Dell™ Latitude™ C840 Service ManualBefore You BeginPreparing to Work Inside the ComputerRecommended ToolsComputer OrientationScrew IdentificationSystem ComponentsHard Drive and Fixed Optical DriveHard DriveFixed Optical DriveSystem UpgradesMemory ModulesModem Daughter CardMini PCI CardKeyboardDisplayDisplay OverviewHinge CoverDisplay AssemblyDisplay BezelDisplay PanelDisplay LatchMicroprocessor Thermal-Cooling AssemblyMicroprocessor ModuleVideo Graphics BoardPalm RestReserve BatterySystem BoardBattery and Module Bay LatchesBattery Charger BoardLED BoardFanRJ-11/RJ-45 ModulePin Assignments for I/O ConnectorsNotes, Notices, and CautionsInformation in this document is subject to change without notice.© 2002 Dell Computer Corporation. All rights reserved.Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden.Trademarks used in this text: Dell, the DELL logo, and Latitude are trademarks of Dell Computer Corporation; Intel is a registered trademark of Intel Corporation; Microsoft andWindows are registered trademarks of Microsoft 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 Computer Corporationdisclaims any proprietary interest in trademarks and trade names other than its own.This product incorporates copyright protection technology that is protected by method claims of certain U.S. patents and other intellectual property rights owned by MacrovisionCorporation and other rights owners. Use of this copyright protection technology must be authorized by Macrovision Corporation, and is intended for home and other limitedviewing uses only unless otherwise authorized by Macrovision Corporation. Reverse engineering or disassembly is prohibited.February 2002 Rev. A00NOTE: 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.