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IBM X20, X23, X24, X22, X21 manual

Models: X21 X20 X22 X24 X23

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Specifications Before replacing parts Error codes Password Status indicators Wire Symptom-to-FRU index Fan assembly Battery pack Backup battery

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Some CD-ROM drives contain an embedded Class 3A or Class 3B laser diode. Note the following.

Chapter 1. Introduction 19

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IBM X20, X23, X24, X22, X21 manual

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Contents

ThinkPad X20, X21, X22 X24 Hardware Maintenance Manual Page Contents LCD FRU Before replacing parts Important service informationFRU replacement strategy How to read Post error messages Hard disk drive replacement strategyHow to use error messages Safety Notice Safety notices multilingual translations Safety Notice Safety Notice Safety Notice Safety Notice Safety Notice Safety Notice Safety Notice Safety Notice General safety Safety information Electrical safety Safety inspection guide Handling electrostatic discharge-sensitive devices Grounding requirements Laser compliance statement Laser radiation Page ThinkPad X20, X21, X22, X23 Read this first General descriptions Following are not covered under warranty Page Restoring the Pre-installed Software Related service informationService Web site Product recovery program Install preloaded system from CD Using Recovery CDTo create Service Partition SP To use the Recovery Repair diskette Creating a Recovery Repair diskettePasswords Page How to remove the hard-disk password Power managementPage Power switch mode Hibernation Hibernation modePage Checkout guide Testing the computer General descriptions Page Utility Power system checkoutDetecting system information with PC-Doctor Hardware Info Pin Voltage V dc +15.5 to +17.0 Ground Checking the backup battery Do the following Wire ThinkPad X20, X21, X22, X23 Inch XGA TFT X20 Page Product overview Specifications X20, X21, X22, X23 Status indicators Following table shows the test for each FRU CD-ROM/DVD Memory Test Quick Fn key combinations Numeric error codes Symptom-to-FRU index Dimm Error messages No beep symptoms Beep symptoms Intermittent problems LCD-related symptoms Undetermined problems Logic card to plastic FRU replacement noticesScrew notices Plastic to plastic Identification Select 2. Read S/N data from Eeprom Retaining serial numbersRestoring the serial number of the system unit Torque driver Retaining the Uuid Removing and replacing a FRU Battery pack Dimm Battery pack Dimm Backup battery Hard disk drive ThinkPad X20, X21, X22, X23 For X20 KeyboardPage For X22, X23 Page KBD Control Panel Assemble Page Mini PCI adapter CDC adapter For X23 BDC adapter Fan assembly For For X22 Wirelesslan assembly for X22 X24 LCD assembly ThinkPad For X22, X23 ThinkPad X20, X21, X22, X23 Case Keyboard deck Case Keyboard deck up then remove it Case Keyboard deck up then remove it Speaker For X22, X23 PC Card slot assembly Irda Port For X22, X23 1170 RJ11, RJ45 For X22, X23 System board Step Screw quantity Torque M2 ⋅ 3.5mm 1 Silver Ncm 2 kgfcm LCD USB cover Front bezel Step Screw quantity Torque M2.6 ⋅ 5mm 3 BK Ncm 3 kgfcm XGA for X20 LCD panel Svga for X20 ThinkPad X20, X21, X22, X23, X24 XGA for X22, X23 ThinkPad X20, X21, X22, X23, X24 Front view for Locations Front view for X20 Front view for X23 Page Rear view for X22, X23 Rear view for X20Page Bottom view X21 series model matrix Parts List X20 series model matrix X23 series model matrix X22 series model matrix X24 series model matrix Inch XGA TFT X20 LCD FRU Inch Svga TFT ThinkPad X20, X21, X22, X23, X24 Inch XGA TFT X22, X23 Description FRU No System FAN For ThinkPad X20, X21, X22, X23, X24 ThinkPad X20, X21, X22, X23 For HDD 30 GB IBM For FRU Language Base Cover FRU 2662 China 04P3462 Taiwan 04P3463 2661 I Series 04P3464 Windows 98 recovery CDs Recovery CDs for X21 Series Windows 2000/Windows NT recovery CDs Windows 2000 recovery CDs Windows Me recovery CDs Recovery CDs for X22 Series Windows XP Home recovery CDs Windows XP Pro recovery CDs Recovery CDs for X23 Series Recovery CDs for X24 Series Windows XP Pro recovery CDs Misc PCB Miscellaneous parts L3.5 Silver Options FRU list USB FDD Teac For 3-pin power cordsX20 Common parts list X20, X21, X22, X23Power code system For 2-pin power cords AC adapterX22, X23, X24 IBM power cords for a For 3-pin power cordsX22, X23 IBM Trademarks

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