processor type/speed/stepping

• Cache size (L1/L2) (dual core processors have this listed twice)

• Installed memory size/speed and number of channels (single or dual) (if applicable)

• Integrated MAC address for embedded, enabled NIC (if applicable)

• System BIOS (includes family name and version)

•Chassis serial number

• Asset tracking number

About Displays copyright notice.

Set Time and Date Allows you to set system time and date.

Flash System ROM (some models)

Replicated Setup Save to Removable Media

Default Setup Save Current Settings as Default

Apply Defaults and Exit

Ignore Changes and Exit

Save Changes and Exit

Support for specific Computer Setup options may vary depending on the hardware configuration.

✎

Allows you to select a drive containing a new BIOS.

Saves system configuration, including CMOS, to a formatted

1.44-MB diskette, a USB flash media device, or a diskette-like device (a storage device set to emulate a diskette drive).

Restore from Removable Media

Restores system configuration from a diskette, a USB flash media device, or a diskette-like device.

Saves the current system configuration settings as the default.

Restore Factory Settings as Default

Restores the factory system configuration settings as the default.

Applies the currently selected default settings and clears any established passwords.

Exits Computer Setup without applying or saving any changes.

Saves changes to system configuration or default settings and exits Computer Setup.

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Setup Utilities and Diagnostics Features

Heading Option Description

Storage Device

Configuration

Lists all installed BIOS-controlled storage devices. When a device is selected, detailed information and options are

displayed. The following options may be presented.

Diskette Type (Legacy Diskettes only)

Identifies the highest capacity media type accepted by the diskette drive.

Options are 3.5" 1.44 MB, and 5.25" 1.2 MB.

Drive Emulation

Allows you to select a drive emulation type for a certain storage device. (For example, a Zip drive can be made bootable by selecting diskette emulation.)

Drive Type Emulation Options

ATAPI Zip drive None (treated as Other)

Diskette (treated as diskette drive)

Hard disk None (prevents BIOS data accesses and

disables it as a boot device)

Hard disk (treated as hard drive)

Legacy diskette No emulation options available

CD-ROM drive No emulation options available

ATAPI LS-120 None (treated as Other).

Diskette (treated as diskette drive).

Support for specific Computer Setup options may vary depending on the hardware configuration.

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Service Reference Guide, dx7300 433611- 0 01 2 –5

Setup Utilities and Diagnostics Features

Heading Option Description

Storage

(continued)

Device Configuration

(continued)

Multisector Transfers (ATA disks only)

Specifies how many sectors are transferred per multi-sector PIO operation. Options (subject to device capabilities) are Disabled, 8, and 16.

Transfer Mode (IDE devices only)

Specifies the active data transfer mode. Options (subject to device capabilities) are PIO 0, Max PIO, Enhanced DMA, Ultra DMA 0, and Max UDMA.

Translation Mode (ATA disks only)

Lets you select the translation mode to be used for the device. This enables the BIOS to access disks partitioned and formatted on other systems and may be necessary for users of older versions of UNIX (e.g., SCO UNIX version 3.2). Options are Automatic, Bit-Shift, LBA Assisted, User, and None

CAUTION: Ordinarily, the translation mode selected

automatically by the BIOS should not be changed. If the selected translation mode is not compatible with the translation mode that was active when the disk was partitioned and formatted, the data on the disk will be inaccessible.

Translation Parameters (ATA disks only)

This feature appears only when User translation mode is selected.

✎

Allows you to specify the parameters (logical cylinders, heads, and sectors per track) used by the BIOS to translate disk I/O requests (from the operating system or an application) into terms the hard drive can accept. Logical cylinders may not exceed 1024. The number of heads may not exceed 256. The number of sectors per track may not exceed 63. These fields are only visible and changeable when the drive translation mode is set to User.

Default Values IDE/SATA

Allows you to specify the default values for the Multisector Transfers, Transfer Mode, and Translation Mode for ATA devices.

Storage Options Removable Media Boot

Enables/disables ability to boot the system from removable media.

Legacy Diskette Write

Enables/disables ability to write data to legacy diskettes.

After saving changes to Removable Media Write, the computer

✎

will restart. Turn the computer off, then on, manually.

BIOS DMA Data Transfers

Allows you to control how BIOS device I/O requests are serviced. When “Enable” is selected, the BIOS will service ATA device read and write requests with DMA data transfers. When “Disable” is selected, the BIOS will service ATA device read and write requests with PIO data transfers.

Support for specific Computer Setup options may vary depending on the hardware configuration.

✎

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Setup Utilities and Diagnostics Features

Heading Option Description

Storage

(continued)

Storage Options

(continued)

SATA Emulation

Allows you to choose how the SATA controller and devices are accessed by the operating system. There are up to three supported options: IDE, RAID, and AHCI.

IDE is the default option. Use this option for “normal” (non-RAID, non-AHCI) configurations.

Select the RAID option to enable DOS and boot accesses to RAID volumes. Use this option for RAID configurations under Windows 2000, XP, or Vista with the appropriate RAID device driver.

The RAID device driver must be installed prior to attempting to

✎

boot from a RAID volume. If you attempt to boot from a RAID volume without the required device driver installed, the system will crash (blue screen). Also, do not select the RAID option while the DriveLock feature is enabled on any attached hard drives. Doing so will cause the DriveLocked drives to remain locked and inaccessible during subsequent reboots until another SATA emulation mode is selected.

Select the ACHI option to enable DOS and boot accesses to SATA devices using the AHCI interface. Select this mode if the target operating system supports accessing the SATA devices via AHCI (e.g. Windows Vista) and AHCI accesses are desired.

Windows 2000 and Windows XP require a third-party device

✎

driver to access SATA devices using the AHCI interface. If you attempt to boot with either of these operating systems in AHCI mode without the required device driver, the system will crash (blue screen).

SATA 0 and 2

Allows you to enable or disable DOS and boot accesses to the Primary channel of the first SATA controller. This feature only applies when SATA emulation = IDE.

Advanced operating systems like Windows may reenable the

✎

channel.

SATA 1 and 3

Allows you to enable or disable DOS and boot accesses to the Secondary channel of the first SATA controller. This feature only applies when SATA emulation = IDE.

Advanced operating systems like Windows may reenable the

✎

channel.

✎

DPS Self-Test Allows you to execute self-tests on ATA hard drives capable of

performing the Drive Protection System (DPS) self-tests.

This selection will only appear when at least one drive capable of

✎

performing the DPS self-tests is attached to the system.

Support for specific Computer Setup options may vary depending on the hardware configuration.

✎

Service Reference Guide, dx7300 433611- 0 01 2 –7

Setup Utilities and Diagnostics Features

Heading Option Description

Storage

(continued)

Security Smart Card

Boot Order Allows you to:

Options (some models)

• Specify the order in which attached devices (such as a USB flash media device, diskette drive, hard drive, optical drive, or network interface card) are checked for a bootable operating system image. Each device on the list may be individually excluded from or included for consideration as a bootable operating system source.

• Specify the order of attached hard drives. The first hard drive in the order will have priority in the boot sequence and will be recognized as drive C (if any devices are attached).

MS-DOS drive lettering assignments may not apply after a

✎

non-MS-DOS operating system has started.

Shortcut to Temporarily Override Boot Order

To boot one time from a device other than the default device specified in Boot Order, restart the computer and press F9 when the monitor light turns green. After POST is completed, a list of bootable devices is displayed. Use the arrow keys to select the preferred bootable device and press Enter. The computer then boots from the selected non-default device for this one time.

Allows you to enable/disable the Smart Card to be used in place of the Power-On Password. This option only appears if a Smart Card reader is attached to the system.

Setup Password Allows you to set and enables setup (administrator) password.

If the setup password is set, it is required to change Computer

✎

Setup options, flash the ROM, and make changes to certain plug and play settings under Windows.

Power-On Password

Password Options (This selection will appear only if a power-on password or setup password is set.)

Support for specific Computer Setup options may vary depending on the hardware configuration.

✎

Allows you to set and enable power-on password. The power-on password prompt appears after a power cycle. If the user does not enter the correct power-on password, the unit will not boot.

This password does not appear on warn boots, such as

✎

CTRL+ALT+DEL or Restart from Windows, unless enabled in Password Options, below.

Allows you to:

• Lock legacy resources (appears if a setup password is set)

• Enable/disable network server mode (appears if a power-on password is set)

• Specify whether the password is required for warm boot (CTRL+ALT+DEL) (appears if a power-on password is set)

• Enable/Disable Setup Browse Mode (appears if a setup password is set) (allows viewing, but not changing, the F10 Setup Options without entering setup password)

2–8 433611-001 Service Reference Guide, dx7300

Setup Utilities and Diagnostics Features

Heading Option Description

Security

(continued)

Smart Cover (some models)

Embedded Security (This menu only appears after the Embedded Security Device is made available under Device Security)

Device Security Enables/disables serial ports, parallel port, all USB ports, system

Network Service Boot

Allows you to:

•Lock/unlock the Cover Lock.

• Set the Cover Removal Sensor to Disable/Notify User/Setup Password.

Notify User alerts the user that the sensor has detected that the

✎

cover has been removed. Setup Password requires that the setup password be entered to boot the computer if the sensor detects that the cover has been removed.

Allows you to:

• Enable/disable the Embedded Security device.

• Reset the device to Factory Settings.

• Enable/disable power-on authentication support (some models).

• Reset authentication credentials (some models).

This feature is supported on some models only.

audio, network controllers (some models), SMBus controller (some models), and embedded security device (some models).

Enables/disables the computer’s ability to boot from an operating system installed on a network server. (Feature available on NIC models only; the network controller must reside on the PCI bus or be embedded on the system board.)

System IDs Allows you to set:

• Asset tag (18-byte identifier) and ownership Tag (80-byte identifier displayed during POST).

• Chassis serial number or Universal Unique Identifier (UUID) number. The UUID can only be updated if the current chassis serial number is invalid. (These ID numbers are normally set in the factory and are used to uniquely identify the system.)

• Keyboard locale setting (for example, English or German) for System ID entry.

DriveLock Security Allows you to assign or modify a master or user password for hard

drives. When this feature is enabled, the user is prompted to provide one of the DriveLock passwords during POST. If neither is successfully entered, the hard drive will remain inaccessible until one of the passwords is successfully provided during a subsequent cold-boot sequence.

This selection will only appear when at least one drive that

✎

supports the DriveLock feature is attached to the system.

Support for specific Computer Setup options may vary depending on the hardware configuration.

✎

Service Reference Guide, dx7300 433611- 0 01 2 –9

Setup Utilities and Diagnostics Features

Heading Option Description

Security

(continued)

Power OS Power

OS Security

Management

This selection is in effect only if the processor and operating

✎

system being used comprehend and utilize this feature.

• Data Execution Prevention (some models) (enable/disable). Helps prevent OS security breaches.

• Intel Virtualization Technology (some models) (enable/disable). Changing this setting requires turning the computer off and then back on.

• Runtime Power Management - Enable/Disable. Allows certain operating systems to reduce processor voltage and frequency when the current software load does not require the full capabilities of the processor.

• Idle Power Savings - Extended/Normal. Allows certain operating systems to decrease the processors power consumption when the processor is idle.

•ACPI S3 Hard Disk Reset - Enabling this causes the BIOS to ensure hard disks are ready to accept commands after resuming from S3 before returning control to the operating system.

• ACPI S3 PS2 Mouse Wakeup - Enables or disables waking from S3 due to PS2 mouse activity.

• USB Wake on Device Insertion - Allows system to wake from Standby on USB device insertion.

Hardware Power Management

Thermal Fan idle mode - This bar graph controls the minimum permitted fan

Support for specific Computer Setup options may vary depending on the hardware configuration.

✎

SATA power management enables or disables SATA bus and/or device power management.

speed.

This setting only changes the minimum fan speed. The fans are

✎

still automatically controlled.

2–10 433611-001 Service Reference Guide, dx7300

Setup Utilities and Diagnostics Features

Heading Option Description

Advanced* *For

advanced users only

Power-On Options Allows you to set:

• POST mode (QuickBoot, FullBoot, or FullBoot every 1-30 days).

• POST messages (enable/disable).

• MEBx Setup Prompt (enable/disable or hidden/displayed). Enabling this feature displays the text CTRL+P=MEBx during POST. Disabling this feature prevents the text from being displayed. However, pressing CTRL+P still accesses the ME BIOS Extension Setup Utility, which is used to configure manageability settings.

• F9 prompt (enable/disable or hidden/displayed). Enabling this feature will display the text F9=Boot Menu during POST. Disabling this feature prevents the text from being displayed but pressing F9 will still access the Shortcut Boot (Order) Menu screen. See Storage > Boot Order for more information.

• F10 prompt (enable/disable or hidden/displayed). Enabling this feature will display the text F10=Setup during POST. Disabling this feature prevents the text from being displayed but pressing F10 will still access the Setup screen.

• F12 prompt (enable/disable or hidden/displayed). Enabling this feature will display the text F12=Network Service Boot during POST. Disabling this feature prevents the text from being displayed but pressing F12 will still force the system to attempt booting from the network.

• Option ROM prompt (enable/disable). Enabling this feature will cause the system to display a message before loading options ROMs. (This feature is supported on some models only.)

• Remote wakeup boot source (remote server/local hard drive).

• After Power Loss (off/on/previous state): Setting this option to:

•Off - causes the computer to remain powered off when power

is restored.

•On - causes the computer to power on automatically as soon

as power is restored.

•On - allows you to power on the computer using a power strip

switch, if the computer is connected to an electric power strip.

•Previous state - causes the computer to power on automatically

as soon as power is restored, if it was on when power was lost.

If you turn off power to your computer using the switch on a

✎

power strip, you will not be able to use the suspend/sleep feature or the Remote Management features.

• POST Delay (None, 5, 10, 15, or 20 seconds) (enable/disable). Enabling this feature will add a user-specified delay to the POST process. This delay is sometimes needed for hard disks on some PCI cards that spin up very slowly; so slowly that they are not ready to boot by the time POST is finished. The POST delay also gives you more time to press F10 to enter Computer (F10) Setup.

Support for specific Computer Setup options may vary depending on the hardware configuration.

✎

Service Reference Guide, dx7300 433611-001 2–11

Setup Utilities and Diagnostics Features

Heading Option Description

Advanced*

(continued)

*For advanced users only

Support for specific Computer Setup options may vary depending on the hardware configuration.

✎

Power-On Options

(continued)

Execute Memory Test (some models)

BIOS Power-On Allows you to set the computer to turn on automatically at a time you

Onboard Devices Allows you to set resources for or disable onboard system devices

PCI Devices • Lists currently installed PCI devices and their IRQ settings.

PCI VGA Configuration

Allows you to set: (continued)

• I/O APIC Mode (enable/disable). Enabling this feature will allow Microsoft Windows Operating Systems to run optimally. This feature must be disabled for certain non-Microsoft Operating Systems to work properly.

• Hyper-threading (enable/disable)

• Limit CPUID Maximum Value to 3 - Restricts the number of CPUID functions reported by the microprocessor. Enable this feature if booting to WinNT.

Restarts the computer and executes the POST memory test.

specify.

(diskette controller, serial port, or parallel port).

• Allows you to reconfigure IRQ settings for these devices or to disable them entirely. These settings have no effect under an APIC-based operating system.

Displayed only if there are multiple PCI video adapters in the system. Allows you to specify which VGA controller will be the “boot” or primary VGA controller.

In order to see this entry, you must enable integrated video

✎

(Advanced > Device Options) and Save Changes and Exit.

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Setup Utilities and Diagnostics Features

Heading Option Description

Advanced*

(continued)

*For advanced users only

Bus Options* On some models, allows you to enable or disable:

• PCI SERR# Generation.

• PCI VGA palette snooping, which sets the VGA palette snooping bit in PCI configuration space; only needed when more than one graphics controller is installed.

Device Options Allows you to set:

• Printer mode (Bi-Directional, EPP & ECP, Output Only).

• Num Lock state at power-on (off/on).

• S5 Wake on LAN (enable/disable).

• To disable Wake on LAN during the off state (S5), use the arrow

(left and right) keys to select the Advanced > Device Options menu and set the S5 Wake on LAN feature to “Disable.” This obtains the lowest power consumption available on the computer during S5. It does not affect the ability of the computer to Wake on LAN from suspend or hibernation, but will prevent it from waking from S5 via the network. It does not affect operation of the network connection while the computer is on.

• If a network connection is not required, completely disable the network controller (NIC) by using the arrow (left and right) keys to select the Security > Device Security menu. Set the Network Controller option to “Device Hidden.” This prevents the network controller from being used by the operating system and reduces the power used by the computer in S5.

• Processor cache (enable/disable).

• Unique Sleep State Blink Patterns. Allows you to choose an LED blink pattern that uniquely identifies each sleep state.

•3 blinks followed by 2-sec. pause = S3

•4 blinks followed by 2-sec. pause = S4

• Integrated Video (enable/disable) Allows you to use integrated video and PCI Up Solution video at the same time (available on some models only).

After Integrated Video is enabled and changes saved, a new

✎

menu item appears under Advanced to allow you to select the primary VGA controller video device.

Inserting a PCI or PCI Express video card automatically disables Integrated Video. When PCI Express video is on, Integrated Video must remain disabled.

• Internal speaker (some models) (enable/disable) (does not affect external speakers)

• Monitor Tracking (enable/disable). Allows BIOS to save monitor asset information.

Support for specific Computer Setup options may vary depending on the hardware configuration.

✎

Service Reference Guide, dx7300 433611-001 2–13

Setup Utilities and Diagnostics Features

Heading Option Description

Advanced*

(continued)

*For advanced users only

Support for specific Computer Setup options may vary depending on the hardware configuration.

✎

Device option

(continued)

• NIC PXE Option ROM Download (enable/disable). The BIOS contains an embedded NIC option ROM to allow the unit to boot through the network to a PXE server. This is typically used to download a corporate image to a hard drive. The NIC option ROM takes up memory space below 1MB commonly referred to as DOS Compatibility Hole (DCH) space. This space is limited. This F10 option will allow users to disable the downloading of this embedded NIC option ROM thus giving more DCH space for additional PCI cards which may need option ROM space. The default will be to have the NIC option ROM enabled.

2.2.3 Recovering the Configuration Settings

This method of recovery requires that you first perform the Save to Removable Media command with the Computer Setup (F10) Utility before Restore is needed.

It is recommended that you save any modified computer configuration settings to a diskette, a

✎

USB flash media device, or a diskette-like device (a storage device set to emulate a diskette drive) and save the diskette or device for possible future use.

To restore the configuration, insert the diskette, USB flash media device, or other storage media emulating a diskette with the saved configuration and perform the Restore from Removable Media command with the Computer Setup (F10) Utility.

2.3 HP Insight Diagnostics

HP Insight Diagnostics is included on the Documentation and Diagnostics CD with some

✎

computer models only.

The HP Insight Diagnostics utility allows you to view information about the hardware configuration of the computer and perform hardware diagnostic tests on the subsystems of the computer. The utility simplifies the process of effectively identifying, diagnosing, and isolating hardware issues.

The Survey tab is displayed when you invoke HP Insight Diagnostics. This tab shows the current configuration of the computer. From the Survey tab, there is access to several categories of information about the computer. Other tabs provide additional information, including diagnostic test options and test results. The information in each screen of the utility can be saved as an html file and stored on a diskette or USB HP Drive Key.

Use HP Insight Diagnostics to determine if all the devices installed on the computer are recognized by the system and functioning properly. Running tests is optional but recommended after installing or connecting a new device.

You should run tests, save the test results, and print them for reference.

Third party devices may not be detected by HP Insight Diagnostics.

✎

2–14 433611-001 Service Reference Guide, dx7300

2.3.1 Accessing HP Insight Diagnostics

You must boot to the Documentation and Diagnostics CD, as described in the steps below, to

access HP Insight Diagnostics.

1. While the computer is on, insert the Documentation and Diagnostics CD into an optical drive

on the computer.

2. Shut down the operating system and turn off the computer.

3. Turn on the computer. The system will boot to the CD.

If the system does not boot to the CD in the optical drive, you may need to change the boot order

✎

in the Computer Setup (F10) utility so that the system attempts to boot to the optical drive before

booting to the hard drive. Refer to the Computer Setup (F10) Utility Guide on the Documentation and Diagnostics CD for more information.

Setup Utilities and Diagnostics Features

4. When prompted, press the want to operate in Regular mode.

Regular mode is the default mode if no keys are pressed within the specified time frame. If the

✎

screen remains blank after pressing any key other than when prompted.

5. Select the appropriate language and click Continue.

It is recommended that you accept the assigned default keyboard for your language unless you

✎

want to test your specific keyboard.

6. In the End User License Agreement page, click Agree if you agree with the terms. The HP Insight Diagnostics utility launches with the Survey tab displayed.

2.3.2 Survey Tab

The Survey tab displays important system configuration information. In the View section on the left side of the screen, you can select the Summary view to see limited configuration data or select the Advanced view to see all the data in the selected category. Regardless of whether you choose Advanced or Summary, the following categories of information are available on the

Survey tab:

All—Gives a listing of all categories of information about the computer.

y key if you want to operate in Safe mode or any other key if you

y, try rebooting and select safe mode

Overview—Gives you a listing of general information about the computer.

Architecture—Provides system BIOS and PCI device information.

Asset Control—Shows asset tag, system serial number, and processor information.

Communication—Shows information about the computer parallel (LPT) and serial (COM) port

settings, plus USB and network controller information.

Graphics—Shows information about the graphics controller of the computer.

Input Devices—Shows information about the keyboard, mouse, and other input devices

connected to the computer.

Memory—Shows information about all memory in the computer. This includes memory slots on the system board and any memory modules installed.

Service Reference Guide, dx7300 433611-001 2–15

Setup Utilities and Diagnostics Features

Miscellaneous—Shows information obtained from the computer configuration memory (CMOS), system management BIOS data, system board data, and diagnostics component information.

Storage—Shows information about storage media connected to the computer. This list includes all fixed disks, diskette drives, and optical drives.

System—Shows information about the system board, processor, chassis, and BIOS, plus internal speaker and PCI bus information.

2.3.3 Test Tab

The Test tab allows you to choose various parts of the system to test. You can also choose the type of test and testing mode.

There are three types of tests to choose from:

■ Quick Test—Provides a predetermined script where a sample of each hardware component

is exercised and requires no user intervention in either Unattended or Interactive mode.

■ Complete Test—Provides a predetermined script where each hardware component is fully

tested. There are more tests available in the Interactive mode, but these require user intervention.

■ Custom Test—Provides the most flexibility in controlling the testing of a system. The

Custom Test mode allows you to specifically select which devices, tests, and test parameters are run.

There are two test modes to choose from:

■ Interactive Mode—Provides maximum control over the testing process. The diagnostic

software will prompt you for input during tests that require your interaction.You may also determine whether the test passed or failed.

■ Unattended Mode—Does not display prompts and requires no interaction. If errors are

found, they are displayed when testing is complete.

To begin testing:

1. Select the Test tab.

2. Select the tab for the type of test to be run: Quick, Complete, or Custom.

3. Select the Test Mode: Interactive or Unattended.

4. Choose how you want the test to be executed, either Number of Loops or Tot al Te s t Time . When choosing to run the test over a specified number of loops, enter the number of loops to perform. If you desire to have the diagnostic test for a specified time period, enter the amount of time in minutes.

5. If performing a Quick Test or Complete Test, select the device to be tested from the drop-down list. If performing a Custom Test, click the Expand button and select the devices to be tested or click the Check All button to select all devices.

6. Click Begin Testing to start the test. The Status tab, which allows you to monitor the progress of the test, is automatically displayed during the testing process. When the test is complete, the Status tab shows whether the device passed or failed.

7. If errors are found, go to the Log tab and click the Error Log to display more detailed information and recommended actions.

2–16 433611-001 Service Reference Guide, dx7300

2.3.4 Status Tab

The Status tab displays the status of the selected tests. The type of test executed (Quick, Complete, or Custom) is also displayed. The main progress bar displays the percent complete of

the current set of tests. While testing is in progress, a Cancel Testing button is displayed for use if you want to cancel the test.

After testing has completed, the Cancel Testing button is replaced with a Retest button. The Retest button will retest the last set of tests executed. This enables you to re-run the set of tests without having to re-enter the data in the Test tab.

The Status tab also shows:

■ The devices being tested

■ The test status (running, passed, or fail) of each device being tested

■ The overall test progress of all devices being tested

■ The test progress for each device being tested

■ The elapsed test times for each device being tested

2.3.5 Log Tab

Setup Utilities and Diagnostics Features

The Log tab contains a Tes t L og and an Error Log tab.

The Test L o g displays all tests that have been executed, the number of times of execution, the number of times failed, and the time it took to complete each test. The Clear Test Log button will clear the contents of the Test L og .

The Error Log displays the tests for devices that have failed during the diagnostic testing and includes the following columns of information.

■ The Device section displays the device tested.

■ The Te st section displays the type of test run.

■ The Description section describes the error that the diagnostic test found.

■ The Recommended Repair will give a recommended action that should be performed to

resolve the failed hardware.

■ The Failed Count is the number of times the test has failed.

■ The Error Code provides a numerical code for the failure. The error codes are defined in the

Help tab.

■ The Clear Error Log button will clear the contents of the Error Log.

2.3.6 Help Tab

The Help tab contains an HP Insight Diagnostics tab, an Error Codes tab, and a Test Components tab.

The HP Insight Diagnostics tab contains help topics and includes search and index features.

The Error Codes tab provides a description of each numerical error code that may appear in the

Error Log tab located on the Log tab. Each code has a corresponding error Message and a Recommended Repair action that should help solve the problem. To find an error code description quickly, enter the code in the box at the top of the tab and click the Find Error Codes button.

The Test C o m pon e n ts tab displays low level information on tests that are run.

Service Reference Guide, dx7300 433611-001 2–17

Setup Utilities and Diagnostics Features

2.3.7 Saving and Printing Information in HP Insight Diagnostics

You can save the information displayed in the HP Insight Diagnostics Status and Log tabs to a diskette or a USB 2.0 HP Drive Key (64MB or higher). You can not save to the hard drive. The system will automatically create an html file that has the same appearance as the information displayed on the screen.

1. Insert a diskette or USB 2.0 HP Drive Key (capacity must be 64MB or higher). USB 1.0 Drive Keys are not supported.

2. Click Save in the bottom right corner of the tab.

3. Select Save to the floppy or Save to USB key.

4. Enter a file name in the File Name box and click the Save button. An html file will be saved to the inserted diskette or USB HP Drive Key.

Do not remove the diskette or Drive Key until you see a message indicating that the total file has

✎

been written to the media.

5. Print the information from the storage device used to save it.

To exit HP Insight Diagnostics, click the Exit Diagnostics button in the bottom left corner of the

✎

screen then remove the Documentation and Diagnostics CD from the optical drive.

2.3.8 Downloading the Latest Version of HP Insight Diagnostics

1. Go to www.hp.com.

2. Click the Software and Download driver link.

3. Enter the product number (for example, dc7700) in the text box and press the

4. Select the specific product.

5. Select the OS.

6. Click the Diagnostics link.

7. Select HP Insight Diagnostics Offline Edition.

8. Select the proper language and click Download.

The download includes instructions on how to create the bootable CD.

Enter key.

✎

2–18 433611-001 Service Reference Guide, dx7300

Desktop Management

HP Client Management Solutions provides standards-based solutions for managing and controlling desktops, workstations, and notebook PCs in a networked environment.

The key capabilities and features of desktop management are:

■ Initial configuration and deployment

■ Remote system installation

■ Software updating and management

■ ROM flash

■ Asset tracking and security

■ Fault notification and recovery

Support for specific features described in this guide may vary by model or software version.

✎

3.1 Initial Configuration and Deployment

HP computers come with a preinstalled system software image. After a brief software “unbundling” process, the computer is ready to be used.

A customized software image may be deployed by:

■ Installing additional software applications after unbundling the preinstalled software image.

■ Using software deployment tools, such as HP OpenView Client Configuration Manager, HP

OpenView PC Configuration Management Solutions, or Altiris Deployment Solution, to replace the preinstalled software with a customized software image.

■ Using a disk cloning process to copy the contents from one hard drive to another.

The best deployment method depends on your information technology environment and processes. The PC Deployment section of the HP Lifecycle Solutions Web site (http://h20219.www2.hp.com/services/cache/80906-0-0-225-121.html) provides information to help you select the best deployment method.

The Restore Plus! CD, ROM-based setup, and ACPI hardware provide further assistance with

recovery of system software, configuration management and troubleshooting, and power management.

Service Reference Guide, dx7300 433611-001 3–1

Desktop Management

3.1.1 HP OpenView Agent

The Radia Management Agent (RMA) used by both HP OpenView Client Configuration Manager and HP OpenView PC Configuration Management Solutions (Radia) is pre-loaded on the computer. When installed, it enables communication with the HP OpenView management console.

To install the Radia Management Agent:

1. Click

2. Click

3. Click

4. Click

5. Review and follow the instructions contained in the Readme file to install the Radia

Start.

All Programs.

HP Manageability.

Radia Management Agent Readme.

Management Agent.

3.1.2 Altiris Deployment Solution Agent

This program is pre-loaded on the computer. When installed, it enables communication with the administrator Deployment Solution console.

To install Altiris Deployment Solution Agent:

1. Click Start.

2. Click All Programs.

3. Click Software Setup.

4. Click Next.

5. Scroll down and click on the link to install Altiris AClient.

3.1.3 HP Backup and Recovery Manager

HP Backup and Recovery Manager can create the Restore Plus! CD set. This set includes the Restore Plus! CD, the Operating system CD, and any Supplemental Software CDs.

CAUTION: The Restore Plus! CD set will not include and system settings or user data created after the

initial system setup.

To create the Restore Plus! CD set:

1. Click Start > HP Backup and Recovery > HP Backup and Recovery Manager to open the Backup and Recovery Wizard, then click Next.

2. Select Create factory software recovery CDs or DVDs to recover the system.

3. Follow the instructions in the wizard.

In addition to allowing you to create the Restore Plus! CD set, HP Backup and Recovery

Manager can be used to back up data and system files to the hard drive, to network drives, or to removable media, such as CDs, DVDs, or flash media. If data or system files are lost, deleted, or corrupted, Backup and Recovery Manager allows you to retrieve data or restore the last good system image.

3–2 433611-001 Service Reference Guide, dx7300

You can order a Recovery Disc Set from HP by calling the HP suport center. Go to the following Web site, select your region, and click the Technical support after you buy link under the Call HP heading to obtain the support center telephone number for your region.

http://welcome.hp.com/country/us/en/wwcontact_us.html

3.2 Remote System Installation

Remote System Installation allows you to start and set up your system using the software and configuration information located on a network server by initiating the Preboot Execution Environment (PXE). The Remote System Installation feature is usually used as a system setup and configuration tool, and can be used for the following tasks:

■ Formatting a hard drive.

■ Deploying a software image on one or more new PCs.

■ Remotely updating the system BIOS in flash ROM. See Section 3.4.1, “Remote ROM

Flash.”

■ Configuring the system BIOS settings.

Desktop Management

To initiate Remote System Installation, press

F12 when the F12 = Network Service Boot

message appears in the lower-right corner of the HP logo screen. Follow the instructions on the screen to continue the process. The default boot order is a BIOS configuration setting that can be changed to always attempt to PXE boot.

3.3 Software Updating and Management

HP provides several tools for managing and updating software on desktops, workstations, and notebooks:

■ HP System Software Manager

■ HP Client Manager

■ HP ProtectTools Security Manager

■ HP Client Premium Suite

■ HP Client Foundation Suite

■ HP OpenView Client Configuration Manager

■ HP OpenView PC Configuration Management Solutions

■ HP Proactive Change Notification

■ HP Subscriber's Choice

3.3.1 HP Client Management Interface

HP Client Management Interface (HP CMI) provides an interface to simplify the integration of business computers with popular industry system management tools (including Microsoft Systems Management Server, IBM Tivoli Software, and HP OpenView Operations) and custom inhouse developed management applications. Using HP CMI, systems management tools and applications can request in-depth client inventory, receive health status information, and manage system BIOS settings by communicating directly with the client computer, reducing the need for agent or connector software to achieve integration.

Service Reference Guide, dx7300 433611- 0 01 3 –3

Desktop Management

When HP Client Management Interface is used in conjunction with system management software, it can:

■ Request in-depth client inventory information - Capture detailed information about the

processors, hard drives, memory, BIOS, drivers, and sensor information (such as fan speed, voltage, and temperature)

■ Receive health status information - Subscribe for a wide range of client hardware alerts (such

as over-temperature, fan stall, and hardware configuration changes) to be sent to the system management console, application, or to the local client computer. Alerts are sent real-time when triggered by hardware events.

■ Manage system BIOS settings - Perform F10 functions including setting and changing the

BIOS passwords and computer boot order remotely from the system management console of any or all of the client systems without having to visit each machine.

3.3.2 HP System Software Manager

HP System Software Manager (SSM) is a free utility that automates remote deployment of device drivers and BIOS updates for networked HP business PCs. When SSM runs, it silently (without user interaction) determines the revision levels of drivers and BIOS installed on each networked client system and compares this inventory against system software SoftPaqs that have been tested and stored in a central file store. SSM then automatically updates any down-revision system software on the networked PCs to the later levels available in the file store. Since SSM only allows distribution of SoftPaq updates to the correct client system models, administrators can confidently and efficiently use SSM to keep system software updated.

System Software Manager integrates with enterprise software distribution tools such as Microsoft Systems Management Server (SMS). Using SSM, you can distribute customer-created or third-party updates that have been packaged in the SSM-format.

SSM may be downloaded at no charge by visiting

3.3.3 HP Client Manager

HP Client Manager, developed with Altiris, is available free for supported HP business desktop, notebook, and workstation models. SSM is integrated into HP Client Manager and enables central tracking, monitoring, and management of the hardware aspects of HP client systems.

Use HP Client Manager to:

■ Get valuable hardware information such as CPU, memory, video, and security settings

■ Monitor system health to fix problems before they occur

■ Automatically acquire and install drivers and BIOS updates without visiting each PC

■ Remotely configure BIOS and security settings

■ Automate processes to quickly resolve hardware problems

Tight integration with HP Instant Support tools reduces hardware troubleshooting time.

■ Diagnostics—remotely run & view reports on HP desktop, notebook, and workstation

models

■ System Health Scan—check for known hardware issues in your installed base of HP client

systems

www.hp.com/go/ssm.

■ Active Chat—connect to HP customer support to resolve issues

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Desktop Management

■ HP Knowledgebase—link to expert information

■ Automated SoftPaq collection and delivery process for fast resolution of hardware problems

■ Identify, inventory, and initialize systems with HP ProtectTools embedded security chip

■ Option for health alerts to display locally on the client system

■ Report basic inventory information for non-HP clients

For more information on HP Client Manager, visit

www.hp.com/go/clientmanager.

3.3.4 HP ProtectTools Security Manager

ProtectTools Security Manager software provides security features that help protect against unauthorized access to the computer, networks, and critical data. Enhanced security functionality is provided by the following modules:

■ Smart Card Security for ProtectTools

■ Embedded Security for ProtectTools

■ BIOS Configuration for ProtectTools

■ Credential Manager for ProtectTools

The modules available for your computer may vary depending on your model. For example, Embedded Security for ProtectTools requires that the Trusted Platform Module (TPM) embedded security chip (some models only) be installed on your computer, and Smart Card Security for ProtectTools requires an optional smart card and reader.

ProtectTools modules may be preinstalled, preloaded, or available for purchase from the HP Web site. Visit

http://www.hp.com/products/security for more information.

3.3.5 HP Client Premium Suite

HP Client Premium Suite (HP CPS) is designed for organizations wanting full client hardware and software lifecycle management from a single, Web-based management console. It combines:

■ HP Client Manager

■ HP Systems Insight Manager Connector

■ HP OpenView Connector

■ Altiris Client Management Suite - Level 1

■ Altiris Connector Solution

■ Altiris Local Recovery Pro

■ Altiris AuditExpress

For more information on HP Client Management Premium Suite, visit

http://www.hp.com/go/easydeploy.

3.3.6 HP Client Foundation Suite

The HP Client Foundation Suite (HP CFS) is designed for organizations wanting essential client management functionality. It combines:

■ HP Client Manager

■ HP Systems Insight Manager Connector

Service Reference Guide, dx7300 433611- 0 01 3 –5

Desktop Management

■ Altiris Migration Suite

■ Altiris Local Recovery Pro

For more information about the HP Client Foundation Suite, visit

http://www.hp.com/go/easydeploy.

3.3.7 HP OpenView Client Configuration Manager

HP OpenView Client Configuration Manager is a simplified, out-of-the-box, and easy-to-use solution that solves immediate PC software configuration management needs.

■ Integrated software management

❏ Inventory collection

❏ Operating system deployment and settings migration

❏ Patch management

❏ Software distribution

❏ Software usage metering

■ Integrated hardware management

❏ Remote control

❏ HP alert monitoring

❏ HP hardware driver and BIOS updates

❏ Integration with HP ProtectTools

❏ Free add-on support for Intel Active Management Technology (AMT)

❏ Free version for basic hardware management of HP desktops and notebooks, and

software and hardware management for HP Thin Clients.

For more information about the HP OpenView Client Configuration Manager, visit

http://www.managementsoftware.hp.com/products/ccm/index.html.

3.3.8 HP OpenView PC Configuration Management Solutions

HP OpenView Configuration Management solutions automate the management of software such as operating systems, applications, patches, content, and configuration settings to ensure that each computing device is maintained in the right configuration.

Proven across enterprises of every size and complexity, HP’s adaptive, policy-based model for software Configuration Management, automates the entire software lifecycle management process - from discovery, deployment, and ongoing management through to migration and retirement.

By substituting automation for manual intervention, HP helps its customers lower costs, significantly reduce software related problems, and ensure the software supporting their business operations is reliable and secure.

For more information on HP OpenView PC Configuration Management Solution, visit

http://h20229.www2.hp.com/solutions/ascm/index.html.

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3.3.9 Intel vPro-branded PCs with Active Management Technology

Intel Active Management Technology (AMT) allows better discovery, healing, and protection of networked computing assets. With AMT, PCs can be managed whether the system is on, off, or the operating system is hung.

Intel vPro features include:

■ Hardware inventory information

■ Alerting

■ Power management—power on/off, cycle power

■ Remote diagnosis and repair

❏ Serial-over-LAN—allows console control of remote PC

❏ IDE-Redirect—allows system booting from a remote boot drive, disk, or ISO image

■ Hardware-based isolation and recovery—limit or cut off PC network access, if virus-like

activity is detected

For an overview of Intel vPro technology, visit http://www.intel.com/vpro.

✎

For HP-specific information on Intel vPro technology, see the white papers at

http://www.hp.com/support. Select your country and language, select See support and

troubleshooting information

Resources category, click Manuals (guides, supplements, addendums, etc). Under

the

Quick jump to manuals by category, click White papers.

, enter the model number of the computer, and press Enter. In

On Intel vPro-branded PCs, available management technologies include the following:

■ AMT

■ ASF

■ Virtualization Technology (VT)

ASF and AMT may not be configured at the same time, but both are supported.

To configure Intel vPro systems for AMT or ASF:

1. Turn on or restart the computer. If you are in Microsoft Windows, click

Restart.

2. As soon as the computer is turned on, press the hot key, green.

NOTE If you do not press Ctrl+P at the appropriate time, you must restart the computer and

✎

again press Ctrl+P when the monitor light turns green to access the utility.

Ctrl+P, when the monitor light turns

Start > Shut Down

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This hot-key enters the Intel Management Engine BIOS Execution (ME Bx) setup utility. This utility allows the user to configure various aspects of the management technology. Configuration options include:

■ ME Platform Configuration

❏ ME Platform State Control—enable/disable management engine

❏ ME Firmware Local Update—local enable/disable management of firmware updates

❏ LAN Controller—enable/disable integrated network controller

❏ ME Features Control—enable AMT, ASF, or none

❏ ME Power Control—configure management engine power policies

■ Intel AMT Configuration

❏ Change AMT Password—required in order to configure AMT (the default password is

❏ Host Name—allows administrator to assign a name to the client

❏ TCP/IP—allows administrator to assign an IP address or enable DHCP

❏ Provisioning Server—allows administrator to assign IP address of provisioning server

❏ Provision Model—allows administrator to configure either enterprise or SMB mode

admin)

❏ Set PID and PPS—allows administrator to provide pre-provisioning key (see HP’s white

paper, Intel vPro Provisioning)

❏ Un-Provision—allows administrator to reset AMT configuration to factory defaults

❏ VLAN—allows administrator to enable LAN virtualization support

❏ SOL/IDE-R—allows administrator to enable remote boot and control sessions

■ Change MEBx Password (HP highly recommends that this password be changed. The

default password is admin.)

In order to remotely manage AMT systems, the administrator must use a remote console that supports AMT. Enterprise management consoles are available from suppliers such as HP OpenView, Altiris and Microsoft SMS. In SMB mode, the client provides a Web browser interface. To access this feature, open a browser from any other system on the network and enter

http://host_name:16992 where host_name is the name assigned to the system.

Alternatively, the IP address may be used in place of the host name.

3.3.10 Proactive Change Notification

The Proactive Change Notification program uses the Subscriber's Choice Web site in order to proactively and automatically:

■ Send you Proactive Change Notification (PCN) e-mails informing you of hardware and

software changes to most commercial computers and servers, up to 60 days in advance

■ Send you e-mail containing Customer Bulletins, Customer Advisories, Customer Notes,

Security Bulletins, and Driver alerts for most commercial computers and servers

You create your own profile to ensure that you only receive the information relevant to a specific IT environment. To learn more about the Proactive Change Notification program and create a custom profile, visit

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http://h30046.www3.hp.com/subhub.php.

3.3.11 Subscriber’s Choice

Subscriber’s Choice is a client-based service from HP.

Based on your profile, HP will supply you with personalized product tips, feature articles, and/or driver and support alerts/notifications.

Subscriber’s Choice Driver and Support Alerts/Notifications will deliver e-mails notifying you that the information you subscribed to in your profile is available for review and retrieval. To learn more about Subscriber’s Choice and create a custom profile, visit

http://h30046.www3.hp.com/subhub.php.

3.3.12 Retired Solutions

Two software packages, Altiris Local Recovery, and Dantz Retrospect, will no longer be shipping on HP business desktops, notebooks, or workstations. Starting with new business desktops, notebooks, and workstations released in 2006, all will ship with HP Backup and Recovery Manager.

3.4 ROM Flash

The computer's BIOS is stored in a programmable flash ROM (read only memory). By establishing a setup password in the Computer Setup (F10) Utility, you can protect the ROM from being unintentionally updated or overwritten. This is important to ensure the operating integrity of the computer. Should you need or want to upgrade the BIOS, you may download the latest BIOS images from the HP driver and support page:

http:\\h18000.www1.hp.com/support/files.

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CAUTION: For maximum ROM protection, be sure to establish a setup password. The setup password prevents unauthorized ROM upgrades. System Software Manager allows the system administrator to set the setup password on one or more PCs simultaneously. For more information, visit

http://www.hp.com/go/ssm.

3.4.1 Remote ROM Flash

Remote ROM Flash allows the system administrator to safely upgrade the ROM on remote HP computers directly from the centralized network management console. Enabling the system administrator to perform this task remotely on multiple computers results in a consistent deployment of, and greater control over, HP PC BIOS images over the network. It also results in greater productivity and lower total cost of ownership.

The computer must be powered on, or turned on through Remote Wakeup, to take advantage of

✎

Remote ROM Flash.

For more information on Remote ROM Flash, refer to the HP Client Manager or System Software Manager at

http://h18000.www1.hp.com/im/prodinfo.html.

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3.4.2 HPQFlash

The HPQFlash utility is used to locally update or restore the system BIOS on individual PCs through a Windows operating system.

For more information on HPQFlash, visit name/number of the computer when prompted.

http://www.hp.com/support/files and enter the product

3.4.3 Boot Block Emergency Recovery Mode

Boot Block Emergency Recovery Mode permits system recovery in the unlikely event of a ROM flash failure. For example, if a power failure were to occur during a BIOS upgrade, the ROM flash would be incomplete. This would render the system BIOS unusable. The Boot Block is a flash-protected section of the ROM that contains code that checks for a valid system BIOS image when the system is turned on.

■ If the system BIOS image is valid, the system starts normally.

■ If the system BIOS image is not valid, a failsafe Boot Block BIOS provides enough

support to search removable media for BIOS image files. If an appropriate BIOS image file is found, it is automatically flashed into the ROM.

When an invalid system BIOS image is detected, the system power LED will blink red 8 times, one blink every second. Simultaneously, the speaker will beep 8 times. If the portion of the system ROM containing the video option ROM image is not corrupt, “Boot Block Emergency Recovery Mode” will be displayed on the screen.

To recover the system after it enters Boot Block Emergency Recovery Mode, complete the following steps:

1. Turn off the power.

2. Insert a diskette, CD, or USB flash device containing the desired BIOS image file in the root directory.

Note: The media must be formatted using the FAT12, FAT16, or FAT32 file system.

✎

3. Turn on the computer.

If the system successfully reprograms the ROM, the system will automatically power off.

4. Remove the removable media used to upgrade the BIOS.

5. Turn the power on to restart the computer.

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3.4.4 Replicating the Setup

The following procedures give an administrator the ability to easily copy one setup configuration to other computers of the same model. This allows for faster, more consistent configuration of multiple computers.

Both procedures require a diskette drive or a supported USB flash media device, such as an HP

✎

Drive Key.

Copying to Single Computer

CAUTION: A setup configuration is model-specific. File system corruption may result if source and target

computers are not the same model. For example, do not copy the setup configuration from a dc7nnn PC to a dx7nnn PC.

1. Select a setup configuration to copy. Turn off the computer. If you are in Windows, click

Start > Shut Down > Shut Down.

2. If you are using a USB flash media device, insert it now.

3. Turn on the computer.

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4. As soon as the computer is turned on, press Computer Setup. Press

If you do not press F10 at the appropriate time, you must restart the computer and again press

✎

F10 when the monitor light turns green to access the utility.

5. If you are using a a diskette, insert it now.

6. Select File > Replicated Setup > Save to Removable Media. Follow the instructions on the screen to create the configuration diskette or USB flash media device.

7. Turn off the computer to be configured and insert the configuration diskette or USB flash media device.

8. Turn on the computer to be configured.

9. As soon as the computer is turned on, press Computer Setup. Press

10. Select File > Replicated Setup > Restore from Removable Media, and follow the

instructions on the screen.

11. Restart the computer when the configuration is complete.

Enter to bypass the title screen, if necessary.

F10 when the monitor light turns green to enter

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Copying to Multiple Computers

CAUTION: A setup configuration is model-specific. File system corruption may result if source and target

computers are not the same model. For example, do not copy the setup configuration from a dc7nnn PC to a dx7nnn PC.

This method takes a little longer to prepare the configuration diskette or USB flash media device, but copying the configuration to target computers is significantly faster.

A bootable diskette is required for this procedure or to create a bootable USB flash media device.

✎

If Windows XP is not available to use to create a bootable diskette, use the method for copying to a single computer instead (see “Copying to Single Computer”).

1. Create a bootable diskette or USB flash media device. See “Supported USB Flash Media

Device” or “Unsupported USB Flash Media Device.”

CAUTION: Not all computers can be booted from a USB flash media device. If the default boot order in

the Computer Setup (F10) Utility lists the USB device before the hard drive, the computer can be booted from a USB flash media device. Otherwise, a bootable diskette must be used.

2. Select a setup configuration to copy. Turn off the computer. If you are in Windows, click Start > Shut Down > Shut Down.

3. If you are using a USB flash media device, insert it now.

4. Turn on the computer.

5. As soon as the computer is turned on, press Computer Setup. Press

If you do not press F10 at the appropriate time, you must restart the computer and again press

✎

F10 when the monitor light turns green to access the utility.

6. If you are using a diskette, insert it now.

7. Select File > Replicated Setup > Save to Removable Media. Follow the instructions on the screen to create the configuration diskette or USB flash media device.

8. Download a BIOS utility for replicating setup (repset.exe) and copy it onto the configuration diskette or USB flash media device. To obtain this utility, go to

Software and Driver Downloads, and enter the model number of the computer.

9. On the configuration diskette or USB flash media device, create an autoexec.bat file containing the following command:

repset.exe

10. Turn off the computer to be configured. Insert the configuration diskette or USB flash media device and turn the computer on. The configuration utility will run automatically.

11. Restart the computer when the configuration is complete.

Enter to bypass the title screen, if necessary.

F10 when the monitor light turns green to enter

http://www.hp.com, click

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Creating a Bootable Device

Supported USB Flash Media Device

Supported devices have a preinstalled image to simplify the process of making them bootable. All HP or Compaq and most other USB flash media devices have this preinstalled image. If the USB flash media device being used does not have this image, use the procedure later in this section (see “Unsupported USB Flash Media Device”).

To create a bootable USB flash media device, you must have:

■ A supported USB flash media device.

■ A bootable DOS diskette with the FDISK and SYS programs. (If SYS is not available,

FORMAT may be used, but all existing files on the USB flash media device will be lost.)

■ A PC that is bootable from a USB flash media device.

CAUTION: Some older PCs may not be bootable from a USB flash media device. If the default boot

order in the Computer Setup (F10) Utility lists the USB device before the hard drive, the computer can be booted from a USB flash media device. Otherwise, a bootable diskette must be used.

1. Turn off the computer.

2. Insert the USB flash media device into one of the computer’s USB ports and remove all other USB storage devices except USB diskette drives.

3. Insert a bootable DOS diskette with FDISK.COM and either SYS.COM or FORMAT.COM into a diskette drive and turn on the computer to boot to the DOS diskette.

4. Run FDISK from the A:\ prompt by typing (Y) to enable large disk support.

5. Enter Choice [ drive that closely matches the size of one of the drives listed. It will usually be the last drive in the list. Note the letter of the drive.

USB flash media device drive: __________

CAUTION: If a drive does not match the USB flash media device, do not proceed. Data loss can occur.

Check all USB ports for additional storage devices. If any are found, remove them, reboot the computer, and proceed from step 4. If none are found, either the system does not support the USB flash media device or the USB flash media device is defective. DO NOT proceed in attempting to make the USB flash media device bootable.

6. Exit FDISK by pressing the Esc key to return to the A:\ prompt.

7. If your bootable DOS diskette contains SYS.COM, go to step 8. Otherwise, go to step 9.

8. At the A:\ prompt, enter

CAUTION: Be sure that you have entered the correct drive letter for the USB flash media device.

5] to display the drives in the system. The USB flash media device will be the

SYS x: where x represents the drive letter noted above.

FDISK and pressing Enter. If prompted, click Ye s

After the system files have been transferred, SYS will return to the A:\ prompt. Go to step 13.

9. Copy any files you want to keep from your USB flash media device to a temporary directory on another drive (for example, the system's internal hard drive).

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10. At the A:\ prompt, enter FORMAT /S X: where X represents the drive letter noted before.

CAUTION: Be sure that you have entered the correct drive letter for the USB flash media device.

FORMAT will display one or more warnings and ask you each time whether you want to proceed. Enter system files, and ask for a Volume Label.

Y each time. FORMAT will format the USB flash media device, add the

11. Press

12. Copy any files you saved in step 9 back to your USB flash media device.

13. Remove the diskette and reboot the computer. The computer will boot to the USB flash

The default boot order varies from computer to computer, and it can be changed in the Computer

✎

Setup (F10) Utility.

If you have used a DOS version from Windows 9x, you may see a brief Windows logo screen. If you do not want this screen, add a zero-length file named LOGO.SYS to the root directory of the USB flash media device.

Return to “Copying to Multiple Computers.”

Unsupported USB Flash Media Device

To create a bootable USB flash media device, you must have:

■ USB flash media device.

■ Bootable DOS diskette with the FDISK and SYS programs. (If SYS is not available,

■ PC that is bootable from a USB flash media device.

Enter for no label or enter one if desired.

media device as drive C.

FORMAT may be used, but all existing files on the USB flash media device will be lost.)

CAUTION: Some older PCs may not be bootable from a USB flash media device. If the default boot

order in the Computer Setup (F10) Utility lists the USB device before the hard drive, the computer can be booted from a USB flash media device. Otherwise, a bootable diskette must be used.

1. If there are any PCI cards in the system that have SCSI, ATA RAID, or SATA drives attached, turn off the computer and unplug the power cord.

CAUTION: The power cord MUST be unplugged.

2. Open the computer and remove the PCI cards.

3. Insert the USB flash media device into one of the computer's USB ports and remove all other USB storage devices except USB diskette drives. Close the computer cover.

4. Plug in the power cord and turn on the computer.

5. As soon as the computer is turned on, press Computer Setup. Press

If you do not press F10 at the appropriate time, you must restart the computer and again press

✎

F10 when the monitor light turns green to access the utility.

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Enter to bypass the title screen, if necessary.

F10 when the monitor light turns green to enter

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6. Go to Advanced > PCI Devices to disable both the PATA and SATA controllers. When disabling the SATA controller, note the IRQ to which the controller is assigned. You will need to reassign the IRQ later. Exit setup, confirming the changes.

SATA IRQ: __________

7. Insert a bootable DOS diskette with FDISK.COM and either SYS.COM or FORMAT.COM into a diskette drive and turn on the computer to boot to the DOS diskette.

8. Run FDISK and delete any existing partitions on the USB flash media device. Create a new partition and mark it active. Exit FDISK by pressing the

Esc key.

9. If the system did not automatically restart when exiting FDISK, press reboot to the DOS diskette.

10. At the A:\ prompt, type media device, add the system files, and ask for a Volume Label.

11. Press

12. Turn off the computer and unplug the power cord. Open the computer and re-install any PCI

13. Plug in the power cord, remove the diskette, and turn on the computer.

14. As soon as the computer is turned on, press

15. Go to Advanced > PCI Devices and re-enable the PATA and SATA controllers that were

16. Save the changes and exit. The computer will boot to the USB flash media device as drive C.

The default boot order varies from computer to computer, and it can be changed in the Computer

✎

Setup (F10) Utility. Refer to the Computer Setup (F10) Utility Guide on the Documentation and Diagnostics CD for instructions.

Enter for no label or enter one if desired.

cards that were previously removed. Close the computer cover.

Computer Setup. Press

disabled in step 6. Put the SATA controller on its original IRQ.

FORMAT C: /S and press Enter. Format will format the USB flash

F10 when the monitor light turns green to enter

Enter to bypass the title screen, if necessary.

Ctrl+Alt+Del to

Return to “Copying to Multiple Computers.”

3.4.5 Dual-State Power Button

With Advanced Configuration and Power Interface (ACPI) enabled, the power button can function either as an on/off switch or as a standby button. The stand-by feature does not completely turn off power, but instead causes the computer to enter a low-power standby state. This allows you to power down quickly without closing applications and to return quickly to the same operational state without any data loss.

To change the power button’s configuration, complete the following steps:

1. Left click on the Start Button, then select Control Panel > Power Options.

2. In the Power Options Properties, select the Advanced tab.

3. In the Power Button section, select Stand by.

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After configuring the power button to function as a standby button, press the power button to put the system in a very low power state (standby). Press the button again to quickly bring the system out of standby to full power status. To completely turn off all power to the system, press and hold the power button for four seconds.

CAUTION: Do not use the power button to turn off the computer unless the system is not responding;

turning off the power without operating system interaction could cause damage to or loss of data on the hard drive.

3.4.6 HP Web Site Support

When making the transition to new or revised operating systems, it is important to implement the support software designed for that operating system. If you plan to run a version of Microsoft Windows that is different from the version included with the computer, you must install corresponding device drivers and utilities to ensure that all features are supported and functioning properly.

HP has made the task of locating, accessing, evaluating, and installing the latest support software easier. You can download the software from

The Web site contains the latest device drivers, utilities, and flashable ROM images needed to run the latest Microsoft Windows operating system on the HP computer.

http://www.hp.com/support.

3.4.7 Industry Standards

HP management solutions integrate with other systems management applications, and are based on industry standards, such as:

■ Web-Based Enterprise Management (WBEM)

■ Windows Management Interface (WMI)

■ Wake on LAN Technology

■ ACPI

■ SMBIOS

■ Pre-boot Execution (PXE) support

3.5 Asset Tracking and Security

Asset tracking features incorporated into the computer provide key asset tracking data that can be managed using HP Systems Insight Manager, HP Client Manager or other system management applications. Seamless, automatic integration between asset tracking features and these products enables you to choose the management tool that is best suited to the environment and to leverage the investment in existing tools.

HP also offers several solutions for controlling access to valuable components and information. HP Embedded Security for ProtectTools, if installed, prevents checks system integrity and authenticates third-party users attempting system access. (For more

information, refer to the HP ProtectTools Security Manager Guide at

features such as HP Embedded Security for ProtectTools, the Smart Cover Sensor and the Smart Cover Lock, available on some models, help to prevent unauthorized access to the internal components of the personal computer. By disabling parallel, serial, or USB ports, or by disabling

unauthorized access to data and

www.hp.com.) Security

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removable media boot capability, you can protect valuable data assets. Memory Change and Smart Cover Sensor alerts can be automatically forwarded to system management applications to deliver proactive notification of tampering with a computer’s internal components.

HP Embedded Security for ProtectTools, the Smart Cover Sensor, and the Smart Cover Lock are

✎

available as options on some systems.

Use the following utilities to manage security settings on the HP computer:

■ Locally, using the Computer Setup Utilities. See the Computer Setup (F10) Utility Guide on

the Documentation and Diagnostics CD included with the computer for additional

information and instructions on using the Computer Setup Utilities. Some computers also have HP BIOS Configuration for ProtectTools, which is a Windows-based component of ProtectTools that allows administrators to configure BIOS security settings from within the running OS.

■ Remotely, using HP Client Manager Software or System Software Manager. This software

enables the secure, consistent deployment and control of security settings from a simple command-line utility.

The following table and sections refer to managing security features of the computer locally through the Computer Setup (F10) Utilities.

Security Features Overview

Option Description

Setup Password Allows you to set and enable setup (administrator) password.

If the setup password is set, it is required to change

✎

Computer Setup options, flash the ROM, and make changes to certain plug and play settings under Windows.

Power-On Password Allows you to set and enable power-on password.

Password Options (This selection will appear only

if a power-on password is set.)

Pre-Boot Authorization Allows you to enable/disable the Smart Card to be used in

Smart Cover Allows you to:

Allows you to specify whether the password is required for warm boot (CTRL+ALT+DEL) (appears if a power-on password is set).

place of the Power-On Password.

• Enable/disable the Cover Lock.

• Enable/disable the Cover Removal Sensor.

Notify User alerts the user that the sensor has detected that

✎

the cover has been removed. Setup Password requires that the setup password be entered to boot the computer if the sensor detects that the cover has been removed.

This feature is supported on some models only and will only appear if a Smart Card reader is attached to the system.

Embedded Security Allows you to:

• Enable/disable the Embedded Security device.

• Reset the device to Factory Settings.

For more information about Computer Setup, see the Computer Setup (F10) Utility Guide.

✎

Support for security features may vary depending on your specific computer configuration.

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Security Features Overview (Continued)

Device Security Enables/disables serial ports, parallel port, front USB ports,

Network Service Boot Enables/disables the computer’s ability to boot from an

System IDs Allows you to set:

Option Description

system audio, network controllers (some models), and SCSI controllers (some models).

operating system installed on a network server. (Feature available on NIC models only; the network controller must reside on the PCI bus or be embedded on the system board.)

• Asset tag (18-byte identifier) and ownership Tag (80-byte identifier displayed during POST).

• Keyboard locale setting (for example, English or German) for System ID entry.

DriveLock (some models) Allows you to assign or modify a master or user password for

certain ATA hard drives. When this feature is enabled, the user is prompted to provide one of the DriveLock passwords during POST. If neither is successfully entered, the hard drive will remain inaccessible until one of the passwords is successfully provided during a subsequent cold-boot sequence.

This selection will only appear when at least one drive that

✎

supports ATA Security is attached to the system.

For more information about Computer Setup, see the Computer Setup (F10) Utility Guide.

✎

Support for security features may vary depending on your specific computer configuration.

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Mechanical Security Features

Feature Purpose How It Is Established

Desktop Management

Memory Change Alerts Detects when memory modules

Cable Lock Provision Inhibits access to the interior of

Security Loop Provision Inhibits access to the interior of

3.5.1 Password Security

The power-on password prevents unauthorized use of the computer by requiring entry of a password to access applications or data each time the computer is turned on or restarted. The setup password specifically prevents unauthorized access to Computer Setup, and can also be used as an override to the power-on password. That is, when prompted for the power-on password, entering the setup password instead will allow access to the computer.

have been added, moved, or removed; notifies user and system administrator.

the computer to prevent unwanted configuration changes or component removal. Can also be used to secure the computer to a fixed object to prevent theft.

the computer to prevent unwanted configuration changes or component removal.

This feature is automatic.

Install a cable lock to secure the computer to a fixed object.

Install a lock in the security loop to prevent unwanted configuration changes or component removal.

A network-wide setup password can be established to enable the system administrator to log in to all network systems to perform maintenance without having to know the power-on password, even if one has been established.

3.5.2 Establishing a Setup Password Using Computer Setup

If the system is equipped with an embedded security device, refer to the HP ProtectTools Security Manager Guide at

Setup prevents reconfigration of the computer (use of the Computer Setup (F10) utility) until the password is entered.

1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart.

2. As soon as the computer is turned on, press Computer Setup. Press

If you do not press F10 at the appropriate time, you must restart the computer and again press

✎

F10 when the monitor light turns green to access the utility.

3. Select Security, then select Setup Password and follow the instructions on the screen.

4. Before exiting, Select File > Save Changes and Exit.

www.hp.com. Establishing a setup password through Computer

F10 when the monitor light turns green to enter

Enter to bypass the title screen, if necessary.

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3.5.3 Establishing a Power-On Password Using Computer Setup

Establishing a power-on password through Computer Setup prevents access to the computer when power is turned on, unless the password is entered. When a power-on password is set, Computer Setup presents Password Options under the Security menu. Password options include Password Prompt on Warm Boot. When Password Prompt on Warm Boot is enabled, the password must also be entered each time the computer is rebooted.

1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart.

2. As soon as the computer is turned on, press Computer Setup. Press

If you do not press F10 at the appropriate time, you must restart the computer and again press

✎

F10 when the monitor light turns green to access the utility.

3. Select Security, then Power-On Password and follow the instructions on the screen.

4. Before exiting, select File > Save Changes and Exit.

Enter to bypass the title screen, if necessary.

F10 when the monitor light turns green to enter

Entering a Power-On Password

To enter a power-on password, complete the following steps:

1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart.

2. When the key icon appears on the monitor, type the current password, then press

Type carefully; for security reasons, the characters you type do not appear on the screen.

✎

If you enter the password incorrectly, a broken key icon appears. Try again. After three unsuccessful tries, you must turn off the computer, then turn it on again before you can continue.

Entering a Setup Password

If the system is equipped with an embedded security device, refer to the HP ProtectTools Security Manager Guide at

www.hp.com.

Enter.

If a setup password has been established on the computer, you will be prompted to enter it each time you run Computer Setup.

1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart.

2. As soon as the computer is turned on, press Computer Setup. Press

If you do not press F10 at the appropriate time, you must restart the computer and again press

✎

F10 when the monitor light turns green to access the utility.

3. When the key icon appears on the monitor, type the setup password, then press

Type carefully; for security reasons, the characters you type do not appear on the screen.

Enter to bypass the title screen, if necessary.

F10 when the monitor light turns green to enter

Enter.

✎

If you enter the password incorrectly, a broken key icon appears. Try again. After three unsuccessful tries, you must turn off the computer, then turn it on again before you can continue.

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Desktop Management

Changing a Power-On or Setup Password

If the system is equipped with an embedded security device, refer to the HP ProtectTools Security Manager Guide at

1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart.

2. To change the Power-On password, go to step 3.

www.hp.com.

To change the Setup password, as soon as the computer is turned on, press monitor light turns green to enter Computer Setup. Press necessary.

If you do not press F10 at the appropriate time, you must restart the computer and again press

✎

F10 when the monitor light turns green to access the utility.

3. When the key icon appears, type the current password, a slash (/) or alternate delimiter character, the new password, another slash (/) or alternate delimiter character, and the new password again as shown:

current password/new password/new password

Type carefully; for security reasons, the characters you type do not appear on the screen.

Enter to bypass the title screen, if

F10 when the

✎

4. Press

The new password takes effect the next time you turn on the computer.

Refer to “National Keyboard Delimiter Characters” for information about the alternate delimiter

✎

characters. The power-on password and setup password may also be changed using the Security options in Computer Setup.

Deleting a Power-On or Setup Password

Enter.

If the system is equipped with an embedded security device, refer to the HP ProtectTools Security Manager Guide at

1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart.

2. To delete the Power-On password, go to step 3.

To delete the Setup password, as soon as the computer is turned on, press monitor light turns green to enter Computer Setup. Press necessary.

If you do not press F10 at the appropriate time, you must restart the computer and again press

✎

F10 when the monitor light turns green to access the utility.

3. When the key icon appears, type the current password followed by a slash (/) or alternate delimiter character as shown:

current password/

4. Press Enter.

Refer to the National Keyboard Delimiter Character table below for information about the

✎

alternate delimiter characters. The power-on password and setup password may also be changed using the Security options in Computer Setup.

Service Reference Guide, dx7300 433611-001 3–21

www.hp.com.

F10 when the

Enter to bypass the title screen, if

Desktop Management

National Keyboard Delimiter Characters

Each keyboard is designed to meet country-specific requirements. The syntax and keys that you use for changing or deleting your password depend on the keyboard that came with your computer.

Arabic / Greek - Russian / Belgian = Hebrew . Slovakian BHCSY* - Hungarian - Spanish Brazilian / Italian - Swedish/Finnish / Chinese / Japanese / Swiss Czech - Korean / Taiwanese / Danish -Latin American -Thai / French ! Norwegian - Turkish . French Canadian é Polish - U.S. English / German - Portuguese * For Bosnia-Herzegovina, Croatia, Slovenia, and Yugoslavia

National Keyboard Delimiter Characters

Clearing Passwords

If you forget the password, you cannot access the computer. Refer to the Troubleshooting Guide on the Documentation and Diagnostics CD for instructions on clearing passwords.

If the system is equiped with an embedded security device, refer to the HP ProtectTools Security Manager Guide at

3.5.4 DriveLock

DriveLock is an industry-standard security feature that prevents unauthorized access to the data on ATA hard drives. DriveLock has been implemented as an extension to Computer Setup. It is only available when hard drives that support the ATA Security command set are detected.

DriveLock is intended for HP customers for whom data security is the paramount concern. For such customers, the cost of the hard drive and the loss of the data stored on it is inconsequential when compared with the damage that could result from unauthorized access to its contents. In order to balance this level of security with the practical need to accommodate a forgotten password, the HP implementation of DriveLock employs a two-password security scheme. One password is intended to be set and used by a system administrator while the other is typically set and used by the end-user. There is no “back-door” that can be used to unlock the drive if both passwords are lost. Therefore, DriveLock is most safely used when the data contained on the hard drive is replicated on a corporate information system or is regularly backed up.

In the event that both DriveLock passwords are lost, the hard drive is rendered unusable. For users who do not fit the previously defined customer profile, this may be an unacceptable risk. For users who do fit the customer profile, it may be a tolerable risk given the nature of the data stored on the hard drive.

www.hp.com.

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Desktop Management

Using DriveLock

When one or more hard drives that support the ATA Security command set are detected, the DriveLock option appears under the Security menu in Computer Setup. The user is presented with options to set the master password or to enable DriveLock. A user password must be provided in order to enable DriveLock. Since the initial configuration of DriveLock is typically performed by a system administrator, a master password should be set first. HP encourages system administrators to set a master password whether they plan to enable DriveLock or keep it disabled. This will give the administrator the ability to modify DriveLock settings if the drive is locked in the future. Once the master password is set, the system administrator may enable DriveLock or choose to keep it disabled.

If a locked hard drive is present, POST will require a password to unlock the device. If a power-on password is set and it matches the device’s user password, POST will not prompt the user to re-enter the password. Otherwise, the user will be prompted to enter a DriveLock password. On a cold boot, either the master or the user password may be used. On a warm boot, enter the same password used to unlock the drive during the preceding cold-boot. Users will have two attempts to enter a correct password. On a cold boot, if neither attempt succeeds, POST will continue but the drive will remain inaccessible. On a warm boot or restart from Windows, if neither attempt succeeds, POST will halt and the user will be instructed to cycle power.

DriveLock Applications

The most practical use of the DriveLock security feature is in a corporate environment. The system administrator would be responsible for configuring the hard drive which would involve, among other things, setting the DriveLock master password and a temporary user password. In the event that the user forgets the user password or the equipment is passed on to another employee, the master password can always be used to reset the user password and regain access to the hard drive.

HP recommends that corporate system administrators who choose to enable DriveLock also establish a corporate policy for setting and maintaining master passwords. This should be done to prevent a situation where an employee intentionally or unintentionally sets both DriveLock passwords before leaving the company. In such a scenario, the hard drive would be rendered unusable and require replacement. Likewise, by not setting a master password, system administrators may find themselves locked out of a hard drive and unable to perform routine checks for unauthorized software, other asset control functions, and support.

For users with less stringent security requirements, HP does not recommend enabling DriveLock. Users in this category include personal users or users who do not maintain sensitive data on their hard drives as a common practice. For these users, the potential loss of a hard drive resulting from forgetting both passwords is much greater than the value of the data DriveLock has been designed to protect. Access to Computer Setup and DriveLock can be restricted through the Setup password. By specifying a Setup password and not giving it to end users, system administrators are able to restrict users from enabling DriveLock.

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Desktop Management

3.5.5 Smart Cover Sensor

Cover Removal Sensor, available on some models, is a combination of hardware and software technology that can alert you when the computer cover or side panel has been removed. There are three levels of protection, as described in the following table.

Smart Cover Sensor Protection Levels

Level Setting Description

Level 0 Disabled Smart Cover Sensor is disabled (default).

Level 1 Notify User When the computer is restarted, the screen

Level 2 Setup Password When the computer is restarted, the screen

These settings can be changed using Computer Setup. For more information about Computer

✎

Setup, see the Computer Setup (F10) Utility Guide.

displays a message indicating that the computer cover or side panel has been removed.

displays a message indicating that the computer cover or side panel has been removed. You must enter the setup password to continue.

Setting the Smart Cover Sensor Protection Level

To set the Smart Cover Sensor protection level, complete the following steps:

1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart.

2. As soon as the computer is turned on, press Computer Setup. Press

If you do not press F10 at the appropriate time, you must restart the computer and again press

✎

F10 when the monitor light turns green to access the utility.

3. Select Security > Smart Cover > Cover Removal Sensor, and select the desired security level.

4. Before exiting, select File > Save Changes and Exit.

Enter to bypass the title screen, if necessary.

F10 when the monitor light turns green to enter

Smart Cover Lock

The Smart Cover Lock is a software-controllable cover lock featured on some HP computers. This lock prevents unauthorized access to the internal components. Computers ship with the Smart Cover Lock in the unlocked position.

CAUTION: For maximum cover lock security, be sure to establish a setup password. The setup password

prevents unauthorized access to the Computer Setup utility.

The Smart Cover Lock is available as an option on some systems.

✎

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Desktop Management

Locking the Smart Cover Lock

To activate and lock the Smart Cover Lock, complete the following steps:

1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart.

2. As soon as the computer is turned on, press Computer Setup. Press

If you do not press F10 at the appropriate time, you must restart the computer and again press

✎

F10 when the monitor light turns green to access the utility.

3. Select Security > Smart Cover > Cover Lock > Lock option.

4. Before exiting, select File > Save Changes and Exit.

Enter to bypass the title screen, if necessary.

F10 when the monitor light turns green to enter

Unlocking the Smart Cover Lock

1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart.

2. As soon as the computer is turned on, press Computer Setup. Press

If you do not press F10 at the appropriate time, you must restart the computer and again press

✎

F10 when the monitor light turns green to access the utility.

3. Select Security > Smart Cover > Cover Lock > Unlock.

4. Before exiting, select File > Save Changes and Exit.

Enter to bypass the title screen, if necessary.

F10 when the monitor light turns green to enter

Using the Smart Cover FailSafe Key

If you enable the Smart Cover Lock and cannot enter your password to disable the lock, you will need a Smart Cover FailSafe Key to open the computer cover. You will need the key in any of the following circumstances:

■ Power outage

■ Startup failure

■ PC component failure (such as processor or power supply)

■ Forgotten password

CAUTION: The Smart Cover FailSafe Key is a specialized tool available from HP. Be prepared; order

this key before you need one (Tamper-resistant wrench PN 166527-001 or tamper-resistant bits PN 16 652 7- 0 0 2 ) .

For more information about using the Smart Cover FailSafe Key, please see the Removal and Replacement chapter for the specific chassis.

3.5.6 Cable Lock Provision

The rear panel of the computer accommodates a cable lock so that the computer can be physically secured to a work area. For illustrated instructions, please see the Removal and Replacement chapter for the specific chassis.

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Desktop Management

3.5.7 Fingerprint Identification Technology

Eliminating the need to enter user passwords, HP Fingerprint Identification Technology tightens network security, simplifies the login process, and reduces the costs associated with managing corporate networks. Affordably priced, it is not just for high-tech, high-security organizations anymore.

Support for Fingerprint Identification Technology varies by model.

✎

For more information, visit

http://h18004.www1.hp.com/products/security/.

3.6 Fault Notification and Recovery

Fault Notification and Recovery features combine innovative hardware and software technology to prevent the loss of critical data and minimize unplanned downtime.

If the computer is connected to a network managed by HP Client Manager, the computer sends a fault notice to the network management application. With HP Client Manager, you can also remotely schedule diagnostics to automatically run on all managed PCs and create a summary report of failed tests.

3.6.1 Drive Protection System

The Drive Protection System (DPS) is a diagnostic tool built into the hard drives installed in some HP computers. DPS is designed to help diagnose problems that might result in unwarranted hard drive replacement.

When HP computers are built, each installed hard drive is tested using DPS, and a permanent record of key information is written onto the drive. Each time DPS is run, test results are written to the hard drive. Your service provider can use this information to help diagnose conditions that

caused you to run the DPS software. Refer to the Tr oubleshooting Guide for instructions on using

DPS.

3.6.2 Surge-Tolerant Power Supply

An integrated surge-tolerant power supply provides greater reliability when the computer is hit with an unpredictable power surge. This power supply is rated to withstand a power surge of up to 2000 volts without incurring any system downtime or data loss.

3.6.3 Thermal Sensor

The thermal sensor is a hardware and software feature that tracks the internal temperature of the computer. This feature displays a warning message when the normal range is exceeded, which gives you time to take action before internal components are damaged or data is lost.

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Serial and Parallel ATA Drive Guidelines and

Features

Serial ATA = SATA

✎

Parallel ATA = PATA

HP only supports the use of SATA hard drives on these models of computer. The USDT model is the only product that supports a PATA optical drive. No PATA drives are supported on any other model.

4.1 SATA Hard Drives

Serial ATA Hard Drive Characteristics

Number of pins/conductors in data cable 7/7

Number of pins in power cable 15

Maximum data cable length 39.37 in (100 cm)

Data interface voltage differential 400-700 mV

Drive voltages 3.3 V, 5V, 12 V

Jumpers for configuring drive N/A

Data transfer rate 3.0 Gb/s

SATA connectors on the system board are color coded to make identification easier.

Attachment

SATA Identification Color Port

Primary channel, device 0 Dark blue SATA 0 1

Primary channel, device 1 Light Blue SATA 2 4

Secondary channel, device 0 White SATA 1 2

Secondary channel, device 1 Orange SATA 3 3

If there is an error on the application of the attach rules, a POST error message may be displayed.

Sequence

✎

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Serial and Parallel ATA Drive Guidelines and Features

4.2 SATA Hard Drive Cables

4.2.1 SATA Data Cable

Always use an HP approved SATA 3.0 Gb/s cable as it is fully backwards compatible with the SATA 1.5 Gb/s drives.

Current HP desktop products ship with SATA 3.0 Gb/s hard drives.

SATA data cables are susceptible to damage if overflexed. Never crease a SATA data cable and never bend it tighter than a 30 mm (1.18 in) radius.

The SATA data cable is a thin, 7-pin cable designed to transmit data for only a single drive. As shown in the table, each cable has 3 grounds, and 4 transmit/receive pins.

Pin Number Usage Device Plug Host Plug

P1 Ground Ground Ground

P2* A+ Transmit data Receive data

P3* A- Transmit data Receive data

P4 Ground Ground Ground

P5** B- Receive data Transmit data

P6** B+ Receive data Transmit data

P7 Ground Ground Ground

*P2 and P3 differential signal pair **P5 and P6 differential signal pair

4.2.2 SATA Power Cable

Pin Usage Notes Pin Usage Notes

P1 V3.3 3.3 V power P9 V5 5 V power

P2 V3.3 3.3 V power P10 Ground

P3 V3.3 3.3 V power P11 Ground

P4 Ground P12 Ground

P 5 G r o u n d P 13 V 12 12 V p o w e r

P6 Ground P14 V12 12 V power

P7 V5 5 V power P15 V12 12 V p ow e r

P8 V5 5 V power

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4.3 PATA Device Information

The USDT model is the only product that supports a PATA optical drive. No PATA drives are supported on any other model.

4.4 ATA SMART Drives

The Self Monitoring Analysis and Recording Technology (SMART) ATA drives for the HP Personal Computers have built-in drive failure prediction that warns the user or network administrator of an impending failure or crash of the hard drive. The SMART drive tracks fault prediction and failure indication parameters such as reallocated sector count, spin retry count, and calibration retry count. If the drive determines that a failure is imminent, it generates a fault alert.

4.5 Hard Drive Capacities

The combination of the file system and the operating system used in the computer determines the maximum usable size of a drive partition. A drive partition is the largest segment of a drive that may be properly accessed by the operating system. A single hard drive may therefore be subdivided into a number of unique drive partitions in order to make use of all of its space.

Serial and Parallel ATA Drive Guidelines and Features

Because of the differences in the way that drive sizes are calculated, the size reported by the operating system may differ from that marked on the hard drive or listed in the computer specification. Drive size calculations by drive manufacturers are bytes to the base 10 while calculations by Microsoft are bytes to the base 2.

Drive/Partition Capacity Limits

Maximum Size

File

System

FAT 32 ATA Windows 2000/ XP 32 GB 2 TB

NTFS ATA Windows NT/2000/XP 2 TB 2 TB

Controller

Type Operating System

Partition Drive

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Serial and Parallel ATA Drive Guidelines and Features

4–4 433611-001 Service Reference Guide, dx7300

Identifying the Chassis, Routine Care, and

Disassembly Preparation

This chapter provides general service information for the computer. Adherence to the procedures and precautions described in this chapter is essential for proper service.

CAUTION: When the computer is plugged into an AC power source, voltage is always applied to the

system board. You must disconnect the power cord from the power source before opening the computer to prevent system board or component damage.

5.1 Chassis Designations

5.1.1 Microtower (MT)

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Identifying the Chassis, Routine Care, and Disassembly Preparation

5.1.2 Slim Tower (ST)

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Identifying the Chassis, Routine Care, and Disassembly Preparation

5.2 Electrostatic Discharge Information

A sudden discharge of static electricity from your finger or other conductor can destroy static-sensitive devices or microcircuitry. Often the spark is neither felt nor heard, but damage occurs. An electronic device exposed to electrostatic discharge (ESD) may not appear to be affected at all and can work perfectly throughout a normal cycle. The device may function normally for a while, but it has been degraded in the internal layers, reducing its life expectancy.

Networks built into many integrated circuits provide some protection, but in many cases, the discharge contains enough power to alter device parameters or melt silicon junctions.

5.2.1 Generating Static

The following table shows that:

■ Different activities generate different amounts of static electricity.

■ Static electricity increases as humidity decreases.

Relative Humidity

Event 55% 40% 10%

Walking across carpet Walking across vinyl floor Motions of bench worker Removing DIPs* from plastic tube

Removing DIPs* from vinyl tray Removing DIPs* from Styrofoam Removing bubble pack from PCB Packing PCBs in foam-lined box

*These are then multi-packaged inside plastic tubes, trays, or Styrofoam.

7, 5 0 0 V

3,000 V

400 V 400 V

2,000 V 3,500 V

7,000 V

5,000 V

15 ,0 0 0 V

5,000 V

800 V 700 V

4,000 V 5,000 V

20,000 V

11, 0 0 0 V

35,000 V

12,0 0 0 V

14,500 V

26,500 V

21,00 0 V

700 volts can degrade a product.

✎

5.2.2 Preventing Electrostatic Damage to Equipment

Many electronic components are sensitive to ESD. Circuitry design and structure determine the degree of sensitivity. The following packaging and grounding precautions are necessary to prevent damage to electric components and accessories.

■ To avoid hand contact, transport products in static-safe containers such as tubes, bags, or

boxes.

■ Protect all electrostatic parts and assemblies with conductive or approved containers or

packaging.

6,000 V 2,000 V

11,500 V

■ Keep electrostatic sensitive parts in their containers until they arrive at static-free stations.

■ Place items on a grounded surface before removing them from their container.

■ Always be properly grounded when touching a sensitive component or assembly.

■ Avoid contact with pins, leads, or circuitry.

■ Place reusable electrostatic-sensitive parts from assemblies in protective packaging or

conductive foam.

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Identifying the Chassis, Routine Care, and Disassembly Preparation

5.2.3 Personal Grounding Methods and Equipment

Use the following equipment to prevent static electricity damage to equipment:

■ Wrist straps are flexible straps with a maximum of one-megohm ± 10% resistance in the

ground cords. To provide proper ground, a strap must be worn snug against bare skin. The ground cord must be connected and fit snugly into the banana plug connector on the grounding mat or workstation.

■ Heel straps/Toe straps/Boot straps can be used at standing workstations and are

compatible with most types of shoes or boots. On conductive floors or dissipative floor mats, use them on both feet with a maximum of one-megohm ± 10% resistance between the operator and ground.

Static Shielding Protection Levels

Method Voltage

Antistatic plastic Carbon-loaded plastic Metallized laminate

1, 5 00 7,500 15 , 0 0 0

5.2.4 Grounding the Work Area

To prevent static damage at the work area, use the following precautions:

■ Cover the work surface with approved static-dissipative material. Provide a wrist strap

connected to the work surface and properly grounded tools and equipment.

■ Use static-dissipative mats, foot straps, or air ionizers to give added protection.

■ Handle electrostatic sensitive components, parts, and assemblies by the case or PCB

laminate. Handle them only at static-free work areas.

■ Turn off power and input signals before inserting and removing connectors or test

equipment.

■ Use fixtures made of static-safe materials when fixtures must directly contact dissipative

surfaces.

■ Keep work area free of nonconductive materials such as ordinary plastic assembly aids and

Styrofoam.

■ Use field service tools, such as cutters, screwdrivers, and vacuums, that are conductive.

5.2.5 Recommended Materials and Equipment

Materials and equipment that are recommended for use in preventing static electricity include:

■ Antistatic tape

■ Antistatic smocks, aprons, or sleeve protectors

■ Conductive bins and other assembly or soldering aids

■ Conductive foam

■ Conductive tabletop workstations with ground cord of one-megohm +/- 10% resistance

■ Static-dissipative table or floor mats with hard tie to ground

■ Field service kits

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Identifying the Chassis, Routine Care, and Disassembly Preparation

■ Static awareness labels

■ Wrist straps and footwear straps providing one-megohm +/- 10% resistance

■ Material handling packages

■ Conductive plastic bags

■ Conductive plastic tubes

■ Conductive tote boxes

■ Opaque shielding bags

■ Transparent metallized shielding bags

■ Transparent shielding tubes

5.3 Operating Guidelines

To prevent overheating and to help prolong the life of the computer:

■ Keep the computer away from excessive moisture, direct sunlight, and extremes of heat and

cold.

■ Operate the computer on a sturdy, level surface. Leave a 10.2-cm (4-inch) clearance on all

vented sides of the computer and above the monitor to permit the required airflow.

■ Never restrict the airflow into the computer by blocking any vents or air intakes. Do not place

the keyboard, with the keyboard feet down, directly against the front of the desktop unit as this also restricts airflow.

■ Occasionally clean the air vents on all vented sides of the computer. Lint, dust, and other

foreign matter can block the vents and limit the airflow. Be sure to unplug the computer before cleaning the air vents.

■ Never operate the computer with the cover or side panel removed.

■ Do not stack computers on top of each other or place computers so near each other that they

are subject to each other’s re-circulated or preheated air.

■ If the computer is to be operated within a separate enclosure, intake and exhaust ventilation

must be provided on the enclosure, and the same operating guidelines listed above will still apply.

■ Keep liquids away from the computer and keyboard.

■ Never cover the ventilation slots on the monitor with any type of material.

■ Install or enable power management functions of the operating system or other software,

including sleep states.

5.4 Routine Care

5.4.1 General Cleaning Safety Precautions

1. Never use solvents or flammable solutions to clean the computer.

2. Never immerse any parts in water or cleaning solutions; apply any liquids to a clean cloth and then use the cloth on the component.

3. Always unplug the computer when cleaning with liquids or damp cloths.

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Identifying the Chassis, Routine Care, and Disassembly Preparation

4. Always unplug the computer before cleaning the keyboard, mouse, or air vents.

5. Disconnect the keyboard before cleaning it.

6. Wear safety glasses equipped with side shields when cleaning the keyboard.

5.4.2 Cleaning the Computer Case

Follow all safety precautions in Section 5.4.1 before cleaning the computer.

To clean the computer case, follow the procedures described below:

■ To remove light stains or dirt, use plain water with a clean, lint-free cloth or swab.

■ For stronger stains, use a mild dishwashing liquid diluted with water. Rinse well by wiping it

with a cloth or swab dampened with clear water.

■ For stubborn stains, use isopropyl (rubbing) alcohol. No rinsing is needed as the alcohol will

evaporate quickly and not leave a residue.

■ After cleaning, always wipe the unit with a clean, lint-free cloth.

■ Occasionally clean the air vents on the computer. Lint and other foreign matter can block the

vents and limit the airflow.

5.4.3 Cleaning the Keyboard

Follow all safety precautions in Section 5.4.1 before cleaning the keyboard.

To clean the tops of the keys or the keyboard body, follow the procedures described in Section

5.4.2.

When cleaning debris from under the keys, review all rules in Section 5.4.1 before following these procedures:

CAUTION: Use safety glasses equipped with side shields before attempting to clean debris from under

the keys.

■ Visible debris underneath or between the keys may be removed by vacuuming or shaking.

■ Canned, pressurized air may be used to clean debris from under the keys. Caution should be

used as too much air pressure can dislodge lubricants applied under the wide keys.

■ If you remove a key, use a specially designed key puller to prevent damage to the keys. This

tool is available through many electronic supply outlets.

CAUTION: Never remove a wide leveled key (like the space bar) from the keyboard. If these keys are

improperly removed or installed, the keyboard may not function properly.

■ Cleaning under a key may be done with a swab moistened with isopropyl alcohol and

squeezed out. Be careful not to wipe away lubricants necessary for proper key functions. Use tweezers to remove any fibers or dirt in confined areas. Allow the parts to air dry before reassembly.

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5.4.4 Cleaning the Monitor

■ Wipe the monitor screen with a clean cloth moistened with water or with a towelette

designed for cleaning monitors. Do not use sprays or aerosols directly on the screen; the liquid may seep into the housing and damage a component. Never use solvents or flammable liquids on the monitor.

■ To clean the monitor body follow the procedures in Section 5.4.2.

5.4.5 Cleaning the Mouse

Before cleaning the mouse, ensure that the power to the computer is turned off.

■ Clean the mouse ball by first removing the retaining plate and the ball from the housing. Pull

out any debris from the ball socket and wipe the ball with a clean, dry cloth before reassembly.

■ To clean the mouse body, follow the procedures in Section 5.4.2.

5.5 Service Considerations

Listed below are some of the considerations that you should keep in mind during the disassembly and assembly of the computer.

5.5.1 Power Supply Fan

The power supply fan is a variable-speed fan based on the temperature in the power supply.

CAUTION: The cooling fan is always on when the computer is in the “On” mode. The cooling fan is off

when the computer is in “Standby,” “Suspend,” or “Off” modes.

You must disconnect the power cord from the power source before opening the computer to prevent system board or component damage.

5.5.2 Tools and Software Requirements

To service the computer, you need the following:

■ Torx T-15 screwdriver (HP screwdriver with bits, PN 161946-001)

■ Torx T-15 screwdriver with small diameter shank (for certain front bezel removal)

■ Flat-bladed screwdriver (may sometimes be used in place of the Torx screwdriver)

■ Phillips #2 screwdriver

■ Diagnostics software

■ HP tamper-resistant T-15 wrench (Smart Cover FailSafe Key, PN 166527-001) or

HP tamper-resistant bits (Smart Cover FailSafe Key, PN 166527-002)

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Identifying the Chassis, Routine Care, and Disassembly Preparation

5.5.3 Screws

The screws used in the computer are not interchangeable. They may have standard or metric threads and may be of different lengths. If an incorrect screw is used during the reassembly process, it can damage the unit. HP strongly recommends that all screws removed during disassembly be kept with the part that was removed, then returned to their proper locations.

Metric screws have a black finish.

✎

U.S. screws have a silver finish and are used on hard drives only.

As each subassembly is removed from the computer, it should be placed away from the work

✎

area to prevent damage.

5.5.4 Cables and Connectors

Most cables used throughout the unit are flat, flexible cables. These cables must be handled with care to avoid damage. Apply only the tension required to seat or unseat the cables during insertion or removal from the connector. Handle cables by the connector whenever possible. In all cases, avoid bending or twisting the cables, and ensure that the cables are routed in such a way that they cannot be caught or snagged by parts being removed or replaced.

CAUTION: When servicing this computer, ensure that cables are placed in their proper location during

the reassembly process. Improper cable placement can damage the computer.

5.5.5 Hard Drives

Handle hard drives as delicate, precision components, avoiding all physical shock and vibration. This applies to failed drives as well as replacement spares.

■ If a drive must be mailed, place the drive in a bubble-pack mailer or other suitable protective

packaging and label the package “Fragile: Handle With Care.”

■ Do not remove hard drives from the shipping package for storage. Keep hard drives in their

protective packaging until they are actually mounted in the CPU.

■ Avoid dropping drives from any height onto any surface.

■ If you are inserting or removing a hard drive, turn off the computer. Do not remove a hard

drive while the computer is on or in standby mode.

■ Before handling a drive, ensure that you are discharged of static electricity. While handling a

drive, avoid touching the connector. For more information about preventing electrostatic damage, refer to Section 5.2, “Electrostatic Discharge Information.”

■ Do not use excessive force when inserting a drive.

■ Avoid exposing a hard drive to liquids, temperature extremes, or products that have magnetic

fields such as monitors or speakers.

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Identifying the Chassis, Routine Care, and Disassembly Preparation

5.5.6 Lithium Coin Cell Battery

The battery that comes with the computer provides power to the real-time clock and has a minimum lifetime of about three years.

See the appropriate removal and replacement chapter for the chassis you are working on in this guide for instructions on the replacement procedures.

WARNING: This computer contains a lithium battery. There is a risk of fire and chemical burn if the

battery is handled improperly. Do not disassemble, crush, puncture, short external contacts, dispose in water or fire, or expose it to temperatures higher than 140ºF (60ºC). Do not attempt to recharge the battery.

Batteries, battery packs, and accumulators should not be disposed of together with the general

household waste. In order to forward them to recycling or proper disposal, please use the public collection system or return them to HP, their authorized partners, or their agents.

Service Reference Guide, dx7300 433611- 0 01 5 –9

Identifying the Chassis, Routine Care, and Disassembly Preparation

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Removal and Replacement Procedures—

Microtower (MT) Chassis

Adherence to the procedures and precautions described in this chapter is essential for proper service. After completing all necessary removal and replacement procedures, run the Diagnostics utility to verify that all components operate properly.

Not all features listed in this guide are available on all computers.

✎

6.1 Preparation for Disassembly

See Chapter 5, “Identifying the Chassis, Routine Care, and Disassembly Preparation” for initial safety procedures.

1. Remove/disengage any security devices that prohibit opening the computer (See Section 6.2,

“External Security Devices”).

2. Close any open software applications.

3. Exit the operating system.

4. Remove any diskette or compact disc from the computer.

5. Turn off the computer and any peripheral devices that are connected to it.

CAUTION: Turn off the computer before disconnecting any cables.

CAUTION: Regardless of the power-on state, voltage is always present on the system board as long as

the system is plugged into an active AC outlet. In some systems the cooling fan is on even when the computer is in the “Standby,” or “Suspend” modes. The power cord should always be disconnected before servicing a unit.

6. Disconnect the power cord from the electrical outlet and then from the computer.

7. Disconnect all peripheral device cables from the computer.

During disassembly, label each cable as you remove it, noting its position and routing. Keep all

✎

screws with the units removed.

CAUTION: The screws used in the computer are of different thread sizes and lengths; using the wrong

screw in an application may damage the unit.

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Removal and Replacement Procedures— Microtower (MT) Chassis

6.2 External Security Devices

6.2.1 Installing a Cable Lock

The cable lock may be used to secure the computer access panel to the chassis and, at the same time, secure the computer to a fixed object.

Insert the cable lock in the location shown below.

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6.2.2 Installing a Padlock

A padlock may be used by itself to secure the access panel to the computer chassis. A padlock may also be used with a security cable to secure the computer to a fixed object.

Removal and Replacement Procedures— Microtower (MT) Chassis

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Removal and Replacement Procedures— Microtower (MT) Chassis

6.3 Access Panel

1. Prepare the computer for disassembly (Section 6.1).

CAUTION: Before removing the computer access panel, ensure that the computer is turned off and that

the power cord is disconnected from the electrical outlet.

2. Loosen the captive thumbscrew 1 that secures the access panel to the computer chassis.

3. Slide the access panel 2 back about 1 inch (2.5 cm), then lift it off the unit.

You may want to lay the computer on its side to install internal parts. Be sure the side with the

✎

access panel and pull grip is facing up.

To install the access panel, reverse the removal procedure.

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6.4 Front Bezel

1. Prepare the computer for disassembly (Section 6.1).

2. Remove the access panel (Section 6.3).

3. To remove the front bezel, press in on the two bottom tabs on the left side of the bezel 1 so that they release from the chassis. Then press in on the upper tab on the left side of the bezel so that it releases from the chassis. The bezel will rotate out slightly from left to right.

CAUTION: Do not over-rotate or try to pull the bezel off at this point, otherwise you may break the

remaining hooks on the inside of the bezel.

Removal and Replacement Procedures— Microtower (MT) Chassis

4. Press down on the upper right corner of the bezel to release the hook that secures the top of the bezel to the chassis. Continue to rotate the bezel, then push the bezel to the left to release the right side latches and rotate the bezel off the chassis from left to right 2.

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Removal and Replacement Procedures— Microtower (MT) Chassis

To reinstall the front bezel:

1. Position the chassis in the upright position.

2. Insert the hooks on the right side of the bezel into the rectangular holes on the chassis 1 then rotate the bezel into place 2 so that the three tabs on the left side of the bezel and the single tab on the upper right corner of the bezel snap into the slots on the chassis.

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6.5 Front Drive Bezels

Follow these steps before removing or installing a front drive bezel.

1. Prepare the computer for disassembly (Section 6.1).

2. Remove the access panel (Section 6.3).

3. Remove the front bezel (Section 6.4).

6.5.1 5.25" Drive Bezel Blank

Press the two retaining tabs on the inside of the large bezel towards the outside of the bezel to release the bezel blank 1. At the same time, pull the bezel blank in to remove it from the front bezel 2.

Removal and Replacement Procedures— Microtower (MT) Chassis

To install a bezel blank, reverse the removal procedure.

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Removal and Replacement Procedures— Microtower (MT) Chassis

6.5.2 Diskette Drive Bezel

Press the two upper 1 or the two lower 2 tabs for the diskette drive bezel towards the center of the drive bezel and push the bezel out to remove it from the front bezel.

To install a bezel or a bezel blank, reverse the removal procedure.

6.5.3 3.5" Drive Bezel Blank

Press the two upper 1 or the two lower 2 tabs for the 3.5" drive bezel towards the center of the

3.5" drive bezel and push the bezel blank out to remove it from the front bezel.

To install a bezel blank, reverse the removal procedure.

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6.6 Cable Management

Always follow good cable management practices when working inside the computer.

■ Keep cables away from major heat sources like the heatsink.

■ Do not jam cables on top of expansion cards or memory modules. Printed circuit cards like

these are not designed to take excessive pressure on them.

■ Keep cables clear of sliding or moveable parts to prevent them from being cut or crimped

when the parts are moved.

■ When folding a flat ribbon cable, never fold to a sharp crease. Sharp creases may damage the

wires.

■ Some flat ribbon cables come prefolded. Never change the folds on these cables.

■ Do not bend any cable sharply. A sharp bend can break the internal wires.

■ Never bend a SATA data cable tighter than a 30 mm (1.18 in) radius.

■ Never crease a SATA data cable.

■ Do not rely on components like the drive cage, power supply, or computer cover to push

cables down into the chassis. Always position the cables to lay properly by themselves.

Removal and Replacement Procedures— Microtower (MT) Chassis

When removing the power supply power cables from the P1 or P3 connectors on the system board, always follow these steps:

1. Squeeze on the top of the retaining latch attached to the cable end of the connector 1.

2. Grasp the cable end of the connector and pull it straight up 2.

CAUTION: Always pull the connector - NEVER pull on the cable. Pulling on the cable could damage the

cable and result in a failed power supply.

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Removal and Replacement Procedures— Microtower (MT) Chassis

6.6.1 Cable Connections

System board connectors are color-coded to make it easier to find the proper connection.

Cable

Power Supply System board, 24-pin P1

Power Supply CPU power, 4-pin P3

Power Supply 1st SATA Hard drive P4

Power Supply 2nd SATA Hard drive P5

Power Supply Diskette drive P8

Power Supply 2nd Optical drive P10

Power Supply 1st Optical drive P11

To Cable Designator

Cable To PCA Designator

Diskette drive System board P10, FLOPPY (Black)

1st SATA Hard drive System board P60, SATA 0 (Dark Blue)

1st ODD or 2nd Hard drive if no ODD present

2nd or 4th Hard drive if no ODD present

2nd ODD or 3rd HDD if no ODD present

Serial port B System board P52, COM B

System board P61, SATA 1 (White)

System board P62, SATA 2 (Light blue)

System board P63, SATA 3 (Orange)

Hood lock solenoid System board P124, HLCK

Heatsink fan System board P70, CPU FAN

Hood Sensor System board P125, HSENS

Front power button/LED System board P5, F_PNL

Front I/O USB System board P24, FRNT USB (Yellow)

Speaker System board P6, SPKR (White)

Front audio System board P23, FRTNT AUD, (Black)

Chassis fan System board P8, CHASSIS FAN (Red)

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6.7 Memory

CAUTION: The memory module sockets have gold metal contacts. When upgrading the memory, it is

important to use memory modules with gold metal contacts to prevent corrosion and/or oxidation resulting from having incompatible metals in contact with each other.

CAUTION: Static electricity can damage the electronic components of the computer or optional cards.

Before beginning these procedures, ensure that you are discharged of static electricity by briefly touching a grounded metal object. Refer to Section 5.2, “Electrostatic Discharge Information” for more information.

CAUTION: When handling a memory module, be careful not to touch any of the contacts. Doing so

may damage the module.

1. Prepare the computer for disassembly (Section 6.1).

2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3).

WARNING: To reduce risk of personal injury from hot surfaces, allow the internal system components to

cool before touching.

Removal and Replacement Procedures— Microtower (MT) Chassis

3. Open both latches of the memory module socket 1, and insert the memory module into the socket 2. Refer to Appendix F, “Memory” for the correct sequence for installing memory modules to get optimal performance.

A memory module can be installed in only one way. Match the notch on the module with the tab

✎

on the memory socket. It may be easier to install a memory module in some cases if the main power cable from the power supply to the system board is temporarily disconnected.

4. Push the module down into the socket, ensuring that the module is fully inserted and properly seated. Make sure the latches are in the closed position 3.

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Removal and Replacement Procedures— Microtower (MT) Chassis

The computer automatically recognizes the additional memory when the computer is turned on.

✎

To reassemble the computer, reverse the removal procedure.

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6.8 Expansion Cards

1. Prepare the computer for disassembly (Section 6.1).

2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3).

3. On the rear of the computer, a sliding slot cover lock secures the expansion card brackets and expansion slot covers in place. Remove the thumbscrew that holds the slot cover lock in place 1 and slide the slot cover lock away from the brackets 2 so that they are no longer secured by the lock.

Removal and Replacement Procedures— Microtower (MT) Chassis

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Removal and Replacement Procedures— Microtower (MT) Chassis

4. Before installing an expansion card, remove the expansion slot cover or the existing expansion card.

Before removing an installed expansion card, disconnect any cables that may be attached to the

✎

expansion card.

a. If you are installing an expansion card in a vacant socket, remove the appropriate

expansion slot cover on the back of the chassis. Pull the slot cover straight up from the socket then away from the inside of the chassis.

b. If removing a standard PCI expansion card, hold the card at each end, and carefully rock

it back and forth until the connectors pull free from the socket. Pull the expansion card straight up from the socket 1 then away from the inside of the chassis 2 to release it from the chassis frame. Be sure not to scrape the card against the other components.

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Removal and Replacement Procedures— Microtower (MT) Chassis

c. If removing a PCI Express x16 card, pull the retention arm on the back of the expansion

socket away from the card and carefully rock the card back and forth until the connectors pull free from the socket. Pull the expansion card straight up from the socket then away from the inside of the chassis to release it from the chassis frame. Be sure not to scrape the card against the other components.

5. If not replacing the old expansion card with a new expansion card, install an expansion slot cover to close the open slot. Insert the metal slot cover in the opened slot and slide the slot cover lock down to secure the slot cover in place.

CAUTION: After removing an expansion card, you must replace it with a new card or expansion slot

cover for proper cooling of internal components during operation.

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Removal and Replacement Procedures— Microtower (MT) Chassis

6. If replacing or adding a new expansion card, hold the card just above the expansion slot on the system board then move the card toward the rear of the chassis 1 so that the bracket on the card is aligned with the open slot on the rear of the chassis. Press the card straight down into the expansion slot on the system board 2.

When installing an expansion card, press firmly on the card so that the whole connector seats

✎

properly in the expansion card slot.

7. If you are replacing an expansion card, store the old card in the anti-static packaging that contained the new card.

8. While holding the expansion card bracket against the chassis, slide the slot cover lock down toward the expansion card brackets and slot covers 1 to secure them in place and replace the thumbscrew 2 that secures the slot cover lock.

9. Connect external cables to the installed card, if needed. Connect internal cables to the system board, if needed.

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6.9 Drives

The computer supports up to six drives that may be installed in various configurations.

This Section describes the procedure for replacing or upgrading the storage drives. A Torx T-15 screwdriver is needed to remove and install the guide screws on a drive.

CAUTION: Make sure personal files on the hard drive are backed up to an external storage device

before removing the hard drive. Failure to do so will result in data loss. After replacing the primary hard drive, you will need to run the Restore Plus! CD to load the HP factory-installed files.

6.9.1 Drive Positions

Removal and Replacement Procedures— Microtower (MT) Chassis

Drive Positions

Item Description

1 Two 5.25-inch, half-height bays for optional drives

2 Two standard 3.5-inch, one-third height bays (1.44-MB diskette drives shown)*

3 Two internal 3.5-inch, one-third height bays for hard drives

*A 3.5-inch diskette drive or zip drive may be installed in this bay but the correct bezel must be installed to ensure proper air flow.

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Removal and Replacement Procedures— Microtower (MT) Chassis

6.9.2 Removing a Drive

1. Remove any removable media, such as a compact disc or diskette, from the drive.

2. Prepare the computer for disassembly (Section 6.1).

3. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3).

4. Remove the front bezel (Section 6.4).

5. Disconnect the power and data cables from the back of the drive, as shown in the following illustrations.

Disconnecting Optical or Hard Drive Cables

Some products use straight cable connectors while others use right angle connectors.

✎

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Removal and Replacement Procedures— Microtower (MT) Chassis

Disconnecting Diskette Drive Cables

Releasing the Drives

6. A latch drive bracket with release tabs secures the drives in the drive bay. Lift the release tab on the latch drive bracket 1 for the drive you want to remove, then slide the drive from its drive bay 2.

7. Remove the four guide screws (two on each side) from the old drive. You will need these screws to install a new drive.

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Removal and Replacement Procedures— Microtower (MT) Chassis

6.9.3 Installing a Drive

CAUTION: To prevent loss of work and damage to the computer or drive:

■ If you are inserting or removing a hard drive, shut down the operating system properly, then turn off

the computer. Do not remove a hard drive while the computer is on or in standby mode.

■ Before handling a drive, ensure that you are discharged of static electricity. While handling a drive,

avoid touching the connector. Refer to Section 5.2, “Electrostatic Discharge Information” for more information about preventing electrostatic damage.

■ Handle a drive carefully; do not drop it.

■ Do not use excessive force when inserting a drive.

■ Avoid exposing a hard drive to liquids, temperature extremes, or products that have magnetic fields

such as monitors or speakers.

1. Install four guide screws (two on each side) into the new drive. The screws help guide the drive into its proper position in the bay.

❏ If this is a new installation, guide screws are provided on the front of the chassis under

the front bezel.

❏ If this is a replacement drive, use the screws removed from the old drive.

There are a total of eight extra guide screws on the front of the chassis. Four have U.S. threads

✎

and four have metric threads. Metric screws have a black finish. U.S. threaded screws have a silver finish. Make sure to install the appropriate guide screws into the drive.

2. Align the guide screws with the guide slots, then slide the drive into the drive bay, making sure it is fully seated.

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Removal and Replacement Procedures— Microtower (MT) Chassis

3. Reconnect the power and data cables to the drive as shown in the following illustrations.

Refer to Chapter 4, “Serial and Parallel ATA Drive Guidelines and Features” for information on

✎

attaching the cabling to get optimum performance.

Connecting Optical or Hard Drive Cables

Some products use straight cable connectors while others use right angle connectors.

✎

Connecting Diskette Drive Cables

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Removal and Replacement Procedures— Microtower (MT) Chassis

4. Install the front bezel (Section 6.4).

5. Install the access panel (Section 6.3).

6. Turn on the computer.

If you replaced the primary hard drive, the Restore Plus! CD may be used to restore the operating

✎

system, software drivers, and/or any software applications that were preinstalled on the

computer. Follow the instructions in the guide included with the Restore Plus! CD. When the

restore process has completed, reinstall any personal files that were backed up before replacing the hard drive.

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6.10 Chassis Fan

1. Prepare the computer for disassembly (Section 6.1).

2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3).

3. Disconnect the power cable that connects the chassis fan to the system board 1.

4. Remove the four screws from the exterior rear of the chassis that secure the fan 2.

5. Remove the fan from the chassis 3.

Removal and Replacement Procedures— Microtower (MT) Chassis

To install the chassis fan, reverse the removal procedure.

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Removal and Replacement Procedures— Microtower (MT) Chassis

6.11 Front I/O Panel Housing Assembly

1. Prepare the computer for disassembly (Section 6.1).

2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3).

3. Disconnect three attaching cables from the system board: the power switch/LED cable, the front USB cable, and the front audio cable.

4. Remove the two screws that secure the housing to the chassis 1 then pull the housing away from the chassis 2.

To install the housing assembly, reverse the removal procedures.

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6.12 Front I/O Devices

1. Prepare the computer for disassembly (Section 6.1).

2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3).

3. Remove the front I/O panel assembly (Section 6.11).

4. Remove the two screws that hold the USB and audio port assembly in place 1.

5. Remove the I/O device assembly from the I/O panel by pushing it out of the housing 2.

Removal and Replacement Procedures— Microtower (MT) Chassis

To install the I/O devices, reverse the removal procedures and then reinstall the housing assembly.

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Removal and Replacement Procedures— Microtower (MT) Chassis

6.13 Power Switch Assembly

1. Prepare the computer for disassembly (Section 6.1).

2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3).

3. Remove the front I/O panel assembly (Section 6.11).

4. Squeeze the switch holder retaining clips together 1 and push the switch assembly out of the front I/O panel housing 2.

5. Place the switch holder with the switch installed into the inside of the front I/O panel housing and position the legs of the retaining clip into the clip slots. Press firmly so that the clips will penetrate the slot openings and latch into place. If one clip will not easily engage, it may be necessary to use the end of a ball point pen (or another thin, stiff object) to compress the clip leg while inserting it into the clip slot.

6. Reconnect the housing assembly to the front of the chassis and reconnect the cables to the system board.

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6.14 Heatsink

1. Prepare the computer for disassembly (Section 6.1).

2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3).

3. Disconnect the heatsink fan cable from the system board.

4. Disconnect the four-pin power cable from the system board to make it easier to access the heatsink.

5. Loosen the four captive screws 1 that secure the heatsink to the system board tray.

CAUTION: Heatsink retaining screws should be removed in diagonally opposite pairs (as in an X) to

even the downward forces on the processor. This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board.

6. Lift the heatsink from atop the processor 2 and set it on its side to keep from contaminating the work area with thermal grease.

There are two different heatsinks used on the Microtower chassis and are illustrated here.

✎

Removal and Replacement Procedures— Microtower (MT) Chassis

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Removal and Replacement Procedures— Microtower (MT) Chassis

When reinstalling the heatsink, make sure that its bottom has been cleaned with an alcohol wipe and fresh thermal grease has been applied to the top of the processor.

CAUTION: Heatsink retaining screws should be tightened in diagonally opposite pairs (as in an X) to

evenly seat the heatsink on the processor. This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board.

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6.15 Processor

1. Prepare the computer for disassembly (Section 6.1).

2. Remove the computer cover (Section 6.3).

3. Disconnect the heatsink control cable from the system board and remove the heatsink (Section 6.14).

4. Rotate the locking lever to its full open position 1.

5. Raise and rotate the microprocessor retainer to its fully open position 2.

6. Carefully lift the processor from the socket 3.

CAUTION: Do NOT handle the pins in the processor socket. These pins are very fragile and handling

them could cause irreparable damage. Once pins are damaged it may be necessary to replace the system board.

CAUTION: The heatsink must be installed within 24 hours of installing the processor to prevent damage

to the processor’s solder connections.

Removal and Replacement Procedures— Microtower (MT) Chassis

To install a new processor:

1. Place the processor in its socket and close the retainer.

2. Secure the locking lever.

If reusing the existing heatsink, go to step 3.

If using a new heatsink, go to step 6.

3. If reusing the existing heatsink, clean the bottom of the heatsink with the alcohol pad provided in the spares kit.

CAUTION: Before reinstalling the heatsink you must clean the top of the processor and the bottom of the

heatsink with an alcohol pad supplied in the spares kit. After the alcohol has evaporated, apply thermal grease to the top of the processor from the syringe supplied in the spares kit.

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Removal and Replacement Procedures— Microtower (MT) Chassis

4. Apply the thermal grease provided in the spares kit to the top of the processor and install the heatsink atop the processor.

5. Go to step 7.

6. If using a new heatsink, remove the protective covering from the bottom of the heatsink and place it in position atop the processor.

7. Secure the heatsink to the system board and system board tray with the four captive screws and attach the heatsink control cable to the system board.

CAUTION: Heatsink retaining screws should be tightened in diagonally opposite pairs (as in an X) to

evenly seat the heatsink on the processor. This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board.

After installing a new processor onto the system board, always update the system ROM to ensure

✎

that the latest version of the BIOS is being used on the computer. The latest system BIOS can be found on the Web at: http://h18000.www1.hp.com/support/files.

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6.16 Speaker

1. Prepare the computer for disassembly (Section 6.1).

2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3).

3. Move/remove any components necessary to gain access to the speaker.

4. Disconnect the speaker wire from the system board connector.

5. Remove the two plastic push pins that secure the speaker to the chassis.

6. Remove the speaker by lifting it up and out of the retaining clips.

Removal and Replacement Procedures— Microtower (MT) Chassis

To install the speaker, reverse the removal procedures.

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Removal and Replacement Procedures— Microtower (MT) Chassis

6.17 Power Supply

WARNING: Voltage is always present on the system board when the computer is plugged into an

active AC outlet. To avoid possible personal injury and damage to the equipment the power cord should be disconnected from the computer and/or the AC outlet before opening the computer.

1. Prepare the computer for disassembly (Section 6.1).

2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3).

3. Disconnect all power cables from the mass storage devices and from the system board.

4. Remove the screws that connect the power supply to the chassis 1.

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HP COMPAQ DX7300 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual