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IBM MT 2631, A21M Memory 128 MB continued, ThinkPad A20m/p, A21m/p and A22m/p, Model, Bay device

Models: MT 2631 A20M A21P A22M A22P A21M

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Bay device

Parts list

Model

CPU

Bay device

Mini PCI LCD adapter

HDD

A21m (Memory, 64 MB; Video memory, 8 MB)

2628-F1x, F2x	CM	CD-	Modem	15.0-in.	20 GB
except F2J	750G	ROM		XGA

2628-F2J			Ethernet

2628-FXx, FWx			Combo
			(3Com)

2628-FSx, FTx			Combo
			(Intel)

2628-FOx		—	—	—

2628-FDC *1		DVD-	Modem		20 GB
		ROM

2628-G1x	CM	DVD-	Modem	14.1-in.
except G1J	800G	ROM		XGA
2628-G2x
except G2J
2628-G4x
except G4J

2628-GLx *1
2628-G1J, G2J,			Ethernet
G4J

2628-G3x, G5x			—

2628-GSx, GTx			Combo
			(Intel)

2628-GXx, GWx			Combo
			(3Com)

2628-GOx		—	—	—

2633-G1x		DVD-	Modem		20 GB
except G1J,		ROM
G1K
2633-G2x
except G2J,
G2K

2633-G1J, G1K,			Ethernet
G2J, G2K

2633-GSx, GTx			Combo
			(Intel)

2633-GXx, GWx			Combo
			(3Com)

*1: Memory 128 MB

(continued)

ThinkPad A20m/p, A21m/p and A22m/p 119

Image 125

IBM MT 2631, A21M Memory 128 MB continued, ThinkPad A20m/p, A21m/p and A22m/p, Model, Bay device, Mini PCI LCD adapter

Contents

October This manual supports ThinkPad A20m, A21m, A22m IBM Mobile Systems ThinkPad Computer Hardware Maintenance ManualA20p, A21p, A22p ThinkPad DockSecond Edition October About this manual iv ThinkPad A20m/p, A21m/p, A22m/p About this manual ContentsIntroduction General descriptions1040 Strategy for replacing FRUs Important service informationIntroduction Strategy for replacing a hard-disk drive How to use error messagesDiskette compatibility matrix Safety notice Safety notices multilingual translationsSafety 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 General safety Safety informationElectrical safety Safety inspection guide Handling electrostatic discharge-sensitive devices Laser compliance statement Grounding requirementsLaser compliance statement 20 ThinkPad A20m/p, A21m/p, A22m/p DANGER Laser compliance statement 22 ThinkPad A20m/p, A21m/p, A22m/pWhat to do first General descriptionsRead this first The following are not covered under warranty Note for warrantyService web site Related service informationProduct recovery program Restoring the pre-installed softwareTo create a recovery repair diskette Creating the service partitionTo create the Service Partition SP Reinstall the Product Recovery Program? Y/N ”To use the recovery repair diskette PasswordsHard-disk password Power-on passwordSupervisor password How to remove the power-on password5. Select Master HDP How to remove the hard-disk password4. Select Power-On Password Standby mode Power managementScreen blank mode Note for Windows NT Hibernation modeNote for the APM operating system Note for OS/2 Checkout guide Testing the computerCheckout guide 3. Select Diagnostics with the arrow keys, and press Enter If an error code appears, go to “Symptom-to-FRU index” on pageDiagnostics Other Devices DiagnosticsDetecting system information with PC-Doctor Power system checkoutHardware Info UtilityChecking operational charging Checking the ac adapterChecking the backup battery Checking the battery packRed + Black ThinkPad A20m/p, A21m/p and A22m/p 12.1-in. panel Product overview SpecificationsFeature Descriptioncontinued Feature42 ThinkPad A20m/p, A21m/p, A22m/p DescriptionThinkPad A20m/p, A21m/p and A22m/p FeatureDescription A20m/pStatus indicators ThinkPad A20m/p, A21m/p and A22m/p indicator is off, the system is ready toThe following table shows the test for each FRU FRU testscontinued 46 ThinkPad A20m/p, A21m/p, A22m/pApplicable test 48 ThinkPad A20m/p, A21m/p, A22m/p Fn key combinationsSymptom-to-FRU index Symptom-to-FRU indexNumeric error codes 50 ThinkPad A20m/p, A21m/p, A22m/p continuedThinkPad A20m/p, A21m/p and A22m/p 52 ThinkPad A20m/p, A21m/p, A22m/p Error messagesThinkPad A20m/p, A21m/p and A22m/p Beep symptomsNo beep symptoms LCD-related symptoms Undetermined problems Intermittent problemsScrew notices FRU replacement noticesv Plastic to plastic 90 degrees more Cross-sectionRetaining the UUID Retaining serial numbersRestoring the serial number of the system unit 2. From the main menu, select 4. Assign UUID Removing and replacing a FRU Removing and replacing a FRU60 ThinkPad A20m/p, A21m/p, A22m/p 1010 Battery packFor access, remove this FRU v “1010 Battery pack” on page 1020 DIMMNote Loosen the screw but do not remove itRemoving and replacing a FRU 62 ThinkPad A20m/p, A21m/p, A22m/pFor access, remove this FRU v “1010 Battery pack” on page 1030 Mini PCI adapterNote Loosen the screw but do not remove itFor A20m/p, A21m/p series For A22m/p series For access, remove these FRUs, in order v “1010 Battery pack” on page 1040 Backup batteryv “1020 DIMM” on page v “1030 Mini PCI adapter” on page 66 ThinkPad A20m/p, A21m/p, A22m/pDo not drop or apply any shock to the hard-disk 1050 Hard-disk drive or RF ID adapterRemoving and replacing a FRU When installing Make sure that the HDD connector is firmly connected68 ThinkPad A20m/p, A21m/p, A22m/p to release 1060 Ultrabay 2000 deviceRemoving and replacing a FRU 70 ThinkPad A20m/p, A21m/p, A22m/pM2.5 × 15 mm, nylon-coated 1070 Keyboard0.392 Nm 4 kgfcmRemoving and replacing a FRU continued72 ThinkPad A20m/p, A21m/p, A22m/p connector on the underside of the key then push the For access, remove these FRUs, in order v “1010 Battery pack” on page 1080 Keyboard CRU insulatorv “1050 Hard-disk drive or RF ID adapter” 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 Step ThinkPad A20m/p, A21m/p and A22m/pScrew quantity TorqueFor A20m/p and A21m/p series microphone and speaker cable 1110 Microphone and speaker cableThinkPad A20m/p, A21m/p and A22m/p For A22m/p series speaker cableWhen installing Make sure that you fasten the connector firmly 1120 Sub card Step ThinkPad A20m/p, A21m/p and A22m/pScrew quantity TorqueM2.0 × 9.5 mm, nylon-coated 1130 PC Card slot assembly0.245 Nm 2.5 kgfcmNote Step 1140 Fan assembly84 ThinkPad A20m/p, A21m/p, A22m/p Installation notice for A21m/p and A22m/p seriesNote Step 1150 Diskette driveWhen installing Do not press the 1160 Upper shield 1170 TV card 1180 CPU socket and CPU v When attach the CPU to the socket, do as shown in the step When installing the CPU, do as shown in the figurev Rotate the screw head A 180 to the direction of the arrow1190 System board and RJ45/11 connector assembly For A20m/p and A21m/p series For A22m/p series For A21m/p series Upper side of the system board Thermal rubbers locationBottom side of the system board For A22m/p series Upper side of the system board2010 LCD assembly Step ThinkPad A20m/p, A21m/p and A22m/pScrew quantity Torque12.1-in. panel 2020 Front bezelThinkPad A20m/p, A21m/p and A22m/p 14.1-in. and 15.0-in. panelsRemoving and replacing a FRU 98 ThinkPad A20m/p, A21m/p, A22m/p12.1-in. panel 2030 Inverter card100 ThinkPad A20m/p, A21m/p, A22m/p 14.1-in. and 15.0-in. panels12.1-in. panel 2040 LCD panelRemoving and replacing a FRU continued102 ThinkPad A20m/p, A21m/p, A22m/p ThinkPad A20m/p, A21m/p and A22m/p 14.1-in. and 15.0-in. panelscontinued LCD cable in step v The LCD cable for the 15.0-in. UXGA LCD 27L0598 Before replacing the PCI cover 3010 ThinkPad Dock PCI coverRemoving and replacing a FRU Bottom view106 ThinkPad A20m/p, A21m/p, A22m/p view 3020 ThinkPad Dock top coverRear view Bottomcontinued 108 ThinkPad A20m/p, A21m/p, A22m/pview, shown in the circle v Make sure that the springs placed correctly When replacing the top cover, do the followingv Make sure that the device release lever is seated correctly continuedRemoving and replacing a FRU v Make sure that the release button works correctlyThinkPad A20m/p, A21m/p and A22m/p Locations Front view Security keyhole Parallel connector Modem connector Network connector Rear viewSerial connector External-monitor connector Universal serial bus USB connector External-input-device connectorBattery pack Battery pack latches Mini PCI card slot Bottom viewDocking connector DIMM slot Stereo headphone jack Stereo line-in jack Diskette drive Microphone jack Infrared port Hard-disk driveModel Parts list A series model matrixMini PCI device116 ThinkPad A20m/p, A21m/p, A22m/p Parts list1 Memory 128 MB continued ThinkPad A20m/p, A21m/p and A22m/p 1 Memory 128 MB continuedModel Mini PCI118 ThinkPad A20m/p, A21m/p, A22m/p continuedModel Mini PCIThinkPad A20m/p, A21m/p and A22m/p 1 Memory 128 MB continuedModel Bay device120 ThinkPad A20m/p, A21m/p, A22m/p continuedModel Mini PCIThinkPad A20m/p, A21m/p and A22m/p 1 Memory 128 MB continuedModel Bay deviceexcept Y1J 122 ThinkPad A20m/p, A21m/p, A22m/pexcept Y2J except U1JOverall are also available as v The FRUs marked withoptional FRUs Gxx, Kxx, Qxx, TxxThinkPad A20m/p, A21m/p and A22m/p continued126 ThinkPad A20m/p, A21m/p, A22m/p continuedThinkPad A20m/p, A21m/p and A22m/p continued128 ThinkPad A20m/p, A21m/p, A22m/p continuedThinkPad A20m/p, A21m/p and A22m/p continued130 ThinkPad A20m/p, A21m/p, A22m/p continuedThinkPad A20m/p, A21m/p and A22m/p continued132 ThinkPad A20m/p, A21m/p, A22m/p continuedThinkPad A20m/p, A21m/p and A22m/p continued134 ThinkPad A20m/p, A21m/p, A22m/p continuedThinkPad A20m/p, A21m/p and A22m/p 12.1-in. SVGA TFT AC adapterLCD FRUs ThinkPad A20m/p, A21m/p and A22m/p 14.1-in. XGA TFT15.0-in. XGA TFT SAMSUNG 15.0-in. XGA TFT LGFollowing FRUs are available for MT2628-3xx, Jxx, Pxx, Rxx Following FRUs are available for MT2628-3xx, Fxx, Jxx, Pxx, Rxx15.0-in. UXGA TFT 15.0-in. SXGA+ TFTFollowing FRUs are available for MT2628-Sxx and Following FRUs are available for MT2629-Hxx, Uxx, Yxx140 ThinkPad A20m/p, A21m/p, A22m/p KeyboardAll of the keyboards listed below are CRUs customer replaceable units For Windows 98 A22m Recovery CDs142 ThinkPad A20m/p, A21m/p, A22m/p For Windows 98 A22pFor Windows 2000 A22p For Windows 2000 A22mFor Windows 2000/Windows NT A22m ThinkPad A20m/p, A21m/p and A22m/p144 ThinkPad A20m/p, A21m/p, A22m/p For Windows 2000/Windows NT A22pThinkPad A20m/p, A21m/p and A22m/p Miscellaneous partscontinued 146 ThinkPad A20m/p, A21m/p, A22m/p ThinkPad A20m/p, A21m/p and A22m/p Optional FRUsPower cords system Common parts listFor 2-pin power cords For 3-pin power cordsFor 3-pin power cords Power cords docking stationTrademarks NoticesNotices ThinkPad A20m/p, A21m/p and A22m/p1P P/N 23P0896 Part Number 23P0896