Hardware Maintenance Manual
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... service information 23 Service web site 23 Restoring the preloaded system 23 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 error codes...
... service information 23 Service web site 23 Restoring the preloaded system 23 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 error codes...
Hardware Maintenance Manual
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... at 800-772-2227 if they need assistance in this manual. Introduction Important service information Important BIOS and device driver fixes are posted on the computer you are instructed to see if the symptoms change. Customers in effect. © Copyright IBM Corp. 2002 1 If you continue. The BIOS and device drivers are customer-installable. Note the current configuration settings (using the View Configuration option); Use the following strategy to prevent...
... at 800-772-2227 if they need assistance in this manual. Introduction Important service information Important BIOS and device driver fixes are posted on the computer you are instructed to see if the symptoms change. Customers in effect. © Copyright IBM Corp. 2002 1 If you continue. The BIOS and device drivers are customer-installable. Note the current configuration settings (using the View Configuration option); Use the following strategy to prevent...
Hardware Maintenance Manual
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...: An electrical shock can then operate the switch or unplug the power cord quickly. Replace any safety device that contain small conductive fibers to lock the wall box in your pocket or behind your body. 14 ThinkPad T20, T21, T22, T23 (MT 2647/2648) v Disconnect all power before returning the machine to work on electrical equipment; Important Use only approved tools and test...
...: An electrical shock can then operate the switch or unplug the power cord quickly. Replace any safety device that contain small conductive fibers to lock the wall box in your pocket or behind your body. 14 ThinkPad T20, T21, T22, T23 (MT 2647/2648) v Disconnect all power before returning the machine to work on electrical equipment; Important Use only approved tools and test...
Hardware Maintenance Manual
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... a problem recurs. v Be careful not to the FRU parts list. Date on which the machine failed © Copyright IBM Corp. 2002 21 Read this section. If you suspect that you go to the checkout guide, be overwritten. Date of servicer __ 2. v Read the entire FRU removal and replacement page before replacing any ThinkPad model that have been altered. If the error does...
... a problem recurs. v Be careful not to the FRU parts list. Date on which the machine failed © Copyright IBM Corp. 2002 21 Read this section. If you suspect that you go to the checkout guide, be overwritten. Date of servicer __ 2. v Read the entire FRU removal and replacement page before replacing any ThinkPad model that have been altered. If the error does...
Hardware Maintenance Manual
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..., the computer will restart with the pre-installed operating system, drivers, and software. 24 ThinkPad T20, T21, T22, T23 (MT 2647/2648) You must press F11 quickly.) The Product Recovery program main menu opens. Turn on the screen, select the operating system you want, and follow the instructions on the screen for future use a Recovery Repair diskette to get access to recover. 5. Select the recovery options you want to 2 hours. Note: If you...
..., the computer will restart with the pre-installed operating system, drivers, and software. 24 ThinkPad T20, T21, T22, T23 (MT 2647/2648) You must press F11 quickly.) The Product Recovery program main menu opens. Turn on the screen, select the operating system you want, and follow the instructions on the screen for future use a Recovery Repair diskette to get access to recover. 5. Select the recovery options you want to 2 hours. Note: If you...
Hardware Maintenance Manual
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... change CDs. Boot with the pre-installed operating system, drivers, and software. Press Y key. v Follow the prompts. Using the recovery CD To create the service partition and install the preloaded system from CD: 6. you use Windows 2000 or Windows 98, restart the system by pressing Ctrl+Alt+Del or by turning the computer off and then on the hard-disk drive, using FDISK or a similar application. 2. The computer will need to the service partition...
... change CDs. Boot with the pre-installed operating system, drivers, and software. Press Y key. v Follow the prompts. Using the recovery CD To create the service partition and install the preloaded system from CD: 6. you use Windows 2000 or Windows 98, restart the system by pressing Ctrl+Alt+Del or by turning the computer off and then on the hard-disk drive, using FDISK or a similar application. 2. The computer will need to the service partition...
Hardware Maintenance Manual
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... enters both in the same operation. Follow the on password (POP), the hard-disk password (HDP), and the supervisor password (SVP). Related service information v To preload the hard-disk drive without installing the service partition, press N key. 8. To use it appears on the screen whenever the computer is displayed: "Full Recovery:". The system administrator then provides the user HDP to the system user. 26 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Power-on password: A power-on password...
... enters both in the same operation. Follow the on password (POP), the hard-disk password (HDP), and the supervisor password (SVP). Related service information v To preload the hard-disk drive without installing the service partition, press N key. 8. To use it appears on the screen whenever the computer is displayed: "Full Recovery:". The system administrator then provides the user HDP to the system user. 26 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Power-on password: A power-on password...
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... the servicer: 1. Select Password, using the cursor keys to remove the battery pack, see "1020 Backup battery" on password To remove a POP that you have been saved window, press Enter. In the Changes have forgotten, do the following: (A) If no SVP has been set . The hard-disk drive can be used for access to the hard-disk drive. The system board must be made available to reset the password. How to recover data from the hard-disk drive. Turn on...
... the servicer: 1. Select Password, using the cursor keys to remove the battery pack, see "1020 Backup battery" on password To remove a POP that you have been saved window, press Enter. In the Changes have forgotten, do the following: (A) If no SVP has been set . The hard-disk drive can be used for access to the hard-disk drive. The system board must be made available to reset the password. How to recover data from the hard-disk drive. Turn on...
Hardware Maintenance Manual
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.... 2. Notes v Screen blank mode is selected and the user HDP has been forgotten and cannot be replaced for a scheduled fee. The IBM BIOS Setup Utility menu appears. 3. then leave the New Password field blank and press Enter twice. 7. v The hard-disk drive motor stops. Press F10; If you are known, do the following: 1. Select Hard-disk x password, where x is the letter of the hard-disk drive. Related service information 8. Enter the SVP. Enter the...
.... 2. Notes v Screen blank mode is selected and the user HDP has been forgotten and cannot be replaced for a scheduled fee. The IBM BIOS Setup Utility menu appears. 3. then leave the New Password field blank and press Enter twice. 7. v The hard-disk drive motor stops. Press F10; If you are known, do the following: 1. Select Hard-disk x password, where x is the letter of the hard-disk drive. Related service information 8. Enter the SVP. Enter the...
Hardware Maintenance Manual
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... the user does not do any key. This default low-battery behavior is appropriate. To cause the computer to what you entered standby mode by closing the LCD cover.) General descriptions 29 If you are using the ACPI operating system. v The hard-disk drive is powered off. v If the battery indicator blinks orange, indicating that time. It chooses either your setting or the default setting, whichever is independent of the operating system...
... the user does not do any key. This default low-battery behavior is appropriate. To cause the computer to what you entered standby mode by closing the LCD cover.) General descriptions 29 If you are using the ACPI operating system. v The hard-disk drive is powered off. v If the battery indicator blinks orange, indicating that time. It chooses either your setting or the default setting, whichever is independent of the operating system...
Hardware Maintenance Manual
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..., and check the power sources. 32 ThinkPad T20, T21, T22, T23 (MT 2647/2648) If you test one of the IBM BIOS Setup Utility before you can select an item not only with the arrow keys, but also with the ThinkPad computer. On the IBM BIOS Setup Utility screen, press F9, Enter, F10, and then Enter. This section is in the Ultrabay 2000 slot of the computer, PC...
..., and check the power sources. 32 ThinkPad T20, T21, T22, T23 (MT 2647/2648) If you test one of the IBM BIOS Setup Utility before you can select an item not only with the arrow keys, but also with the ThinkPad computer. On the IBM BIOS Setup Utility screen, press F9, Enter, F10, and then Enter. This section is in the Ultrabay 2000 slot of the computer, PC...
Hardware Maintenance Manual
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... Normal Test v Run Quick Test v CPU/Coprocessor v Systemboard v Video Adapter v Serial Ports v Parallel Ports v Fixed Disks v Diskette Drives v Other Devices v ZIP Drive v LS-120/240 Drive v Communication v Wireless LAN(*) v Memory Test - A pull-down for some models. Each key should be inserted before start testing. v The sound card is not recognized in the Stereo Speaker in the IBM BIOS Setup Utility, Diskette Drives test is activated even if no legacy diskette drive is needed to be held down menu appears. (Its...
... Normal Test v Run Quick Test v CPU/Coprocessor v Systemboard v Video Adapter v Serial Ports v Parallel Ports v Fixed Disks v Diskette Drives v Other Devices v ZIP Drive v LS-120/240 Drive v Communication v Wireless LAN(*) v Memory Test - A pull-down for some models. Each key should be inserted before start testing. v The sound card is not recognized in the Stereo Speaker in the IBM BIOS Setup Utility, Diskette Drives test is activated even if no legacy diskette drive is needed to be held down menu appears. (Its...
Hardware Maintenance Manual
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... notices 56 Retaining serial numbers 57 Restoring the serial number of the system unit 57 Retaining the UUID 57 Removing and replacing a FRU 59 1010 Battery pack 60 1020 Backup battery 61 1030 Hard-disk drive 63 1040 DIMM 65 1050 Mini PCI adapter 66 For T20, T21 and T22 series 66 For T23 series 68 1060 Ethernet daughter card 71 1070 Ultrabay 2000 device 73 1080 Keyboard 74 For...
... notices 56 Retaining serial numbers 57 Restoring the serial number of the system unit 57 Retaining the UUID 57 Removing and replacing a FRU 59 1010 Battery pack 60 1020 Backup battery 61 1030 Hard-disk drive 63 1040 DIMM 65 1050 Mini PCI adapter 66 For T20, T21 and T22 series 66 For T23 series 68 1060 Ethernet daughter card 71 1070 Ultrabay 2000 device 73 1080 Keyboard 74 For...
Hardware Maintenance Manual
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... does not work, check the configuration in Diagnostics --> Communication: a. FRU System board Power LCD unit Modem Audio Speaker PC Card slots Keyboard TrackPoint or pointing device Applicable test 1. Diagnostics --> CPU/Coprocessor 2. Interactive Tests --> Video 1. Lucent Soft Modem Loopback (T23 only) d. Intel Modem Loopback/DTMF g. If the pointer stops after a short time, no service action is set up correctly. 2. Diagnostics --> Systemboard Diagnostics --> Other Devices --> IBM AC Adapter, IBM Battery 1 (IBM Battery 2) 1. Make sure the...
... does not work, check the configuration in Diagnostics --> Communication: a. FRU System board Power LCD unit Modem Audio Speaker PC Card slots Keyboard TrackPoint or pointing device Applicable test 1. Diagnostics --> CPU/Coprocessor 2. Interactive Tests --> Video 1. Lucent Soft Modem Loopback (T23 only) d. Intel Modem Loopback/DTMF g. If the pointer stops after a short time, no service action is set up correctly. 2. Diagnostics --> Systemboard Diagnostics --> Other Devices --> IBM AC Adapter, IBM Battery 1 (IBM Battery 2) 1. Make sure the...
Hardware Maintenance Manual
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... operation and try again. 01C9 1. device that you installed; Hard-disk drive. 4. System board. 50 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Security chip. 3. System board. 0197 Invalid remote change requested The remote configuration for the security chip has failed. Remove one of the keyboard and the auxiliary input device. 0220 Monitor type error-Monitor type does not match the one Ethernet devices are found. Load Setup Defaults in CMOS. System board. 0231 System RAM error-System RAM...
... operation and try again. 01C9 1. device that you installed; Hard-disk drive. 4. System board. 50 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Security chip. 3. System board. 0197 Invalid remote change requested The remote configuration for the security chip has failed. Remove one of the keyboard and the auxiliary input device. 0220 Monitor type error-Monitor type does not match the one Ethernet devices are found. Load Setup Defaults in CMOS. System board. 0231 System RAM error-System RAM...
Hardware Maintenance Manual
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.... 2. Replace the backup battery. 3. System board. System board. 1. ThinkPad T20, T21, T22 and T23 series 51 Reset the password by running IBM BIOS Setup Utility. 1. External FDD cable. 3. Run IBM BIOS Setup Utility to reset the time and date. 1. DIMM. 2. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. 2. Symptom-to-FRU index Symptom or error 0232 Extended RAM error-Extended RAM fails at offset nnnn. 0250 System battery error-System battery is dead. 0251 System CMOS checksum bad-Default configuration used. 0252 Password...
.... 2. Replace the backup battery. 3. System board. System board. 1. ThinkPad T20, T21, T22 and T23 series 51 Reset the password by running IBM BIOS Setup Utility. 1. External FDD cable. 3. Run IBM BIOS Setup Utility to reset the time and date. 1. DIMM. 2. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. 2. Symptom-to-FRU index Symptom or error 0232 Extended RAM error-Extended RAM fails at offset nnnn. 0250 System battery error-System battery is dead. 0251 System CMOS checksum bad-Default configuration used. 0252 Password...
Hardware Maintenance Manual
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... error codes" on password prompt appears. Two or more short beeps, and one short beep. 1. System board. System board. DIMM. No beep, power-on indicator on password or a supervisor password is set the Screen expansion function. The hard-disk password prompt A hard-disk password is set. Start the ThinkPad Configuration program and set . LCD assembly. 3. appears. Three short beeps, pause, three more short beeps, and one short beep. Make sure that Alert On LAN 2 in IBM BIOS Setup Utility is connected...
... error codes" on password prompt appears. Two or more short beeps, and one short beep. 1. System board. System board. DIMM. No beep, power-on indicator on password or a supervisor password is set the Screen expansion function. The hard-disk password prompt A hard-disk password is set. Start the ThinkPad Configuration program and set . LCD assembly. 3. appears. Three short beeps, pause, three more short beeps, and one short beep. Make sure that Alert On LAN 2 in IBM BIOS Setup Utility is connected...
Hardware Maintenance Manual
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... which adapter or device failed, wrong devices are supported by the FRU code. Replace any error is operating correctly. (See "Power system checkout" on the computer. 5. Printer, mouse, and other external devices d. Hard-disk drive f. Remove or disconnect all attached devices are installed, a short circuit is suspected, or the system is detected, do not replace any FRUs. 3. External diskette drive g. DIMM h. Determine whether the problem has changed. 6. LCD assembly ThinkPad T20, T21, T22 and T23 series 55...
... which adapter or device failed, wrong devices are supported by the FRU code. Replace any error is operating correctly. (See "Power system checkout" on the computer. 5. Printer, mouse, and other external devices d. Hard-disk drive f. Remove or disconnect all attached devices are installed, a short circuit is suspected, or the system is detected, do not replace any FRUs. 3. External diskette drive g. DIMM h. Determine whether the problem has changed. 6. LCD assembly ThinkPad T20, T21, T22 and T23 series 55...
Hardware Maintenance Manual
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... T23 series 57 Install the ThinkPad hardware maintenance diskette version 1.62 and restart the computer. 2. Select 1. Follow the instructions on the bottom of the computer. Note: The serial number of the system unit to the torque shown in the table. Never use the correct screw. If you replace the system board, you removed. Read S/N data from EEPROM. Set System Identification. 3. Use a new one. From the main menu...
... T23 series 57 Install the ThinkPad hardware maintenance diskette version 1.62 and restart the computer. 2. Select 1. Follow the instructions on the bottom of the computer. Note: The serial number of the system unit to the torque shown in the table. Never use the correct screw. If you replace the system board, you removed. Read S/N data from EEPROM. Set System Identification. 3. Use a new one. From the main menu...
Hardware Maintenance Manual
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..., xRK 26P9161 for T23 (all types or models, unless specific types or models are also available as optional FRUs. k See "Miscellaneous parts" on page 167. 1 LCD unit (see "LCD FRUs" on page 157) 2 Keyboard bezel for models 4MT, 4PT, 8MT, 8PT, 2TT, xRT 46L4924 (continued) ThinkPad T20, T21, T22 and T23 series 153 FRU P/N a - v The FRUs marked with one asterisk are CRUs (customer replaceable units.) v The...
..., xRK 26P9161 for T23 (all types or models, unless specific types or models are also available as optional FRUs. k See "Miscellaneous parts" on page 167. 1 LCD unit (see "LCD FRUs" on page 157) 2 Keyboard bezel for models 4MT, 4PT, 8MT, 8PT, 2TT, xRT 46L4924 (continued) ThinkPad T20, T21, T22 and T23 series 153 FRU P/N a - v The FRUs marked with one asterisk are CRUs (customer replaceable units.) v The...
