Dell™ OptiPlex™ 330 User's GuideNotes, Notices, and CautionsAbbreviations and AcronymsFor a complete list of abbreviations and acronyms, see the Glossary.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.© 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, OptiPlex, Inspiron, TravelLite, Dell OpenManage, and Strike Zone are trademarks of Dell Inc.; Intel, Pentium, SpeedStep, and Celeronare registered trademarks of Intel Corporation; Microsoft, Windows Vista, and Windows are trademarks or registered trademarks of Microsoft Corporation; Computrace and Absoluteare registered trademarks of Absolute Software Corporation; Bluetooth is a trademark owned by Bluetooth SIG, Inc. and is used by Dell Inc. under license. ENERGY STAR is aregistered trademark of the U.S. Environmental Protection Agency. As an ENERGY STAR partner, Dell Inc. has determined that this product meets the ENERGY STAR guidelines forenergy efficiency.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.Models: DCSM and DCNESeptember 2007 P/N RW281 Rev. A00Desktop ComputerBack to Main PageAbout Your ComputerFinding InformationMini Tower Computer ViewsInside View of Your ComputerDesktop SpecificationsSystem Board ComponentsPower Supply DC Connector Pin AssignmentsSetting Up Your ComputerAdvanced FeaturesSecuring Your ComputerSystem SetupTroubleshooting ToolsTroubleshootingReinstalling SoftwareGetting HelpAppendixGlossaryRemoving and Replacing PartsBefore You BeginRemoving the Computer CoverMemoryCardsDrivesBatteryPower SupplySpeakersProcessorI/O PanelSystem BoardReplacing the Computer CoverNOTE: 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.