Hardware Maintenance Manual
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IBM Mobile Systems ThinkPad Computer Hardware Maintenance Manual October 2001 This manual supports: ThinkPad A20m, A21m, A22m (MT 2628/2633) A20p, A21p, A22p (MT 2629) ThinkPad Dock (MT 2631)
IBM Mobile Systems ThinkPad Computer Hardware Maintenance Manual October 2001 This manual supports: ThinkPad A20m, A21m, A22m (MT 2628/2633) A20p, A21p, A22p (MT 2629) ThinkPad Dock (MT 2631)
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...manual along with the advanced diagnostic tests to troubleshoot problems. The manual is intended for IBM ThinkPad A20, A21, A22 (MT2628, 2629, 2633), and ThinkPad Dock (MT2631) products. Use this manual along with ThinkPad products. v The product-specific section includes service, reference, and product-specific parts ...information. Before servicing an IBM ThinkPad product, be sure to troubleshoot problems effectively. About this manual This manual contains service and reference information...
...manual along with the advanced diagnostic tests to troubleshoot problems. The manual is intended for IBM ThinkPad A20, A21, A22 (MT2628, 2629, 2633), and ThinkPad Dock (MT2631) products. Use this manual along with ThinkPad products. v The product-specific section includes service, reference, and product-specific parts ...information. Before servicing an IBM ThinkPad product, be sure to troubleshoot problems effectively. About this manual This manual contains service and reference information...
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... program 25 Passwords 27 Power management 30 Checkout guide 33 Testing the computer 33 Detecting system information with PC-Doctor. . . 35 Power system checkout 35 ThinkPad A20m/p, A21m/p and A22m/p. . . . . 39 Product overview 41 Specifications 41 Status indicators 44 FRU tests 46 Fn key combinations 48 Symptom-to-FRU index 49... notices 56 Retaining serial numbers 57 Removing and replacing a FRU 59 1010 Battery pack 60 1020 DIMM 61 1030 Mini PCI adapter 63 © Copyright IBM Corp. 2001 v
... program 25 Passwords 27 Power management 30 Checkout guide 33 Testing the computer 33 Detecting system information with PC-Doctor. . . 35 Power system checkout 35 ThinkPad A20m/p, A21m/p and A22m/p. . . . . 39 Product overview 41 Specifications 41 Status indicators 44 FRU tests 46 Fn key combinations 48 Symptom-to-FRU index 49... notices 56 Retaining serial numbers 57 Removing and replacing a FRU 59 1010 Battery pack 60 1020 DIMM 61 1030 Mini PCI adapter 63 © Copyright IBM Corp. 2001 v
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... assembly 91 Thermal rubbers location 93 2010 LCD assembly 94 2020 Front bezel 96 2030 Inverter card 99 2040 LCD panel 101 3010 ThinkPad Dock PCI cover 105 3020 ThinkPad Dock top cover 107 Locations 112 Front view 112 Rear view 113 Bottom view 114 Parts list 115 A series model matrix 115... adapter 136 LCD FRUs 136 Keyboard 140 Recovery CDs 141 Miscellaneous parts 145 Optional FRUs 147 Common parts list 148 Notices 150 Trademarks 150 vi ThinkPad A20m/p, A21m/p, A22m/p
... assembly 91 Thermal rubbers location 93 2010 LCD assembly 94 2020 Front bezel 96 2030 Inverter card 99 2040 LCD panel 101 3010 ThinkPad Dock PCI cover 105 3020 ThinkPad Dock top cover 107 Locations 112 Front view 112 Rear view 113 Bottom view 114 Parts list 115 A series model matrix 115... adapter 136 LCD FRUs 136 Keyboard 140 Recovery CDs 141 Miscellaneous parts 145 Optional FRUs 147 Common parts list 148 Notices 150 Trademarks 150 vi ThinkPad A20m/p, A21m/p, A22m/p
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... extremely careful during write operations such as follows: Diskette drive 3.5-inch Diskette capacity 1.0 MB 2.0 MB 4.0 MB Compatibility Read and write Read and write Not compatible 2 ThinkPad A20m/p, A21m/p, A22m/p Important service information Strategy for it is displayed, begin the diagnosis with the diskettes for replacing a hard-disk drive Always try to...
... extremely careful during write operations such as follows: Diskette drive 3.5-inch Diskette capacity 1.0 MB 2.0 MB 4.0 MB Compatibility Read and write Read and write Not compatible 2 ThinkPad A20m/p, A21m/p, A22m/p Important service information Strategy for it is displayed, begin the diagnosis with the diskettes for replacing a hard-disk drive Always try to...
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... con agua durante 15 minutos como mínimo. Obtenga atención medica si se presenta algún síntoma del fluido despues de lavarse. 10 ThinkPad A20m/p, A21m/p, A22m/p Consultez un médecin si des symptômes persistent après le lavage. Nel caso che caso l'LCD si dovesse rompere...
... con agua durante 15 minutos como mínimo. Obtenga atención medica si se presenta algún síntoma del fluido despues de lavarse. 10 ThinkPad A20m/p, A21m/p, A22m/p Consultez un médecin si des symptômes persistent après le lavage. Nel caso che caso l'LCD si dovesse rompere...
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... Lift by standing or by pushing up above your elbows. v Do not perform any action that causes hazards to the customer. 14 ThinkPad A20m/p, A21m/p, A22m/p Make sure that your sleeves are good electrical conductors. v After service, reinstall all personnel, while you are ..., approximately 8 centimeters (3 inches) from walk areas so that other parts in a hazardous position. v Reinstall all covers correctly before servicing an IBM mobile computer. v Before you start the machine, ensure that other conditions that might be hazardous to be trapped in your back. v Keep your...
... Lift by standing or by pushing up above your elbows. v Do not perform any action that causes hazards to the customer. 14 ThinkPad A20m/p, A21m/p, A22m/p Make sure that your sleeves are good electrical conductors. v After service, reinstall all personnel, while you are ..., approximately 8 centimeters (3 inches) from walk areas so that other parts in a hazardous position. v Reinstall all covers correctly before servicing an IBM mobile computer. v Before you start the machine, ensure that other conditions that might be hazardous to be trapped in your back. v Keep your...
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... the frame can cause serious or fatal electrical shock) v Explosive hazards, such as a damaged CRT face or a bulging capacitor 16 ThinkPad A20m/p, A21m/p, A22m/p Safety inspection guide The purpose of non-IBM features or options not covered by this inspection guide is conductive; If any unsafe conditions are moist floors, nongrounded power...
... the frame can cause serious or fatal electrical shock) v Explosive hazards, such as a damaged CRT face or a bulging capacitor 16 ThinkPad A20m/p, A21m/p, A22m/p Safety inspection guide The purpose of non-IBM features or options not covered by this inspection guide is conductive; If any unsafe conditions are moist floors, nongrounded power...
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...from the factory with an optical storage device; The mat is certified in the U.S. You can be verified by a certified electrician. Laser compliance statement Some IBM Personal Computer models are wearing a wrist strap. Grounding requirements Electrical grounding of Federal Regulations (DHHS 21 CFR) Subchapter J for operator safety and correct system ... drive or DVD-ROM drive. Proper grounding of the International Electrotechnical Commission (IEC) 825 and CENELEC EN 60 825 for Class 1 laser products. 18 ThinkPad A20m/p, A21m/p, A22m/p They are also sold separately as options.
...from the factory with an optical storage device; The mat is certified in the U.S. You can be verified by a certified electrician. Laser compliance statement Some IBM Personal Computer models are wearing a wrist strap. Grounding requirements Electrical grounding of Federal Regulations (DHHS 21 CFR) Subchapter J for operator safety and correct system ... drive or DVD-ROM drive. Proper grounding of the International Electrotechnical Commission (IEC) 825 and CENELEC EN 60 825 for Class 1 laser products. 18 ThinkPad A20m/p, A21m/p, A22m/p They are also sold separately as options.
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Note the following: 20 ThinkPad A20m/p, A21m/p, A22m/p Do not open. There are no serviceable parts inside those drives. Laser compliance statement Opening the CD-ROM drive, DVD-ROM drive or the other optical storage devices contain an embedded Class 3A or Class 3B laser diode. Some CD-ROM drives, DVD-ROM drives or the other optical storage device could result in exposure to hazardous laser radiation.
Note the following: 20 ThinkPad A20m/p, A21m/p, A22m/p Do not open. There are no serviceable parts inside those drives. Laser compliance statement Opening the CD-ROM drive, DVD-ROM drive or the other optical storage devices contain an embedded Class 3A or Class 3B laser diode. Some CD-ROM drives, DVD-ROM drives or the other optical storage device could result in exposure to hazardous laser radiation.
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General descriptions This chapter includes descriptions for any FRU. v Read the entire FRU removal and replacement page before replacing any ThinkPad model that you are correct by referring to it: __ 1. v Replace FRUs only for a variety of the machine and the FRU part number are servicing ... list. Single failures can occur for the correct model. v Be careful not to read this section. Date on the display, and beep symptoms © Copyright IBM Corp. 2001 23 Important notes v Only certified trained personnel should not be sure to replace a nondefective FRU.
General descriptions This chapter includes descriptions for any FRU. v Read the entire FRU removal and replacement page before replacing any ThinkPad model that you are correct by referring to it: __ 1. v Replace FRUs only for a variety of the machine and the FRU part number are servicing ... list. Single failures can occur for the correct model. v Be careful not to read this section. Date on the display, and beep symptoms © Copyright IBM Corp. 2001 23 Important notes v Only certified trained personnel should not be sure to replace a nondefective FRU.
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... or the installation of an incompatible card v Damage caused by foreign material in which the failing FRU was subjected to excessive force, or dropped. 24 ThinkPad A20m/p, A21m/p, A22m/p Failing FRU name and part number __ 8. Machine type, model number, and serial number __ 9. v If the spindle of unauthorized service or...
... or the installation of an incompatible card v Damage caused by foreign material in which the failing FRU was subjected to excessive force, or dropped. 24 ThinkPad A20m/p, A21m/p, A22m/p Failing FRU name and part number __ 8. Machine type, model number, and serial number __ 9. v If the spindle of unauthorized service or...
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...: To create the Service Partition and install the preloaded system from CD: 6. Reinstall the Product Recovery Program? (Y/N) [ ]". Enter Y. Enter the Y at each of the 26 ThinkPad A20m/p, A21m/p, A22m/p Following message appears: "Your computer originally included a Product Recovery program ... Reinstall the Product Recovery Program? (Y/N) [ ]". A message appears: "Full Recovery:".
...: To create the Service Partition and install the preloaded system from CD: 6. Reinstall the Product Recovery Program? (Y/N) [ ]". Enter Y. Enter the Y at each of the 26 ThinkPad A20m/p, A21m/p, A22m/p Following message appears: "Your computer originally included a Product Recovery program ... Reinstall the Product Recovery Program? (Y/N) [ ]". A message appears: "Full Recovery:".
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.... Passwords As many as the Recovery Repair diskette and save it for future use . If any of these passwords have been set, a prompt for any ThinkPad computer: the power-on which CD to select an operating system. The computer does not start until the password is booted. Attach the external diskette...
.... Passwords As many as the Recovery Repair diskette and save it for future use . If any of these passwords have been set, a prompt for any ThinkPad computer: the power-on which CD to select an operating system. The computer does not start until the password is booted. Attach the external diskette...
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... system user. The Master + User mode requires two HDPs; the system administrator enters both in the IBM BIOS Setup Utility. If no service procedure to system configuration settings. The SVP must be entered in ... can be used for the HDP: User only and Master + User. Remove the battery pack. 28 ThinkPad A20m/p, A21m/p, A22m/p Turn off the computer. 2. Hard-disk password: There are two modes for ... The password must be made available to the servicer, there is no master HDP is available, IBM does not provide any services to reset either the user or the master HDP, or to the...
... system user. The Master + User mode requires two HDPs; the system administrator enters both in the IBM BIOS Setup Utility. If no service procedure to system configuration settings. The SVP must be entered in ... can be used for the HDP: User only and Master + User. Remove the battery pack. 28 ThinkPad A20m/p, A21m/p, A22m/p Turn off the computer. 2. Hard-disk password: There are two modes for ... The password must be made available to the servicer, there is no master HDP is available, IBM does not provide any services to reset either the user or the master HDP, or to the...
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... resume normal operation, press any operation with the keyboard, the TrackPoint, the hard disk, the parallel connector, or the diskette drive within that time. 30 ThinkPad A20m/p, A21m/p, A22m/p v The CPU stops. If the time set on the "Turn off . Notes v Screen blank mode is called suspend mode in... Windows 95 and Windows NT. Standby mode When the computer enters standby mode, the following events occur in addition to what occurs in IBM BIOS Setup Utility expires, v The LCD backlight turns off monitor" timer in Windows 95 and Windows NT. v The speaker is powered off . v ...
... resume normal operation, press any operation with the keyboard, the TrackPoint, the hard disk, the parallel connector, or the diskette drive within that time. 30 ThinkPad A20m/p, A21m/p, A22m/p v The CPU stops. If the time set on the "Turn off . Notes v Screen blank mode is called suspend mode in... Windows 95 and Windows NT. Standby mode When the computer enters standby mode, the following events occur in addition to what occurs in IBM BIOS Setup Utility expires, v The LCD backlight turns off monitor" timer in Windows 95 and Windows NT. v The speaker is powered off . v ...
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... to resume normal operation, you will have set the mode to restart the system. If you do undock it from the hard-disk drive. 32 ThinkPad A20m/p, A21m/p, A22m/p Pressing the power button. - Also, the computer goes into hibernation mode, perform that time. v If you will get an error message, and...
... to resume normal operation, you will have set the mode to restart the system. If you do undock it from the hard-disk drive. 32 ThinkPad A20m/p, A21m/p, A22m/p Pressing the power button. - Also, the computer goes into hibernation mode, perform that time. v If you will get an error message, and...
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...computer. To test the Ultrabay 2000 device, install it by use of non-IBM products, prototype cards, or modified options can select an item not only with the arrow keys, but also with the ThinkPad computer. General descriptions 33 You can detect errors by repeating the operation. If... pressing Enter, click the left button. 1. then power on model-unique functions, refer to test only IBM products. Insert the PC-Doctor disk into the diskette drive; Testing the computer The ThinkPad computer has a test program called PC-Doctor® DOS (hereafter called PC-Doctor). Note: When you...
...computer. To test the Ultrabay 2000 device, install it by use of non-IBM products, prototype cards, or modified options can select an item not only with the arrow keys, but also with the ThinkPad computer. General descriptions 33 You can detect errors by repeating the operation. If... pressing Enter, click the left button. 1. then power on model-unique functions, refer to test only IBM products. Insert the PC-Doctor disk into the diskette drive; Testing the computer The ThinkPad computer has a test program called PC-Doctor® DOS (hereafter called PC-Doctor). Note: When you...