Dell™ Vostro™ 1700 and Inspiron™ 1720/1721 Service ManualNotes, Notices, and CautionsInformation 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, Inspiron, and Vostro are trademarks of Dell Inc.; Microsoft, Windows, and Windows Vista are either trademarks or registeredtrademarks 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 PP22XJune 2007 Rev. A00Before You BeginExpressCardsUsing the Memory Card ReaderOptical DriveHard DriveHinge CoverInternal Card With Bluetooth® Wireless TechnologyKeyboardMemoryDisplayPalm RestWireless Mini CardsFlash Cache Module (FCM)ModemCoin-Cell BatteryGraphics Card AssemblyProcessor Thermal-Cooling AssemblyProcessor ModuleFanSpeaker AssemblySystem Board AssemblyComputer Base and ComponentsBattery 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 potential for property damage, personal injury, or death.