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IBM manual ThinkPad T20, T21, T22, T23 MT 2647/2648

Models: T21 T22

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Specifications Install Before replacing parts Parts list Error codes Password Status indicators Symptom-to-FRU index FRU replacement notices Diagnostics Interactive Tests

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Checkout guide

38ThinkPad T20, T21, T22, T23 (MT 2647/2648)

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IBM manual ThinkPad T20, T21, T22, T23 MT 2647/2648

Page 43 Page 45

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Contents

Page Page About this manual Iv ThinkPad T20, T21, T22, T23 MT 2647/2648 Contents Dimm Strategy for replacing FRUs Important service informationBefore replacing parts Strategy for replacing a hard-disk drive How to use error messagesDiskette compatibility matrix Safety notices multilingual translations Safety notice ThinkPad T20, T21, T22, T23 MT 2647/2648 Continuation of safety notice ThinkPad T20, T21, T22, T23 MT 2647/2648 La pile de sauvegarde contient du lithium. Elle Continuation of safety notice Safety notice Safety notice Safety notice ThinkPad T20, T21, T22, T23 MT 2647/2648 Safety information General safety Electrical safety Safety inspection guide ThinkPad T20, T21, T22, T23 MT 2647/2648 Grounding requirements Laser compliance statement Radiação ThinkPad T20, T21, T22, T23 MT 2647/2648 Read this first What to do first Following are not covered under warranty Related service information Service web site Restoring the preloaded systemCreating a Recovery Repair diskette Ordering the recovery CD Product Recovery program Select Create a Recovery Repair diskette. Press Enter Using the recovery CD To create the service partitionReinstall the Product Recovery program? Y/N Install preloaded system from CD Passwords To use the Recovery Repair diskettePower-on password Hard-disk password Select Power-On Password Supervisor passwordHow to remove the power-on password Power management How to remove the hard-disk passwordScreen blank mode Select Master HDP Standby mode Hibernation mode Related service information Testing the computer Checkout guide Diagnostics Interactive Tests Utility Detecting system information with PC-DoctorHardware Info Power system checkout Checking the ac adapter Checking the battery pack Checking operational charging Checking the backup battery Red + Black ThinkPad T20, T21, T22, T23 MT 2647/2648 ThinkPad T20, T21, T22 and T23 series Page Specifications Product overview T21, T22, T23 MB 3-mode, 3.5-inch diskette drive Status indicators 3 4 Indicator Meaning FRU Tests Following table shows the test for each FRU FRU Fn key combinations Key Description Combination Symptom-to-FRU index Numeric error codes Dimm Dimm Error messages Properly identified Beep symptoms LCD-related symptoms Connectors Intermittent problems Undetermined problems FRU replacement notices Screw noticesPlastic to plastic Logic card to plastic Retaining serial numbers Restoring the serial number of the system unitRetaining the Uuid Select 2. Read S/N data from Eeprom FRU replacement notices Removing and replacing a FRU Battery pack Backup battery Removing and replacing a FRU Hard-disk drive Do not drop or apply any shock to the hard-disk Removing and replacing a FRU Dimm Mini PCI adapter For T20, T21 and T22 series ThinkPad T20, T21, T22 and T23 series For T23 series Removing and replacing a FRU Ethernet daughter card Step Screw quantity Torque When installing Make sure that both of the connectors Ultrabay 2000 device Keyboard But do not remove it Are common for all models ThinkPad T20, T21, T22 and T23 series ThinkPad T20, T21, T22, T23 MT 2647/2648 Removing and replacing a FRU Computer as shown ThinkPad T20, T21, T22 and T23 series Keyboard CRU insulator Hinge cover When installing For T20 and T21 series For T22 series When installing For T23 series Keyboard bezel ThinkPad T20, T21, T22 and T23 series For T23 series M2.5 × 3.5 mm, nylon-coated 392 Nm Kgfcm ThinkPad T20, T21, T22, T23 MT 2647/2648 When installing, do as follows Fan assembly For T20, T21, T22 series When installing the fan assembly For T20 For T21, T22 For T23 series M2.0 × 13.5 mm, nylon-coated 245 Nm Kgfcm 1130 CPU For T23 series PC Card slot assembly Removing and replacing a FRU For T23 series Speaker Before installing new speaker for T22 and T23 series For T22 series For T23 series Hard-disk bay Are only for T23 series is not turned Ultrabay 2000 slot For T20 series For T21 and T22 series For T23 series Removing and replacing a FRU To step Are common for T20, T21, T22 T23 series To fix it firmly System board Removing and replacing a FRU For T23 series Removing and replacing a FRU Secure chip Microphone cable LCD assembly For models excepting MT2647-xLx, xNx For MT2647-xLx, xNx Front bezel Inverter card LCD panel Step Screw quantity Torque ThinkPad T20, T21, T22, T23 MT 2647/2648 ThinkPad T20, T21, T22 and T23 series Antenna assembly Removing and replacing a FRU Removing and replacing a FRU Sub card When installing, do the following ThinkPad Dock PCI cover Before replacing the PCI cover Bottom view ThinkPad T20, T21, T22, T23 MT 2647/2648 ThinkPad Dock top cover Rear View Bottom View View, shown in the circle Removing and replacing a FRU Removing and replacing a FRU Locations Front view Rear view Bottom view Parts list T20, T21, T22 and T23 series model matrix LCD HDD CMG DVD 2KC 2647-5Nx, 9Nx 802.11 14.1-in HNx, NNx *2 Overall For T20, T21 and T22 FRUs marked with Are also available as Optional FRUs MB Sdram SO Dimm PC100 FRU Asset ID RF adapter see Optional FRUs on For T23 26P9158 Toshiba MB Sdram SO Dimm PC133 AC adapters LCD FRUs 13.3-in. XGA TFT 14.1-in. XGA TFT 14.1-in. SXGA+ TFT NMB Alps Recovery CDs For Windows 2000 T22 series For Windows 2000/Windows NT T22 series For Windows 98 T23 series For Windows 2000 T23 series For Windows 2000/Windows NT T23 series For Windows XP T23 series Miscellaneous parts ThinkPad T20, T21, T22, T23 MT 2647/2648 FRU Optional FRUs ThinkPad T20, T21, T22 and T23 series Tools Common parts listPower cords system Power cords docking station Trademarks ThinkPad T20, T21, T22 and T23 series Part Number 62P9631 1P P/N 62P9631

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