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IBM A21M, A22P, A22M continued, ThinkPad A20m/p, A21m/p, A22m/p, Feature, Description, A21p, A22p

Models: MT 2631 A20M A21P A22M A22P A21M

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		Product overview

Feature	Description

Processor	A21p
	v	Mobile Intel® Pentium® III processor at
		850 MHz featuring Intel® SpeedStep™
		technology
	A22m
	v	Mobile Intel® Pentium® III processor at
		800 MHz featuring Intel® SpeedStep™
		technology
	v	Mobile Intel® Pentium® III processor at
		850 MHz featuring Intel® SpeedStep™
		technology
	v	Mobile Intel® Pentium® III processor at
		900 MHz featuring Intel® SpeedStep™
		technology
	v	Mobile Intel® Pentium® III processor at
		1 GHz featuring Intel® SpeedStep™
		technology
	A22p
	v	Mobile Intel® Pentium® III processor at
		1 GHz featuring Intel® SpeedStep™
		technology

Bus architecture	PCI Bus

Memory (standard)	A20m/p
	v 64 MB (on the system board)
	v 128 MB (on the system board)
	A21m/p
	v 64 MB (on the system board)
	v 128 MB (on the system board)
	v	64 MB (64 MB SO-DIMM × 1)
	v	128 MB (128 MB SO-DIMM × 1)
	A22m/p
	v	64 MB (64 MB SO-DIMM × 1)
	v	128 MB (128 MB SO-DIMM × 1)
Memory (optional)	64 MB, 128 MB, or 256 MB DIMM card
	(maximum of 512 MB)

CMOS RAM	114 bytes + 128 bytes

Display	v	12.1-inch, 16M colors, SVGA (800⋅ 600
		resolution) TFT color LCD
	v 14.1-inch, 16M colors, XGA (1024⋅		768
		resolution) TFT color LCD
	v 15.0-inch, 16M colors, XGA (1024⋅		768
		resolution) TFT color LCD
	v 15.0-inch, 16M colors, SXGA+
		(1400⋅ 1050 resolution) TFT color LCD
	v 15.0-inch, 16M colors, UXGA
		(1600⋅ 1200 resolution) TFT color LCD

(continued)

42ThinkPad A20m/p, A21m/p, A22m/p

Image 48

IBM A21M, A22P, A22M, A21P, A20M, MT 2631 manual continued, ThinkPad A20m/p, A21m/p, A22m/p, Feature, Description, A21p, A22p

Contents

IBM Mobile Systems ThinkPad Computer Hardware Maintenance Manual October This manual supports ThinkPad A20m, A21m, A22mA20p, A21p, A22p ThinkPad DockSecond Edition October About this manual iv ThinkPad A20m/p, A21m/p, A22m/p Contents About this manualIntroduction 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 warrantyRelated service information Service web siteProduct recovery program Restoring the pre-installed softwareCreating 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 diskettePower-on password Hard-disk passwordSupervisor 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 If an error code appears, go to “Symptom-to-FRU index” on page 3. Select Diagnostics with the arrow keys, and press EnterDiagnostics Other Devices DiagnosticsPower system checkout Detecting system information with PC-DoctorHardware Info 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 Specifications Product overviewFeature DescriptionFeature continued42 ThinkPad A20m/p, A21m/p, A22m/p DescriptionFeature ThinkPad A20m/p, A21m/p and A22m/pDescription A20m/pStatus indicators indicator is off, the system is ready to ThinkPad A20m/p, A21m/p and A22m/pFRU tests The following table shows the test for each FRUcontinued 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 problemsFRU replacement notices Screw noticesv Plastic to plastic 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/p1020 DIMM For access, remove this FRU v “1010 Battery pack” on pageNote Loosen the screw but do not remove it62 ThinkPad A20m/p, A21m/p, A22m/p Removing and replacing a FRU1030 Mini PCI adapter For access, remove this FRU v “1010 Battery pack” on pageNote Loosen the screw but do not remove itFor A20m/p, A21m/p series For A22m/p series 1040 Backup battery For access, remove these FRUs, in order v “1010 Battery pack” on pagev “1020 DIMM” on page v “1030 Mini PCI adapter” 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 FRU1070 Keyboard M2.5 × 15 mm, nylon-coated0.392 Nm 4 kgfcmcontinued 72 ThinkPad A20m/p, A21m/p, A22m/pRemoving and replacing a FRU connector on the underside of the key then push the 1080 Keyboard CRU insulator For access, remove these FRUs, in order v “1010 Battery pack” on pagev “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 ThinkPad A20m/p, A21m/p and A22m/p StepScrew quantity 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 ThinkPad A20m/p, A21m/p and A22m/p StepScrew quantity Torque1130 PC Card slot assembly M2.0 × 9.5 mm, nylon-coated0.245 Nm 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 When installing the CPU, do as shown in the figure v When attach the CPU to the socket, do as shown in the stepv 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 Thermal rubbers location For A21m/p series Upper side of the system boardBottom side of the system board For A22m/p series Upper side of the system board2010 LCD assembly ThinkPad A20m/p, A21m/p and A22m/p StepScrew quantity 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 Bottom viewcontinued 108 ThinkPad A20m/p, A21m/p, A22m/pview, shown in the circle When replacing the top cover, do the following v Make sure that the springs placed correctlyv Make sure that the device release lever is seated 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 Rear view Security keyhole Parallel connector Modem connector Network connectorSerial connector External-monitor connector Universal serial bus USB connector External-input-device connectorBottom view Battery pack Battery pack latches Mini PCI card slotDocking connector DIMM slot Stereo headphone jack Stereo line-in jack Diskette drive Microphone jack Infrared port Hard-disk driveParts list A series model matrix ModelMini PCI deviceParts list 1 Memory 128 MB continued116 ThinkPad A20m/p, A21m/p, A22m/p 1 Memory 128 MB continued ThinkPad A20m/p, A21m/p and A22m/pModel Mini PCIcontinued 118 ThinkPad A20m/p, A21m/p, A22m/pModel Mini PCI1 Memory 128 MB continued ThinkPad A20m/p, A21m/p and A22m/pModel Bay devicecontinued 120 ThinkPad A20m/p, A21m/p, A22m/pModel Mini PCI1 Memory 128 MB continued ThinkPad A20m/p, A21m/p and A22m/pModel Bay device122 ThinkPad A20m/p, A21m/p, A22m/p except Y1Jexcept Y2J except U1JOverall v The FRUs marked with are also available asoptional FRUs 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/p15.0-in. XGA TFT LG 15.0-in. XGA TFT SAMSUNGFollowing FRUs are available for MT2628-3xx, Jxx, Pxx, Rxx Following FRUs are available for MT2628-3xx, Fxx, Jxx, Pxx, Rxx15.0-in. SXGA+ TFT 15.0-in. UXGA TFTFollowing FRUs are available for MT2628-Sxx and 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 A22m For Windows 2000 A22pFor Windows 2000/Windows NT A22m 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/pCommon parts list Power cords systemFor 2-pin power cords 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