Dell™ Inspiron™ 6400/E1505 Service ManualNotes, Notices, and CautionsAbbreviations and AcronymsFor a complete list of abbreviations and acronyms, see "Glossary" in the Owner's Manual.If 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.© 2006 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, and Inspiron are trademarks of Dell Inc.; Microsoft and Windows are registered trademarks of Microsoft Corporation; Bluetooth is aregistered trademark owned by Bluetooth SIG, Inc. and is used by Dell under license.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 PP20LFebruary 2006 Rev. A00Before You BeginSystem ComponentsOptical DriveHard DriveMemory Module(s)ModemMini-CardInternal Card With Bluetooth® Wireless TechnologyHinge CoverKeyboardDisplay AssemblyPalm RestCoin-Cell BatterySpeakersProcessor Thermal-Cooling AssemblyProcessor ModuleVideo Card/Thermal-Cooling AssemblySystem FanExpressCard/Hard-Drive Bay AssemblySystem BoardBattery Latch AssemblyFlashing the BIOSPin Assignments for I/O ConnectorsNOTE: 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.