Notes, Notices, and CautionsNOTE: A NOTE indicates important information that helps you make better use of your computer.NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.Abbreviations and AcronymsFor a complete list of abbreviations and acronyms, see the Glossary in your online User’s Guide.If you purchased a Dell™ n Series computer, any references in this document to Microsoft® Windows®operating systems are not applicable.NOTE: Some features or media may be optional and may not ship with your computer. Some features or media may notbe available in certain countries.____________________Information in this document is subject to change without notice.© 2007 Dell Inc. All rights reserved.Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.Trademarks used in this text: Dell, the DELL logo, Dell Precision, Wi-Fi Catcher, and ExpressCharge are trademarks of Dell Inc.; Intel is aregistered trademark of Intel Corporation; Windows Vista is a trademark and Microsoft and Windows are registered trademarks ofMicrosoft Corporation.Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products.Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.Model PP04XApril 2007 P/N XP474 Rev. A00