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IBM A21P Memory 128 MB continued, ThinkPad A20m/p, A21m/p and A22m/p, Model, Mini PCI, device

Models: MT 2631 A20M A21P A22M A22P A21M

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							Parts list

Model	CPU	Bay	Mini PCI		LCD		HDD
		device	adapter

A20m (Memory, 64 MB; Video memory, 8 MB)

2628-4Lx *1	CM	CD-	Modem		14.1-in.		12 GB
	700G	ROM			XGA
2628-4Sx, 4Tx	700G	ROM	Combo		XGA
2628-4Sx, 4Tx			Combo
			(Intel)

2628-4Ox		—	—			—

2628-4Wx, 4Xx		CD-	Combo				12 GB
		ROM	(3Com)

2628-4Hx, 4Ix *1		DVD-	Modem				18 GB
		ROM

2633-41x		CD-	Modem				12 GB
except 41J, 41K		ROM
42x except 42J,
42K

2633-41J, 41K,			Ethernet
42J, 42K

2633-43x, 45x			—

2633-4Sx, 4Tx			Combo
			(Intel)

2633-4Wx, 4Xx			Combo
			(3Com)

A20p (Memory, 128 MB; Video memory, 16 MB)

2629-61x	CM	DVD-	Modem		15.0-in.		18 GB
except 61J, 61K	700G	ROM			SXGA+
2629-62x
except 62J, 62K

2629-61J, 61K,			Ehternet
62J, 62K

2629-6Sx, 6Tx			Combo
			(Intel)

2629-6Ox		—	—			—

2629-6Ax	CM	DVD-	Modem				20 GB
except 6AJ,	750G	ROM
6AK
2629-6Cx
except 6CJ,
6CK

2629-6AJ, 6AK,			Ethernet
6CJ, 6CK

2629-6Ux, 6Vx			Combo
			(Intel)

2629-6Zx		—	—			—

*1: Memory 128 MB

(continued)

ThinkPad A20m/p, A21m/p and A22m/p 117

Image 123

IBM A21P, A21M, A22P, A22M Memory 128 MB continued, ThinkPad A20m/p, A21m/p and A22m/p, Model, Mini PCI, device, adapter

Contents

ThinkPad Dock IBM Mobile Systems ThinkPad Computer Hardware Maintenance ManualOctober This manual supports ThinkPad A20m, A21m, A22m A20p, A21p, A22pSecond Edition October About this manual iv ThinkPad A20m/p, A21m/p, A22m/p General descriptions ContentsAbout this manual Introduction1040 Important service information IntroductionStrategy for replacing FRUs How to use error messages Diskette compatibility matrixStrategy for replacing a hard-disk drive 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/pGeneral descriptions Read this firstWhat to do first The following are not covered under warranty Note for warrantyRestoring the pre-installed software Related service informationService web site Product recovery programReinstall the Product Recovery Program? Y/N ” Creating the service partitionTo create a recovery repair diskette To create the Service Partition SPTo use the recovery repair diskette PasswordsHow to remove the power-on password Power-on passwordHard-disk password Supervisor 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 Other Devices Diagnostics If an error code appears, go to “Symptom-to-FRU index” on page3. Select Diagnostics with the arrow keys, and press Enter DiagnosticsUtility Power system checkoutDetecting system information with PC-Doctor Hardware InfoChecking 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 Description SpecificationsProduct overview FeatureDescription Featurecontinued 42 ThinkPad A20m/p, A21m/p, A22m/pA20m/p FeatureThinkPad A20m/p, A21m/p and A22m/p DescriptionStatus indicators ThinkPad A20m/p, A21m/p and A22m/p indicator is off, the system is ready to46 ThinkPad A20m/p, A21m/p, A22m/p FRU testsThe following table shows the test for each FRU continuedApplicable test 48 ThinkPad A20m/p, A21m/p, A22m/p Fn key combinationsSymptom-to-FRU index Numeric error codesSymptom-to-FRU index 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 messagesBeep symptoms No beep symptomsThinkPad A20m/p, A21m/p and A22m/p LCD-related symptoms Undetermined problems Intermittent problems90 degrees more Cross-section FRU replacement noticesScrew notices v Plastic to plasticRetaining 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 FRU60 ThinkPad A20m/p, A21m/p, A22m/p 1010 Battery packbut do not remove it 1020 DIMMFor access, remove this FRU v “1010 Battery pack” on page Note Loosen the screwRemoving and replacing a FRU 62 ThinkPad A20m/p, A21m/p, A22m/pbut do not remove it 1030 Mini PCI adapterFor access, remove this FRU v “1010 Battery pack” on page Note Loosen the screwFor A20m/p, A21m/p series For A22m/p series 66 ThinkPad A20m/p, A21m/p, A22m/p 1040 Backup batteryFor access, remove these FRUs, in order v “1010 Battery pack” on page v “1020 DIMM” on page v “1030 Mini PCI adapter” on pageDo not drop or apply any shock to the hard-disk 1050 Hard-disk drive or RF ID adapterWhen installing Make sure that the HDD connector is firmly connected 68 ThinkPad A20m/p, A21m/p, A22m/pRemoving and replacing a FRU to release 1060 Ultrabay 2000 deviceRemoving and replacing a FRU 70 ThinkPad A20m/p, A21m/p, A22m/p4 kgfcm 1070 KeyboardM2.5 × 15 mm, nylon-coated 0.392 Nmcontinued 72 ThinkPad A20m/p, A21m/p, A22m/pRemoving and replacing a FRU connector on the underside of the key then push the v “1060 Ultrabay 2000 device” on page v “1070 Keyboard” on page 1080 Keyboard CRU insulatorFor access, remove these FRUs, in order v “1010 Battery pack” on page v “1050 Hard-disk drive or RF ID adapter” on page1090 Hinge cover and clear sheet icon 1100 Keyboard bezel and speaker Torque ThinkPad A20m/p, A21m/p and A22m/pStep Screw quantityFor A20m/p and A21m/p series microphone and speaker cable 1110 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 Torque ThinkPad A20m/p, A21m/p and A22m/pStep Screw quantity2.5 kgfcm 1130 PC Card slot assemblyM2.0 × 9.5 mm, nylon-coated 0.245 NmNote 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 arrow When installing the CPU, do as shown in the figurev When attach the CPU to the socket, do as shown in the step v Rotate the screw head A 180 to the direction of the1190 System board and RJ45/11 connector assembly For A20m/p and A21m/p series For A22m/p series Upper side of the system board Thermal rubbers locationFor A21m/p series Upper side of the system board Bottom side of the system board For A22m/p series2010 LCD assembly Torque ThinkPad A20m/p, A21m/p and A22m/pStep Screw quantity12.1-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 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 Before replacing the PCI cover 3010 ThinkPad Dock PCI coverBottom view 106 ThinkPad A20m/p, A21m/p, A22m/pRemoving and replacing a FRU 3020 ThinkPad Dock top cover Rearview 108 ThinkPad A20m/p, A21m/p, A22m/p Bottomview continuedview, shown in the circle continued When replacing the top cover, do the followingv Make sure that the springs placed correctly v Make sure that the device release lever is seated correctlyv Make sure that the release button works correctly ThinkPad A20m/p, A21m/p and A22m/pRemoving and replacing a FRU Locations Front view Universal serial bus USB connector External-input-device connector Rear viewSecurity keyhole Parallel connector Modem connector Network connector Serial connector External-monitor connectorDiskette drive Microphone jack Infrared port Hard-disk drive Bottom viewBattery pack Battery pack latches Mini PCI card slot Docking connector DIMM slot Stereo headphone jack Stereo line-in jackdevice Parts list A series model matrixModel Mini PCIParts list 1 Memory 128 MB continued116 ThinkPad A20m/p, A21m/p, A22m/p Mini PCI 1 Memory 128 MB continuedThinkPad A20m/p, A21m/p and A22m/p ModelMini PCI continued118 ThinkPad A20m/p, A21m/p, A22m/p ModelBay device 1 Memory 128 MB continuedThinkPad A20m/p, A21m/p and A22m/p ModelMini PCI continued120 ThinkPad A20m/p, A21m/p, A22m/p ModelBay device 1 Memory 128 MB continuedThinkPad A20m/p, A21m/p and A22m/p Modelexcept U1J 122 ThinkPad A20m/p, A21m/p, A22m/pexcept Y1J except Y2JOverall Gxx, Kxx, Qxx, Txx v The FRUs marked withare also available as optional FRUsThinkPad 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 AC adapter LCD FRUs12.1-in. SVGA TFT ThinkPad A20m/p, A21m/p and A22m/p 14.1-in. XGA TFTFollowing FRUs are available for MT2628-3xx, Fxx, Jxx, Pxx, Rxx 15.0-in. XGA TFT LG15.0-in. XGA TFT SAMSUNG Following FRUs are available for MT2628-3xx, Jxx, Pxx, RxxFollowing FRUs are available for MT2629-Hxx, Uxx, Yxx 15.0-in. SXGA+ TFT15.0-in. UXGA TFT Following FRUs are available for MT2628-Sxx andKeyboard All of the keyboards listed below are CRUs customer replaceable units140 ThinkPad A20m/p, A21m/p, A22m/p For Windows 98 A22m Recovery CDs142 ThinkPad A20m/p, A21m/p, A22m/p For Windows 98 A22pThinkPad A20m/p, A21m/p and A22m/p For Windows 2000 A22mFor Windows 2000 A22p For Windows 2000/Windows NT A22m144 ThinkPad A20m/p, A21m/p, A22m/p For Windows 2000/Windows NT A22pMiscellaneous parts continuedThinkPad A20m/p, A21m/p and A22m/p 146 ThinkPad A20m/p, A21m/p, A22m/p ThinkPad A20m/p, A21m/p and A22m/p Optional FRUsFor 3-pin power cords Common parts listPower cords system For 2-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