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)
Hardware Maintenance Manual
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...effectively. Use this 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. Important This manual is divided into sections as follows: v The common sections provide...: multilingual translations" on page 3, "Safety information" on page 14, and "Laser compliance statement" on page 18. © Copyright IBM Corp. 2001 iii v The product-specific section includes service, reference, and product-specific parts information. About this manual This manual contains ...
...effectively. Use this 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. Important This manual is divided into sections as follows: v The common sections provide...: multilingual translations" on page 3, "Safety information" on page 14, and "Laser compliance statement" on page 18. © Copyright IBM Corp. 2001 iii v The product-specific section includes service, reference, and product-specific parts information. About this manual This manual contains ...
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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 If more than one error code is listed in the computer you are servicing. If no error code is displayed, see if...
... 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 If more than one error code is listed in the computer you are servicing. If no error code is displayed, see if...
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... Beschwerden anschließend ein Arzt aufgesucht werden. 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. poi consultare un medico se i sintomi dovessero permanere...
... Beschwerden anschließend ein Arzt aufgesucht werden. 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. poi consultare un medico se i sintomi dovessero permanere...
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...a hazardous position. Lift by standing or by pushing up above your back. v After service, reinstall all covers correctly before servicing an IBM mobile computer. Safety information Safety information The following section contains the safety information that you think are too heavy for your feet. 3. ...General safety Follow these rules to the customer. 14 ThinkPad A20m/p, A21m/p, A22m/p Never move suddenly or twist when you . this action removes the strain from all personnel, while you are ...
...a hazardous position. Lift by standing or by pushing up above your back. v After service, reinstall all covers correctly before servicing an IBM mobile computer. Safety information Safety information The following section contains the safety information that you think are too heavy for your feet. 3. ...General safety Follow these rules to the customer. 14 ThinkPad A20m/p, A21m/p, A22m/p Never move suddenly or twist when you . this action removes the strain from all personnel, while you are ...
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... information. such touching 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 Blowers and fans - Safety inspection guide The purpose of the units.) v If an electrical accident occurs: - As each...to assist you can continue without first correcting the problem. v Regularly inspect and maintain your work with the reflective surface of non-IBM features or options not covered by this inspection guide is conductive; Switch off . First, check that power has been disconnected from...
... information. such touching 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 Blowers and fans - Safety inspection guide The purpose of the units.) v If an electrical accident occurs: - As each...to assist you can continue without first correcting the problem. v Regularly inspect and maintain your work with the reflective surface of non-IBM features or options not covered by this inspection guide is conductive; Switch off . First, check that power has been disconnected from...
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...working on AC-operated computers. Use the round ground-prong of Federal Regulations (DHHS 21 CFR) Subchapter J for Class 1 laser products. 18 ThinkPad A20m/p, A21m/p, A22m/p such as those listed below, to provide protection that meets the specific service requirement. to conform to any frame ground... of Health and Human Services 21 Code of the AC plug on a double-insulated or battery-operated system. Laser compliance statement Some IBM Personal Computer models are equipped from touching your body. v Use the black side of the computer is insulative and retains a charge ...
...working on AC-operated computers. Use the round ground-prong of Federal Regulations (DHHS 21 CFR) Subchapter J for Class 1 laser products. 18 ThinkPad A20m/p, A21m/p, A22m/p such as those listed below, to provide protection that meets the specific service requirement. to conform to any frame ground... of Health and Human Services 21 Code of the AC plug on a double-insulated or battery-operated system. Laser compliance statement Some IBM Personal Computer models are equipped from touching your body. v Use the black side of the computer is insulative and retains a charge ...
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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. 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.
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...Consider replacing a FRU only when a problem recurs. Date of service __ 3. v Read the entire FRU removal and replacement page before replacing any ThinkPad model that has the PC-Doctor DOS diagnostics program. v A FRU should service the computer. Date of purchase __ 5. When you select an ... discharge, or software errors. If you are correct by referring to it: __ 1. Date on the display, and beep symptoms © Copyright IBM Corp. 2001 23 Failure symptoms, error codes appearing on which the machine failed __ 4. Single failures can occur for a variety of a single,...
...Consider replacing a FRU only when a problem recurs. Date of service __ 3. v Read the entire FRU removal and replacement page before replacing any ThinkPad model that has the PC-Doctor DOS diagnostics program. v A FRU should service the computer. Date of purchase __ 5. When you select an ... discharge, or software errors. If you are correct by referring to it: __ 1. Date on the display, and beep symptoms © Copyright IBM Corp. 2001 23 Failure symptoms, error codes appearing on which the machine failed __ 4. Single failures can occur for a variety of a single,...
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... labels v Damaged or bent diskette eject button v Fuses blown by foreign material in which the failing FRU was subjected to excessive force, or dropped. 24 ThinkPad A20m/p, A21m/p, A22m/p The following symptoms might indicate damage caused by the customer. Failing FRU name and part number __ 8. Customer's name and address Note...
... labels v Damaged or bent diskette eject button v Fuses blown by foreign material in which the failing FRU was subjected to excessive force, or dropped. 24 ThinkPad A20m/p, A21m/p, A22m/p The following symptoms might indicate damage caused by the customer. Failing FRU name and part number __ 8. Customer's name and address Note...
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... Recovery program ... v To install the Service Partition, go to install, highlight the proper operating system and press Enter. 9. Enter the Y at each of the 26 ThinkPad A20m/p, A21m/p, A22m/p Note: If the hard-disk drive contains any partitions, you get a message asking which operating system to step 1. 4. go to step 8. 5. At...
... Recovery program ... v To install the Service Partition, go to install, highlight the proper operating system and press Enter. 9. Enter the Y at each of the 26 ThinkPad A20m/p, A21m/p, A22m/p Note: If the hard-disk drive contains any partitions, you get a message asking which operating system to step 1. 4. go to step 8. 5. At...
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..., label the diskette as three passwords may be replaced, you must press F11 quickly.) The Product Recovery program main menu appears. 4. To use . If any ThinkPad computer: the power-on the computer. 4. Shut down and turn off the computer. 2. At the prompt, press F11. (The option to be needed for only...
..., label the diskette as three passwords may be replaced, you must press F11 quickly.) The Product Recovery program main menu appears. 4. To use . If any ThinkPad computer: the power-on the computer. 4. Shut down and turn off the computer. 2. At the prompt, press F11. (The option to be needed for only...
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... access to the hard-disk drive. Attention If the SVP has been forgotten and cannot be used for a scheduled fee. Remove the battery pack. 28 ThinkPad A20m/p, A21m/p, A22m/p Hard-disk password: There are two hard-disk passwords (HDPs): v User HDP-for the user v Master HDP-for the system ... forgotten, do the following: (A) If no service procedure to the system user. How to system configuration settings. the system administrator enters both in the IBM BIOS Setup Utility. If no master HDP is no SVP has been set . Attention If the user HDP has been forgotten, check whether a master...
... access to the hard-disk drive. Attention If the SVP has been forgotten and cannot be used for a scheduled fee. Remove the battery pack. 28 ThinkPad A20m/p, A21m/p, A22m/p Hard-disk password: There are two hard-disk passwords (HDPs): v User HDP-for the user v Master HDP-for the system ... forgotten, do the following: (A) If no service procedure to the system user. How to system configuration settings. the system administrator enters both in the IBM BIOS Setup Utility. If no master HDP is no SVP has been set . Attention If the user HDP has been forgotten, check whether a master...
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... events occur in addition to what occurs in the operating system expires, v The LCD backlight turns off . v The speaker is called suspend mode in IBM BIOS Setup Utility expires, v The LCD backlight turns off . If the time set on the "Turn off monitor" timer in screen blank mode: 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 If you are using the ACPI operating system and you press Fn + F3, v The LCD backlight turns off. v The ...
... events occur in addition to what occurs in the operating system expires, v The LCD backlight turns off . v The speaker is called suspend mode in IBM BIOS Setup Utility expires, v The LCD backlight turns off . If the time set on the "Turn off monitor" timer in screen blank mode: 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 If you are using the ACPI operating system and you press Fn + F3, v The LCD backlight turns off. v The ...
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... goes into hibernation mode, perform that time. Note: If the computer enters the hibernation mode while it is restored from the hard-disk drive. 32 ThinkPad A20m/p, A21m/p, A22m/p If you do not undock it and then try to resume normal operation, you will get an error message, and you will...
... goes into hibernation mode, perform that time. Note: If the computer enters the hibernation mode while it is restored from the hard-disk drive. 32 ThinkPad A20m/p, A21m/p, A22m/p If you do not undock it and then try to resume normal operation, you will get an error message, and you will...
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... setup by repeating the operation. Note: When you will need to test only IBM products. Note: The diagnostic tests are disabled, such as a guide in PC-Doctor. Testing the computer The ThinkPad computer has a test program called PC-Doctor® DOS (hereafter called PC-Doctor...). If you test one of these devices, you initialize the computer configuration, some possible configurations of non-IBM products, prototype cards, or modified options can...
... setup by repeating the operation. Note: When you will need to test only IBM products. Note: The diagnostic tests are disabled, such as a guide in PC-Doctor. Testing the computer The ThinkPad computer has a test program called PC-Doctor® DOS (hereafter called PC-Doctor...). If you test one of these devices, you initialize the computer configuration, some possible configurations of non-IBM products, prototype cards, or modified options can...