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

Models: MT 2631 A20M A21P A22M A22P A21M

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		Parts list

No.	FRU	P/N

19	Hard-disk drive (18.0 GB), STD	27L4073
	2628-3JC, 3KC
	2629-6xx except 60U

	Hard-disk drive (20.0 GB), STD	27L4075
	2628-Qxx, Rxx, Sxx, Xxx, T7x, T8x, TUx,
	TVx
	2629-6Ax, 6Cx, 6Ux, 6Vx

	Hard-disk drive (20.0 GB), STD	27L3427
	2628-Fxx, Gxx, Jxx
	2633-Gxx

	Hard-disk drive (20.0 GB), HITACHI	08K9533
	2628-Fxx, Gxx, Jxx
	2628-Qxx, Rxx, Sxx, Xxx, T7x, T8x, TUx,
	TVx
	2633-Gxx

	Hard-disk drive (30.0 GB), STD	08K9564
	2628-Txx except T7x, 8x, TUx, TVx
	2633-Txx

	Hard-disk drive (30.0 GB), HITACHI	08K9692
	2628-Txx except T7x, 8x, TUx, TVx
	2633-Txx

	Hard-disk drive (32.0 GB), STD	08K9509
	2629-Hxx, Uxx

20	Cover, hard-disk drive for 12.1/14.1-in. models	08K5675
	2628-1xx, 2xx, 4xx, Bxx, Cxx, Dxx, Exx,
	Gxx, Qxx, Rxx, Txx
	2633-4xx, Gxx, Txx

	Cover, hard-disk drive for 15.0-in. models	08K5676
	2628-3xx, Fxx, Jxx, Pxx, Sxx
	2629-6xx, Fxx, Hxx, Jxx, Uxx

—	Asset ID RF adapter (see “Optional FRUs” on page 147)

21	System board for A20

	Video memory 4 MB	08K3314
	2628-1xx, 2xx, Bxx

	Video memory 8 MB	08K3315
	2628-3xx except 3JC, 3KC

	Video memory 8 MB	08K3316
	2628-4xx, 3JC, 3KC, 2633-4xx

	Video memory 16 MB	08K3317
	2629-6xx

	System board for A21

	Video memory 4 MB	08K3262
	2628-Cxx, Jxx

	Video memory 4 MB	08K3263
	2628-Dxx, Exx

	Video memory 4 MB	26P7975
	2628-Jxx

(continued)

132ThinkPad A20m/p, A21m/p, A22m/p

Image 138

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

Contents

A20p, A21p, A22p IBM Mobile Systems ThinkPad Computer Hardware Maintenance ManualOctober This manual supports ThinkPad A20m, A21m, A22m ThinkPad DockSecond Edition October About this manual iv ThinkPad A20m/p, A21m/p, A22m/p Introduction ContentsAbout this manual General descriptions1040 Important service information IntroductionStrategy for replacing FRUs How to use error messages Diskette compatibility matrixStrategy for replacing a hard-disk drive Safety notices multilingual translations Safety noticeSafety notice DANGER Algunas baterías de reserva contienen una pequeñ a cantidad de níquel y cadmio. No las desmonte, ni recargue, ni las eche al fuego o al agua ni las cortocircuite. Desé chelas tal como dispone la normativa local. Utilice só lo baterías que se encuentren en la lista de piezas. La utilizació n de una batería no apropiada puede provocar la ignició n o explosió n de la misma La batterie contient du nickel. Ne la dé montez pas, ne l’exposez ni au feu ni à l’eau. Ne la mettez pas en court- circuit. Pour la mettre au rebut, conformez-vous à la ré glementation en vigueur. Lorsque vous remplacez la batterie, veillez à n’utiliser que les modè les cité s dans la liste de piè ces dé taché es adé quate. En effet, une batterie inapproprié e risque de prendre feu ou d’exploser Las baterías contienen pequeñ as cantidades de níquel. No las desmonte, ni recargue, ni las eche al fuego o al agua ni las cortocircuite. Desé chelas tal como dispone la normativa local. Utilice só lo baterías que se encuentren en la lista de piezas al sustituir la batería. La utilizació n de una batería no apropiada puede provocar la ignició n o explosió n de la misma The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its polarized connector, disassemble it, heat it above 100C 212F, incinerate it, or expose its cell contents to water. Dispose of the battery as required by local ordinances or regulations. Use only the battery in the appropriate parts listing. Use of an incorrect battery can result in ignition or explosion of the battery Desé chela tal como dispone la normativa local 10 ThinkPad A20m/p, A21m/p, A22m/p To avoid shock, do not remove the plastic cover that protects the lower part of the inverter card 12 ThinkPad A20m/p, A21m/p, A22m/p Die Stromzufuhr muß abgeschaltet, alle Stromkabel aus der Steckdose gezogen, der Akku entfernt und alle Verbindungskabel abgenommen sein, bevor eine FRU entfernt wird Safety information General safetyElectrical safety Safety inspection guide Handling electrostatic discharge-sensitive devices Grounding requirements Laser compliance statementLaser compliance statement 20 ThinkPad A20m/p, A21m/p, A22m/p DANGER 22 ThinkPad A20m/p, A21m/p, A22m/p Laser compliance statementGeneral descriptions Read this firstWhat to do first Note for warranty The following are not covered under warrantyProduct recovery program Related service informationService web site Restoring the pre-installed softwareTo create the Service Partition SP Creating the service partitionTo create a recovery repair diskette Reinstall the Product Recovery Program? Y/N ”Passwords To use the recovery repair disketteSupervisor password Power-on passwordHard-disk password How to remove the power-on passwordHow to remove the hard-disk password 4. Select Power-On Password5. Select Master HDP Power management Screen blank modeStandby mode Hibernation mode Note for the APM operating systemNote for Windows NT Note for OS/2 Testing the computer Checkout guideCheckout guide Diagnostics If an error code appears, go to “Symptom-to-FRU index” on page3. Select Diagnostics with the arrow keys, and press Enter Other Devices DiagnosticsHardware Info Power system checkoutDetecting system information with PC-Doctor UtilityChecking the ac adapter Checking operational chargingChecking the battery pack Checking the backup batteryRed + Black ThinkPad A20m/p, A21m/p and A22m/p 12.1-in. panel Feature SpecificationsProduct overview Description42 ThinkPad A20m/p, A21m/p, A22m/p Featurecontinued DescriptionDescription FeatureThinkPad A20m/p, A21m/p and A22m/p A20m/pStatus indicators indicator is off, the system is ready to ThinkPad A20m/p, A21m/p and A22m/pcontinued FRU testsThe following table shows the test for each FRU 46 ThinkPad A20m/p, A21m/p, A22m/pApplicable test Fn key combinations 48 ThinkPad A20m/p, A21m/p, A22m/pSymptom-to-FRU index Numeric error codesSymptom-to-FRU index continued 50 ThinkPad A20m/p, A21m/p, A22m/pThinkPad A20m/p, A21m/p and A22m/p Error messages 52 ThinkPad A20m/p, A21m/p, A22m/pBeep symptoms No beep symptomsThinkPad A20m/p, A21m/p and A22m/p LCD-related symptoms Intermittent problems Undetermined problemsv Plastic to plastic FRU replacement noticesScrew notices 90 degrees more Cross-sectionRetaining serial numbers Restoring the serial number of the system unitRetaining the UUID 2. From the main menu, select 4. Assign UUID Removing and replacing a FRU Removing and replacing a FRU1010 Battery pack 60 ThinkPad A20m/p, A21m/p, A22m/pNote Loosen the screw 1020 DIMMFor access, remove this FRU v “1010 Battery pack” on page but do not remove it62 ThinkPad A20m/p, A21m/p, A22m/p Removing and replacing a FRUNote Loosen the screw 1030 Mini PCI adapterFor access, remove this FRU v “1010 Battery pack” on page but do not remove itFor A20m/p, A21m/p series For A22m/p series v “1020 DIMM” on page v “1030 Mini PCI adapter” on page 1040 Backup batteryFor access, remove these FRUs, in order v “1010 Battery pack” on page 66 ThinkPad A20m/p, A21m/p, A22m/p1050 Hard-disk drive or RF ID adapter Do not drop or apply any shock to the hard-diskWhen installing Make sure that the HDD connector is firmly connected 68 ThinkPad A20m/p, A21m/p, A22m/pRemoving and replacing a FRU 1060 Ultrabay 2000 device to release70 ThinkPad A20m/p, A21m/p, A22m/p Removing and replacing a FRU0.392 Nm 1070 KeyboardM2.5 × 15 mm, nylon-coated 4 kgfcmcontinued 72 ThinkPad A20m/p, A21m/p, A22m/pRemoving and replacing a FRU connector on the underside of the key then push the v “1050 Hard-disk drive or RF ID adapter” on page 1080 Keyboard CRU insulatorFor access, remove these FRUs, in order v “1010 Battery pack” on page v “1060 Ultrabay 2000 device” on page v “1070 Keyboard” on page1090 Hinge cover and clear sheet icon 1100 Keyboard bezel and speaker Screw quantity ThinkPad A20m/p, A21m/p and A22m/pStep Torque1110 Microphone and speaker cable For A20m/p and A21m/p series microphone and speaker cableFor A22m/p series speaker cable When installing Make sure that you fasten the connector firmlyThinkPad A20m/p, A21m/p and A22m/p 1120 Sub card Screw quantity ThinkPad A20m/p, A21m/p and A22m/pStep Torque0.245 Nm 1130 PC Card slot assemblyM2.0 × 9.5 mm, nylon-coated 2.5 kgfcm1140 Fan assembly Note StepInstallation notice for A21m/p and A22m/p series 84 ThinkPad A20m/p, A21m/p, A22m/p1150 Diskette drive Note StepWhen installing Do not press the 1160 Upper shield 1170 TV card 1180 CPU socket and CPU v Rotate the screw head A 180 to the direction of the When installing the CPU, do as shown in the figurev When attach the CPU to the socket, do as shown in the step arrow1190 System board and RJ45/11 connector assembly For A20m/p and A21m/p series For A22m/p series Bottom side of the system board For A22m/p series Thermal rubbers locationFor A21m/p series Upper side of the system board Upper side of the system board2010 LCD assembly Screw quantity ThinkPad A20m/p, A21m/p and A22m/pStep Torque2020 Front bezel 12.1-in. panel14.1-in. and 15.0-in. panels ThinkPad A20m/p, A21m/p and A22m/p98 ThinkPad A20m/p, A21m/p, A22m/p Removing and replacing a FRU2030 Inverter card 12.1-in. panel14.1-in. and 15.0-in. panels 100 ThinkPad A20m/p, A21m/p, A22m/p2040 LCD panel 12.1-in. panelcontinued 102 ThinkPad A20m/p, A21m/p, A22m/pRemoving and replacing a FRU 14.1-in. and 15.0-in. panels continuedThinkPad A20m/p, A21m/p and A22m/p LCD cable in step v The LCD cable for the 15.0-in. UXGA LCD 27L0598 3010 ThinkPad Dock PCI cover Before replacing the PCI coverBottom view 106 ThinkPad A20m/p, A21m/p, A22m/pRemoving and replacing a FRU 3020 ThinkPad Dock top cover Rearview continued Bottomview 108 ThinkPad A20m/p, A21m/p, A22m/pview, shown in the circle v Make sure that the device release lever is seated correctly When replacing the top cover, do the followingv Make sure that the springs placed correctly continuedv Make sure that the release button works correctly ThinkPad A20m/p, A21m/p and A22m/pRemoving and replacing a FRU Locations Front view Serial connector External-monitor connector Rear viewSecurity keyhole Parallel connector Modem connector Network connector Universal serial bus USB connector External-input-device connectorDocking connector DIMM slot Stereo headphone jack Stereo line-in jack Bottom viewBattery pack Battery pack latches Mini PCI card slot Diskette drive Microphone jack Infrared port Hard-disk driveMini PCI Parts list A series model matrixModel deviceParts list 1 Memory 128 MB continued116 ThinkPad A20m/p, A21m/p, A22m/p Model 1 Memory 128 MB continuedThinkPad A20m/p, A21m/p and A22m/p Mini PCIModel continued118 ThinkPad A20m/p, A21m/p, A22m/p Mini PCIModel 1 Memory 128 MB continuedThinkPad A20m/p, A21m/p and A22m/p Bay deviceModel continued120 ThinkPad A20m/p, A21m/p, A22m/p Mini PCIModel 1 Memory 128 MB continuedThinkPad A20m/p, A21m/p and A22m/p Bay deviceexcept Y2J 122 ThinkPad A20m/p, A21m/p, A22m/pexcept Y1J except U1JOverall optional FRUs v The FRUs marked withare also available as Gxx, Kxx, Qxx, Txxcontinued ThinkPad A20m/p, A21m/p and A22m/pcontinued 126 ThinkPad A20m/p, A21m/p, A22m/pcontinued ThinkPad A20m/p, A21m/p and A22m/pcontinued 128 ThinkPad A20m/p, A21m/p, A22m/pcontinued ThinkPad A20m/p, A21m/p and A22m/pcontinued 130 ThinkPad A20m/p, A21m/p, A22m/pcontinued ThinkPad A20m/p, A21m/p and A22m/pcontinued 132 ThinkPad A20m/p, A21m/p, A22m/pcontinued ThinkPad A20m/p, A21m/p and A22m/pcontinued 134 ThinkPad A20m/p, A21m/p, A22m/pThinkPad A20m/p, A21m/p and A22m/p AC adapter LCD FRUs12.1-in. SVGA TFT 14.1-in. XGA TFT ThinkPad A20m/p, A21m/p and A22m/pFollowing FRUs are available for MT2628-3xx, Jxx, Pxx, Rxx 15.0-in. XGA TFT LG15.0-in. XGA TFT SAMSUNG Following FRUs are available for MT2628-3xx, Fxx, Jxx, Pxx, RxxFollowing FRUs are available for MT2628-Sxx and 15.0-in. SXGA+ TFT15.0-in. UXGA TFT Following FRUs are available for MT2629-Hxx, Uxx, YxxKeyboard All of the keyboards listed below are CRUs customer replaceable units140 ThinkPad A20m/p, A21m/p, A22m/p Recovery CDs For Windows 98 A22mFor Windows 98 A22p 142 ThinkPad A20m/p, A21m/p, A22m/pFor Windows 2000/Windows NT A22m For Windows 2000 A22mFor Windows 2000 A22p ThinkPad A20m/p, A21m/p and A22m/pFor Windows 2000/Windows NT A22p 144 ThinkPad A20m/p, A21m/p, A22m/pMiscellaneous parts continuedThinkPad A20m/p, A21m/p and A22m/p 146 ThinkPad A20m/p, A21m/p, A22m/p Optional FRUs ThinkPad A20m/p, A21m/p and A22m/pFor 2-pin power cords Common parts listPower cords system For 3-pin power cordsPower cords docking station For 3-pin power cordsNotices TrademarksThinkPad A20m/p, A21m/p and A22m/p NoticesPart Number 23P0896 1P P/N 23P0896