Hardware Maintenance Manual
Page 1
IBM Mobile Systems ThinkPad Computer Hardware Maintenance Manual April 2002 This manual supports: ThinkPad T20, T21, T22, T23 (MT 2647/2648) ThinkPad Dock (MT 2631)
IBM Mobile Systems ThinkPad Computer Hardware Maintenance Manual April 2002 This manual supports: ThinkPad T20, T21, T22, T23 (MT 2647/2648) ThinkPad Dock (MT 2631)
Hardware Maintenance Manual
Page 3
Use this manual along with the advanced diagnostic tests to troubleshoot problems. The manual is intended for IBM ThinkPad T20, T21, T22, T23 (MT2647, 2648), and ThinkPad Dock (MT2631) products. Use this manual along with the advanced diagnostic tests to review the safety information under "Safety notices: multilingual translations" on page 3, "Safety ...
Use this manual along with the advanced diagnostic tests to troubleshoot problems. The manual is intended for IBM ThinkPad T20, T21, T22, T23 (MT2647, 2648), and ThinkPad Dock (MT2631) products. Use this manual along with the advanced diagnostic tests to review the safety information under "Safety notices: multilingual translations" on page 3, "Safety ...
Hardware Maintenance Manual
Page 5
... Passwords 26 Power management 28 Checkout guide 32 Testing the computer 33 Detecting system information with PC-Doctor. . . 34 Power system checkout 35 ThinkPad T20, T21, T22 and T23 series. . . . . 39 Product overview 41 Specifications 43 Status indicators 45 FRU Tests 47 Fn key combinations 48 Symptom-to-FRU index 49 Numeric... replacement notices 56 Screw notices 56 Retaining serial numbers 57 Removing and replacing a FRU 59 1010 Battery pack 60 1020 Backup battery 61 © Copyright IBM Corp. 2002 v
... Passwords 26 Power management 28 Checkout guide 32 Testing the computer 33 Detecting system information with PC-Doctor. . . 34 Power system checkout 35 ThinkPad T20, T21, T22 and T23 series. . . . . 39 Product overview 41 Specifications 43 Status indicators 45 FRU Tests 47 Fn key combinations 48 Symptom-to-FRU index 49 Numeric... replacement notices 56 Screw notices 56 Retaining serial numbers 57 Removing and replacing a FRU 59 1010 Battery pack 60 1020 Backup battery 61 © Copyright IBM Corp. 2002 v
Hardware Maintenance Manual
Page 6
... PCI cover 133 3020 ThinkPad Dock top cover 136 Locations 140 Front view 140 Rear view 141 Bottom view 142 Parts list 143 T20, T21, T22 and T23 series model matrix 146 Overall 147 AC adapters 156 LCD FRUs 157 Keyboard 160 Recovery CDs 161 Miscellaneous parts 170 ...Optional FRUs 171 Common parts list 172 Notices 174 Trademarks 174 vi ThinkPad T20, T21, T22, T23 (MT 2647/2648)
... PCI cover 133 3020 ThinkPad Dock top cover 136 Locations 140 Front view 140 Rear view 141 Bottom view 142 Parts list 143 T20, T21, T22 and T23 series model matrix 146 Overall 147 AC adapters 156 LCD FRUs 157 Keyboard 160 Recovery CDs 161 Miscellaneous parts 170 ...Optional FRUs 171 Common parts list 172 Notices 174 Trademarks 174 vi ThinkPad T20, T21, T22, T23 (MT 2647/2648)
Hardware Maintenance Manual
Page 8
... 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 T20, T21, T22, T23 (MT 2647/2648) How to use error messages Use the error codes displayed on the screen to -FRU Index for the computer you are...
... 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 T20, T21, T22, T23 (MT 2647/2648) How to use error messages Use the error codes displayed on the screen to -FRU Index for the computer you are...
Hardware Maintenance Manual
Page 20
... the power, if necessary. - Do not use this type of mat to lock the wall box in your pocket or behind your body. 14 ThinkPad T20, T21, T22, T23 (MT 2647/2648) v Disconnect all safety shields, guards, labels, and ground wires. Ensure that has hazardous voltages. Important Use only approved tools and...
... the power, if necessary. - Do not use this type of mat to lock the wall box in your pocket or behind your body. 14 ThinkPad T20, T21, T22, T23 (MT 2647/2648) v Disconnect all safety shields, guards, labels, and ground wires. Ensure that has hazardous voltages. Important Use only approved tools and...
Hardware Maintenance Manual
Page 22
...for any obvious unsafe conditions, such as loose or missing hardware To determine whether there are any obvious non-IBM alterations. Check exterior covers for : a. c. Handling devices that the power-supply cover fasteners (screws or... a bulging capacitor v Mechanical hazards, such as metal filings, contamination, water or other liquids, or signs of any non-IBM alterations. 6. Remove the cover. 5. Begin the checks with . Disconnect the power cord. 3. Check inside the unit for...for worn, frayed, or pinched cables. 8. Protect against ESD 16 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
...for any obvious unsafe conditions, such as loose or missing hardware To determine whether there are any obvious non-IBM alterations. Check exterior covers for : a. c. Handling devices that the power-supply cover fasteners (screws or... a bulging capacitor v Mechanical hazards, such as metal filings, contamination, water or other liquids, or signs of any non-IBM alterations. 6. Remove the cover. 5. Begin the checks with . Disconnect the power cord. 3. Check inside the unit for...for worn, frayed, or pinched cables. 8. Protect against ESD 16 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
Hardware Maintenance Manual
Page 24
to conform to the requirements of Federal Regulations (DHHS 21 CFR) Subchapter J for Class 1 laser products. 18 ThinkPad T20, T21, T22, T23 (MT 2647/2648) The drive is certified to conform to the requirements of the Department of Health and Human Services 21 Code of the International ... is certified in the U.S. They are equipped from the factory with an optical storage device such as options. Laser compliance statement Laser compliance statement Some IBM Personal Computer models are also sold separately as a CD-ROM drive or...
to conform to the requirements of Federal Regulations (DHHS 21 CFR) Subchapter J for Class 1 laser products. 18 ThinkPad T20, T21, T22, T23 (MT 2647/2648) The drive is certified to conform to the requirements of the Department of Health and Human Services 21 Code of the International ... is certified in the U.S. They are equipped from the factory with an optical storage device such as options. Laser compliance statement Laser compliance statement Some IBM Personal Computer models are also sold separately as a CD-ROM drive or...
Hardware Maintenance Manual
Page 27
... the model of a single, unreproducible failure. Date of servicer __ 2. Date on which the machine failed © Copyright IBM Corp. 2002 21 v Read the entire FRU removal and replacement page before replacing any ThinkPad model that a FRU is defective, clear the error log and run the test again. Consider replacing a FRU only...
... the model of a single, unreproducible failure. Date of servicer __ 2. Date on which the machine failed © Copyright IBM Corp. 2002 21 v Read the entire FRU removal and replacement page before replacing any ThinkPad model that a FRU is defective, clear the error log and run the test again. Consider replacing a FRU only...
Hardware Maintenance Manual
Page 28
... the installation of an incompatible card v Damage caused by foreign material in which the failing FRU was subjected to excessive force, or dropped. 22 ThinkPad T20, T21, T22, T23 (MT 2647/2648) v If the spindle of unauthorized service or modification. Procedure index and page number in the diskette drive v Diskette drive damage...
... the installation of an incompatible card v Damage caused by foreign material in which the failing FRU was subjected to excessive force, or dropped. 22 ThinkPad T20, T21, T22, T23 (MT 2647/2648) v If the spindle of unauthorized service or modification. Procedure index and page number in the diskette drive v Diskette drive damage...
Hardware Maintenance Manual
Page 30
...running, the computer will restart with the pre-installed operating system, drivers, and software. 24 ThinkPad T20, T21, T22, T23 (MT 2647/2648) At the prompt, press F11. (The option to 2 hours. You... few seconds. From the list displayed on the screen, select the operating system you are using Windows XP, three messages (F1, F11, and F12) appear on the screen for it, and press F11.... Select the recovery options you can use a Recovery Repair diskette to get access to invoke the IBM Product Recovery program". Press Enter. 4. Select Create a Recovery Repair diskette. Follow the on the ...
...running, the computer will restart with the pre-installed operating system, drivers, and software. 24 ThinkPad T20, T21, T22, T23 (MT 2647/2648) At the prompt, press F11. (The option to 2 hours. You... few seconds. From the list displayed on the screen, select the operating system you are using Windows XP, three messages (F1, F11, and F12) appear on the screen for it, and press F11.... Select the recovery options you can use a Recovery Repair diskette to get access to invoke the IBM Product Recovery program". Press Enter. 4. Select Create a Recovery Repair diskette. Follow the on the ...
Hardware Maintenance Manual
Page 32
... two HDPs; The system administrator then provides the user HDP to complete the recovery. Follow the prompts to the system user. 26 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Power-on password: A power-on password (POP) protects the system from being powered on -screen instructions. If... any ThinkPad computer: the power-on . A message is turned on password (POP), the hard-disk password (HDP), and the supervisor password (SVP). ...
... two HDPs; The system administrator then provides the user HDP to complete the recovery. Follow the prompts to the system user. 26 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Power-on password: A power-on password (POP) protects the system from being powered on -screen instructions. If... any ThinkPad computer: the power-on . A message is turned on password (POP), the hard-disk password (HDP), and the supervisor password (SVP). ...
Hardware Maintenance Manual
Page 34
... User only mode is called standby mode in Windows 95 and Windows NT. The hard-disk drive can be made available to the servicer, IBM does not provide any services to reset the user HDPs or to move down the menu. 4. Select Password, using the ACPI operating system ... Setup Utility menu appears. 3. Related service information 8. Notes v Screen blank mode is called suspend mode in IBM BIOS Setup Utility expires, v The LCD backlight turns off . 28 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Enter the master HDP; A pop-up window opens. 5. then, in the Setup Configuration window. v The ...
... User only mode is called standby mode in Windows 95 and Windows NT. The hard-disk drive can be made available to the servicer, IBM does not provide any services to reset the user HDPs or to move down the menu. 4. Select Password, using the ACPI operating system ... Setup Utility menu appears. 3. Related service information 8. Notes v Screen blank mode is called suspend mode in IBM BIOS Setup Utility expires, v The LCD backlight turns off . 28 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Enter the master HDP; A pop-up window opens. 5. then, in the Setup Configuration window. v The ...
Hardware Maintenance Manual
Page 36
... If you cannot create a hibernation file. In hibernation mode, the following events: v The ring indicator (RI) is powered off the power switch. 30 ThinkPad T20, T21, T22, T23 (MT 2647/2648) v If you cannot create a hibernation file. Hibernation mode Note for OS/2 If you are using OS/2 in the default format, HPFS...
... If you cannot create a hibernation file. In hibernation mode, the following events: v The ring indicator (RI) is powered off the power switch. 30 ThinkPad T20, T21, T22, T23 (MT 2647/2648) v If you cannot create a hibernation file. Hibernation mode Note for OS/2 If you are using OS/2 in the default format, HPFS...
Hardware Maintenance Manual
Page 38
... the left button. 1. For some devices are intended to "Power system checkout" on page 35, and check the power sources. 32 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Note: When you initialize the computer configuration, some possible configurations of the computer. then power on model-unique functions...; DOS (hereafter called PC-Doctor.) You can detect errors by use of errors and invalid system responses. 1. To run correctly. On the IBM BIOS Setup Utility screen, press F9, Enter, F10, and then Enter. To test the Ultrabay 2000 device, install it by repeating the operation...
... the left button. 1. For some devices are intended to "Power system checkout" on page 35, and check the power sources. 32 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Note: When you initialize the computer configuration, some possible configurations of the computer. then power on model-unique functions...; DOS (hereafter called PC-Doctor.) You can detect errors by use of errors and invalid system responses. 1. To run correctly. On the IBM BIOS Setup Utility screen, press F9, Enter, F10, and then Enter. To test the Ultrabay 2000 device, install it by repeating the operation...
Hardware Maintenance Manual
Page 39
...form depends on the model.) The options on page 49. Follow the instructions on ThinkPad. Quick v Keyboard v Video v Internal Speaker v Mouse v Joystick Test v Diskette v System Load v CD-ROM/DVD Test v Stereo Speaker v 802.11 Wireless Radio Test(*) Notes: v In the Keyboard test in Diagnostics. To test it ...the Stereo Speaker in the IBM BIOS Setup Utility, Diskette Drives test is activated even if no legacy diskette drive is only for at least 2 seconds; A pull-down for some models. v Wireless LAN test and 802.11 Wireless Radio Test is attached to the ThinkPad. otherwise, it , ...
...form depends on the model.) The options on page 49. Follow the instructions on ThinkPad. Quick v Keyboard v Video v Internal Speaker v Mouse v Joystick Test v Diskette v System Load v CD-ROM/DVD Test v Stereo Speaker v 802.11 Wireless Radio Test(*) Notes: v In the Keyboard test in Diagnostics. To test it ...the Stereo Speaker in the IBM BIOS Setup Utility, Diskette Drives test is activated even if no legacy diskette drive is only for at least 2 seconds; A pull-down for some models. v Wireless LAN test and 802.11 Wireless Radio Test is attached to the ThinkPad. otherwise, it , ...
Hardware Maintenance Manual
Page 40
...Run Quick Test CPU/Coprocessor Systemboard Video Adapter Serial Ports Parallel Ports Fixed Disks Diskette Drives Other Devices ZIP Drive LS-120/240 Drive Communication Wireless LAN Memory Test - Follow the instructions on the screen. Run the applicable function test. 5. To exit the test, select Quit - Full...Tech Support Form v Battery Rundown v View Test Log v Print Log v Save Log v Full Erase Hard Drive v Quick Erase Hard Drive 34 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Use the cursor keys and ESC to select. 4. To cancel the test, press Esc. Note: After executing PC-Doctor, check...
...Run Quick Test CPU/Coprocessor Systemboard Video Adapter Serial Ports Parallel Ports Fixed Disks Diskette Drives Other Devices ZIP Drive LS-120/240 Drive Communication Wireless LAN Memory Test - Follow the instructions on the screen. Run the applicable function test. 5. To exit the test, select Quit - Full...Tech Support Form v Battery Rundown v View Test Log v Print Log v Save Log v Full Erase Hard Drive v Quick Erase Hard Drive 34 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Use the cursor keys and ESC to select. 4. To cancel the test, press Esc. Note: After executing PC-Doctor, check...
Hardware Maintenance Manual
Page 42
... the battery charges properly during operation, use a discharged battery pack or a battery pack that less than +11.0 V dc, the battery pack has been discharged. 36 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Perform operational charging.
... the battery charges properly during operation, use a discharged battery pack or a battery pack that less than +11.0 V dc, the battery pack has been discharged. 36 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Perform operational charging.