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IBM A21M, A22P, A22M, A21P, A20M, MT 2631 manual ThinkPad A20m/p, A21m/p, A22m/p

Models: MT 2631 A20M A21P A22M A22P A21M

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Specification Install Before replacing parts Parts list Error codes Password Status indicators Symptom-to-FRU index Diagnostics Interactive Tests Connectors

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Removing and replacing a FRU

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102ThinkPad A20m/p, A21m/p, A22m/p

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IBM A21M, A22P, A22M, A21P, A20M, MT 2631 manual ThinkPad A20m/p, A21m/p, A22m/p

Page 107 Page 109

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Contents

October This manual supports ThinkPad A20m, A21m, A22m A20p, A21p, A22pThinkPad Dock Page About this manual Iv ThinkPad A20m/p, A21m/p, A22m/p Contents 3010 ThinkPad Dock PCI cover Important service information Before replacing partsStrategy for replacing FRUs How to use error messages Diskette compatibility matrixStrategy for replacing a hard-disk drive Safety notices multilingual translations Safety notice ThinkPad A20m/p, A21m/p, A22m/p Continuation of safety notice ThinkPad A20m/p, A21m/p, A22m/p Continuation of safety notice Safety notice Continuation of safety notice Safety notice Safety notice Safety notice Introduction Safety information General safety Electrical safety Safety inspection guide Handling electrostatic discharge-sensitive devices Grounding requirements Laser compliance statement Laser compliance statement Laser compliance statement Introduction ThinkPad A20m/p, A21m/p, A22m/p Read this first What to do first Following are not covered under warranty Related service information Service web siteProduct recovery program Restoring the pre-installed software Creating the service partition To create a recovery repair disketteTo create the Service Partition SP Reinstall the Product Recovery Program? Y/N Passwords To use the recovery repair diskette Power-on password Hard-disk passwordSupervisor password How to remove the power-on password How to remove the hard-disk password Select Power-On PasswordSelect Master HDP Power management Screen blank modeStandby mode Hibernation mode Related service information Testing the computer Checkout guide Diagnostics Interactive Tests Power system checkout Detecting system information with PC-DoctorHardware Info Utility Checking the ac adapter Checking operational charging Checking the battery pack Checking the backup battery Red + Black ThinkPad A20m/p, A21m/p and A22m/p 12.1-in. panel 14.1-in. and 15.0-in. panels Inverter card Specifications Product overview Feature Description A21m/p, A22m/p Status indicators Blinking orange 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 0271 Run IBM Bios Setup Utility to Error messages 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 Dimm Removing and replacing a FRU Mini PCI adapter For A20m/p, A21m/p series For A22m/p series Backup battery Hard-disk drive or RF ID adapter Do not drop or apply any shock to the hard-disk Removing and replacing a FRU Ultrabay 2000 device ThinkPad A20m/p, A21m/p, A22m/p Keyboard ThinkPad A20m/p, A21m/p, A22m/p Connector on the underside of the key then push Keyboard CRU insulator Hinge cover and clear sheet icon Keyboard bezel and speaker Step Screw quantity Torque Microphone and speaker cable For A20m/p and A21m/p series microphone and speaker cable For A22m/p series speaker cable Sub card M2.5 × 4.8 mm, nylon-coated 392 Nm Kgfcm PC Card slot assembly Fan assembly Installation notice for A21m/p and A22m/p series Diskette drive When installing Do not press Upper shield TV card CPU socket and CPU Removing and replacing a FRU System board and RJ45/11 connector assembly For A20m/p and A21m/p series For A22m/p series Thermal rubbers location LCD assembly M2.6 × Mm, nylon-coated 392 Nm Kgfcm M2.5 × Front bezel 12.1-in. panel 14.1-in. and 15.0-in. panels ThinkPad A20m/p, A21m/p, A22m/p Inverter card 14.1-in. and 15.0-in. panels LCD panel ThinkPad A20m/p, A21m/p, A22m/p 14.1-in. and 15.0-in. panels For other cable, do as shown ThinkPad Dock PCI cover Before replacing the PCI cover Bottom view ThinkPad A20m/p, A21m/p, A22m/p 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 Series model matrix LCD HDD Memory 128 MB ThinkPad A20m/p, A21m/p, A22m/p Memory 128 MB ThinkPad A20m/p, A21m/p and A22m/p DVD ROM Bay device Mini PCI LCD adapter PQH, PRA 1KG XGA CMxxx Overall 28b 28a FRUs marked with Are also available as Optional FRUs ThinkPad A20m/p, A21m/p and A22m/p ThinkPad A20m/p, A21m/p, A22m/p ThinkPad A20m/p, A21m/p and A22m/p ThinkPad A20m/p, A21m/p, A22m/p ThinkPad A20m/p, A21m/p and A22m/p ThinkPad A20m/p, A21m/p, A22m/p ThinkPad A20m/p, A21m/p and A22m/p ThinkPad A20m/p, A21m/p, A22m/p MB Sdram SO Dimm PC100 ThinkPad A20m/p, A21m/p, A22m/p ThinkPad A20m/p, A21m/p and A22m/p AC adapter LCD FRUs12.1-in. Svga TFT 14.1-in. XGA TFT 15.0-in. XGA TFT LG 15.0-in. XGA TFT Samsung 15.0-in. SXGA+ TFT 15.0-in. Uxga TFT Language A20m/p A21m/p A22m/p Recovery CDs For Windows 98 A22p For Windows 2000 A22m For Windows 2000 A22pFor Windows 2000/Windows NT A22m For Windows 2000/Windows NT A22p Miscellaneous parts ThinkPad A20m/p, A21m/p, A22m/p Optional FRUs Common parts list Power cords system Power cords docking station Trademarks ThinkPad A20m/p, A21m/p and A22m/p Part Number 23P0896

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