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Introduction

1.1About this Guide

This guide provides technical information about HP Compaq dx71xx and dc61xx series personal computers that feature the Intel Pentium 4 processor and the Intel 915G chipset. This document describes in detail the system's design and operation for programmers, engineers, technicians, and system administrators, as well as end-users wanting detailed information.

The chapters of this guide primarily describe the hardware and firmware elements and primarily deal with the system board and the power supply assembly. The appendices contain general data such as error codes and information about standard peripheral devices such as keyboards, graphics cards, and communications adapters.

This guide can be used either as an online document or in hardcopy form.

1.1.1 Online Viewing

Online viewing allows for quick navigating and convenient searching through the document. A color monitor will also allow the user to view the color shading used to highlight differential data. A softcopy of the latest edition of this guide is available for downloading in .pdf file format at the URL listed below:

www.hp.com

Viewing the file requires a copy of Adobe Acrobat Reader available at no charge from Adobe Systems, Inc. at the following URL:

www.adobe.com

When viewing with Adobe Acrobat Reader, click on the ( ) icon or “Bookmarks” tab to display the navigation pane for quick access to particular places in the guide.

1.1.2 Hardcopy

A hardcopy of this guide may be obtained by printing from the .pdf file. The document is designed for printing in an 8 ½ x 11-inch format. Note that printing in black and white will lose color shading properties.

1.2Additional Information Sources

For more information on components mentioned in this guide refer to the indicated manufacturers' documentation, which may be available at the following online sources:

HP Corporation: www.hp.com

Intel Corporation: www.intel.com

Standard Microsystems Corporation: www.smsc.com

USB user group: www.usb.org

Technical Reference Guide

361834-002

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