Dell™ OptiPlex™ GX270 Service ManualSafety InstructionsOpening the Computer CoverChassis Intrusion SwitchControl PanelI/O PanelPower SupplySystem BoardClosing the Computer CoverTo remove or replace all other GX270 components, see the Dell OptiPlex GX270 Systems User's Guide.Information in this document is subject to change without notice.© 2003–2004 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 OptiPlex are trademarks of Dell Inc.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.June 2004 Rev. A01NOTE: 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.