Dell™ Latitude™ XT2 Service ManualNotes, Cautions, and WarningsIf you purchased a Dell™ n Series computer, any references in this document to Microsoft® Windows® operating systems are not applicable.Information in this document is subject to change without notice.© 2009 Dell Inc. All rights reserved.Reproduction of this material in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.Trademarks used in this text: Dell, the DELL logo, Latitude, TravelLite, Wi-Fi Catcher, and ExpressCharge, are trademarks of Dell Inc.; Intel, Pentium, Celeron a n d Core are registeredtrademarks of Intel Corporation; Bluetooth is a registered trademark owned by Bluetooth SIG, Inc. and is used by Dell under license; TouchStrip is a trademark of Zvetco Biometrics,LLC; Blu-ray Disc is a trademark of the Blu-ray Disc Association; Microsoft, Windows, Windows Server, MS-DOS, Aero, Windows Vista. and the Windows Vista start button are eithertrademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries.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 anyproprietary interest in trademarks and trade names other than its own.Model PP12SSeptember 2009 Rev. A01Tablet-PC FeaturesWorking on Your Tablet-PCAdding and Replacing PartsSpecificationsDiagnosticsSystem BIOSNOTE: A NOTE indicates important information that helps you make better use of your computer.CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed.WARNING: A WARNING indicates a potential for property damage, personal injury, or death.