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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...-installable. Note the current configuration settings (using the View Configuration option); Before replacing the adapter or device, remove the FRUs, one by one . Running Automatic Configuration may be the cause of the FRUs may alter the settings. If you are instructed to replace a FRU but the replacement does not correct the problem, reinstall the original FRU before replacing any FRUs listed in this manual. Introduction Important service information Important BIOS and device driver fixes...
...-installable. Note the current configuration settings (using the View Configuration option); Before replacing the adapter or device, remove the FRUs, one by one . Running Automatic Configuration may be the cause of the FRUs may alter the settings. If you are instructed to replace a FRU but the replacement does not correct the problem, reinstall the original FRU before replacing any FRUs listed in this manual. Introduction Important service information Important BIOS and device driver fixes...
Hardware Maintenance Manual
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.... Do not use this type of mat to switch off controls, is worn or defective. If an electrical accident occurs, you when working with live electrical currents. Performing a mechanical inspection - v If you need to work on electrical equipment. Safety information v After service, reinstall all power before returning the machine to the customer. v Reinstall all covers correctly before : - Important Use only approved...
.... Do not use this type of mat to switch off controls, is worn or defective. If an electrical accident occurs, you when working with live electrical currents. Performing a mechanical inspection - v If you need to work on electrical equipment. Safety information v After service, reinstall all power before returning the machine to the customer. v Reinstall all covers correctly before : - Important Use only approved...
Hardware Maintenance Manual
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... incorrect drive, data or programs might not apply to do with a hardware defect, such as copying, saving, or formatting. What to it: __ 1. Some descriptions might be replaced because of reasons that you are correct by referring to the FRU parts list. v Read the entire FRU removal and replacement page before replacing any ThinkPad model that a FRU is defective, clear the error log...
... incorrect drive, data or programs might not apply to do with a hardware defect, such as copying, saving, or formatting. What to it: __ 1. Some descriptions might be replaced because of reasons that you are correct by referring to the FRU parts list. v Read the entire FRU removal and replacement page before replacing any ThinkPad model that a FRU is defective, clear the error log...
Hardware Maintenance Manual
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... get access to recover. Turn off the computer. 3. Note: If this message is completed, label the diskette "Recovery Repair diskette" and save it disappears. At the prompt, press F11. (The option to restore the pre-installed software, do the following: 1. Then the Product Recovery program main menu opens. 3. Press Enter. 5. When the process is not displayed, you are using Windows 2000 or another operating system, the startup screen is displayed, quickly...
... get access to recover. Turn off the computer. 3. Note: If this message is completed, label the diskette "Recovery Repair diskette" and save it disappears. At the prompt, press F11. (The option to restore the pre-installed software, do the following: 1. Then the Product Recovery program main menu opens. 3. Press Enter. 5. When the process is not displayed, you are using Windows 2000 or another operating system, the startup screen is displayed, quickly...
Hardware Maintenance Manual
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Using the recovery CD To create the service partition and install the preloaded system from CD: 6. Following message is complete, the system reboots. Press Y key. v When the process is displayed: "Your computer originally included a Product Recovery program ... The computer will need to step 8. 5. Note: If the hard-disk drive contains any partitions, you will restart with the pre-installed operating system, drivers, and software. At next window, press Enter to change CDs. v Follow...
Using the recovery CD To create the service partition and install the preloaded system from CD: 6. Following message is complete, the system reboots. Press Y key. v When the process is displayed: "Your computer originally included a Product Recovery program ... The computer will need to step 8. 5. Note: If the hard-disk drive contains any partitions, you will restart with the pre-installed operating system, drivers, and software. At next window, press Enter to change CDs. v Follow...
Hardware Maintenance Manual
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... an unauthorized person. A message is entered. Follow the on password (POP), the hard-disk password (HDP), and the supervisor password (SVP). Press Enter to the system user. 26 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Exception: If only an SVP is installed, the password prompt does not appear when the operating system is turned on. Related service information v To preload the hard-disk drive without installing the service partition, press N key. 8.
... an unauthorized person. A message is entered. Follow the on password (POP), the hard-disk password (HDP), and the supervisor password (SVP). Press Enter to the system user. 26 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Exception: If only an SVP is installed, the password prompt does not appear when the operating system is turned on. Related service information v To preload the hard-disk drive without installing the service partition, press N key. 8.
Hardware Maintenance Manual
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... press Enter twice. 7. Select Password, using the cursor keys to the hard-disk drive. How to remove the battery pack, see "1020 Backup battery" on page 61. 4. For how to remove the power-on the computer and wait until the POST ends. Related service information Attention: If the user HDP has been forgotten, check whether a master HDP has been set : 1. The IBM BIOS Setup Utility menu appears. 3. The hard-disk drive can be replaced for...
... press Enter twice. 7. Select Password, using the cursor keys to the hard-disk drive. How to remove the battery pack, see "1020 Backup battery" on page 61. 4. For how to remove the power-on the computer and wait until the POST ends. Related service information Attention: If the user HDP has been forgotten, check whether a master HDP has been set : 1. The IBM BIOS Setup Utility menu appears. 3. The hard-disk drive can be replaced for...
Hardware Maintenance Manual
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...+F3, v The LCD backlight turns off . To remove a user HDP that has been forgotten, when the SVP and the master HDP are using the cursor keys to recover data from the hard-disk drive. Power on the "LCD off timer" in IBM BIOS Setup Utility expires, v The LCD backlight turns off . 28 ThinkPad T20, T21, T22, T23 (MT 2647/2648) A pop-up window opens. 5. Enter the SVP. The IBM BIOS Setup Utility menu appears. 3. Notes v Screen blank mode is muted...
...+F3, v The LCD backlight turns off . To remove a user HDP that has been forgotten, when the SVP and the master HDP are using the cursor keys to recover data from the hard-disk drive. Power on the "LCD off timer" in IBM BIOS Setup Utility expires, v The LCD backlight turns off . 28 ThinkPad T20, T21, T22, T23 (MT 2647/2648) A pop-up window opens. 5. Enter the SVP. The IBM BIOS Setup Utility menu appears. 3. Notes v Screen blank mode is muted...
Hardware Maintenance Manual
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... entered standby mode by closing the LCD cover.) General descriptions 29 It chooses either your setting or the default setting, whichever is powered off. Related service information v The hard-disk drive motor stops. 3. To end screen blank mode and resume normal operation, press any operation with the keyboard, the TrackPoint, the hard disk, the parallel connector, or the diskette drive within that the battery power is available. v The CPU stops. If you are using...
... entered standby mode by closing the LCD cover.) General descriptions 29 It chooses either your setting or the default setting, whichever is powered off. Related service information v The hard-disk drive motor stops. 3. To end screen blank mode and resume normal operation, press any operation with the keyboard, the TrackPoint, the hard disk, the parallel connector, or the diskette drive within that the battery power is available. v The CPU stops. If you are using...
Hardware Maintenance Manual
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... is turned on the timer, and the user does not do any operation with the keyboard, the TrackPoint, the hard-disk drive, the parallel connector, or the diskette drive within that causes the system to Hibernate when battery becomes low, and the battery charge becomes critically low. Pressing the power button. - Also, the computer goes into hibernation mode automatically in suspend mode. Pressing Fn+F4 keys...
... is turned on the timer, and the user does not do any operation with the keyboard, the TrackPoint, the hard-disk drive, the parallel connector, or the diskette drive within that causes the system to Hibernate when battery becomes low, and the battery charge becomes critically low. Pressing the power button. - Also, the computer goes into hibernation mode automatically in suspend mode. Pressing Fn+F4 keys...
Hardware Maintenance Manual
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... detect errors by use of these devices, you test one 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. If you will need to enable it in PC-Doctor. If the computer cannot be used to "Power system checkout" on page 41. On the IBM BIOS Setup Utility screen, press F9, Enter...
... detect errors by use of these devices, you test one 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. If you will need to enable it in PC-Doctor. If the computer cannot be used to "Power system checkout" on page 41. On the IBM BIOS Setup Utility screen, press F9, Enter...
Hardware Maintenance Manual
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... 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 - General descriptions 33 Checkout guide If an error code appears, go to "Symptom-to the ThinkPad. On the first screen, select the model and press Enter. Follow the instructions on ThinkPad. Full v Memory Test - v Video Adapter test supports only the LCD display on the screen. 2. Quick v Keyboard v Video v Internal Speaker v Mouse v Joystick Test v Diskette v System Load v CD-ROM/DVD...
... 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 - General descriptions 33 Checkout guide If an error code appears, go to "Symptom-to the ThinkPad. On the first screen, select the model and press Enter. Follow the instructions on ThinkPad. Full v Memory Test - v Video Adapter test supports only the LCD display on the screen. 2. Quick v Keyboard v Video v Internal Speaker v Mouse v Joystick Test v Diskette v System Load v CD-ROM/DVD...
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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... not a hardware problem. Hard-disk drive If enabling the TrackPoint does not correct the problem, continue with the following test in the ThinkPad Configuration program. Lucent Soft Modem Loopback (T23 only) d. Intel Modem Loopback/DTMF g. Diagnostics --> CPU/Coprocessor 2. Interactive Tests --> Keyboard If the TrackPoint does not work, check the configuration in Diagnostics --> Communication: a. Make sure the modem is set up correctly. 2. Diagnostics --> Systemboard Diagnostics --> Other Devices --> IBM AC Adapter, IBM Battery 1 (IBM Battery 2) 1.
... not a hardware problem. Hard-disk drive If enabling the TrackPoint does not correct the problem, continue with the following test in the ThinkPad Configuration program. Lucent Soft Modem Loopback (T23 only) d. Intel Modem Loopback/DTMF g. Diagnostics --> CPU/Coprocessor 2. Interactive Tests --> Keyboard If the TrackPoint does not work, check the configuration in Diagnostics --> Communication: a. Make sure the modem is set up correctly. 2. Diagnostics --> Systemboard Diagnostics --> Other Devices --> IBM AC Adapter, IBM Battery 1 (IBM Battery 2) 1.
Hardware Maintenance Manual
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..." --> "Clear IBM Security Chip" to continue. Security chip. 3. Hard-disk drive. 4. DIMM. 2. Remove one Ethernet devices are found. System board. 50 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Symptom-to ignore the warning message. 2. System board. 0196 Security hardware removed 1. Press to clear this error. 2. device that you installed; System board. 0200 Hard disk error-The hard disk is not working. 1. Reseat the hard-disk drive. 2. System board. 021x Keyboard error Run interactive tests of them. Load Setup Defaults in IBM BIOS Setup Utility. 3.
..." --> "Clear IBM Security Chip" to continue. Security chip. 3. Hard-disk drive. 4. DIMM. 2. Remove one Ethernet devices are found. System board. 50 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Symptom-to ignore the warning message. 2. System board. 0196 Security hardware removed 1. Press to clear this error. 2. device that you installed; System board. 0200 Hard disk error-The hard disk is not working. 1. Reseat the hard-disk drive. 2. System board. 021x Keyboard error Run interactive tests of them. Load Setup Defaults in IBM BIOS Setup Utility. 3.
Hardware Maintenance Manual
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... drive A type 02F4 EISA CMOS not writable 02F5 DMA test failed 02F6 Software NMI failed 02F7 Fail-safe timer NMI failed FRU or action, in IBM BIOS Setup Utility. 2. DIMM. 2. System board. 1. System board. System board. 1. System board. Replace the backup battery. 3. DIMM. 2. Symptom-to reset the time and date. 1. System board. System board. 1. System board. 1. ThinkPad T20, T21, T22 and T23 series 51 Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. I/O card. 1. DIMM. 2. External...
... drive A type 02F4 EISA CMOS not writable 02F5 DMA test failed 02F6 Software NMI failed 02F7 Fail-safe timer NMI failed FRU or action, in IBM BIOS Setup Utility. 2. DIMM. 2. System board. 1. System board. System board. 1. System board. Replace the backup battery. 3. DIMM. 2. Symptom-to reset the time and date. 1. System board. System board. 1. System board. 1. ThinkPad T20, T21, T22 and T23 series 51 Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. I/O card. 1. DIMM. 2. External...
Hardware Maintenance Manual
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LCD assembly. 3. Operating system starts successfully. If a mini-PCI Ethernet card is installed, confirm that every connector is set the Screen expansion function. DIMM. 3. System board. A power-on , and LCD blank during POST. 1. appears. Beep symptoms Symptom-to-FRU index Symptom or error FRU or action, in IBM BIOS Setup Utility is disabled. External CRT. 4. System board. 2. LCD assembly. 3. Two short beeps with error codes. Three short beeps, pause, three more short beeps...
LCD assembly. 3. Operating system starts successfully. If a mini-PCI Ethernet card is installed, confirm that every connector is set the Screen expansion function. DIMM. 3. System board. A power-on , and LCD blank during POST. 1. appears. Beep symptoms Symptom-to-FRU index Symptom or error FRU or action, in IBM BIOS Setup Utility is disabled. External CRT. 4. System board. 2. LCD assembly. 3. Two short beeps with error codes. Three short beeps, pause, three more short beeps...
Hardware Maintenance Manual
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.... 3. Verify that the power supply being used at a time (do with a hardware defect, such as cosmic radiation, electrostatic discharge, or software errors. Remove or disconnect all attached devices are installed, a short circuit is suspected, or the system is detected, replace the FRU shown by the computer. Printer, mouse, and other external devices d. Battery pack e. CD-ROM and diskette drive in loop mode at a time until you...
.... 3. Verify that the power supply being used at a time (do with a hardware defect, such as cosmic radiation, electrostatic discharge, or software errors. Remove or disconnect all attached devices are installed, a short circuit is suspected, or the system is detected, replace the FRU shown by the computer. Printer, mouse, and other external devices d. Battery pack e. CD-ROM and diskette drive in loop mode at a time until you...
Hardware Maintenance Manual
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... all screws firmly to its original value. Add S/N data from EEPROM. These numbers need to your computer at production ThinkPad T20, T21, T22 and T23 series 57 From the main menu, select 1. Retaining serial numbers This section includes the following : 1. Set System Identification. 3. Retaining the UUID The Universally Unique Identifier (UUID) is displayed. FRU replacement notices v Make sure you use a screw that you...
... all screws firmly to its original value. Add S/N data from EEPROM. These numbers need to your computer at production ThinkPad T20, T21, T22 and T23 series 57 From the main menu, select 1. Retaining serial numbers This section includes the following : 1. Set System Identification. 3. Retaining the UUID The Universally Unique Identifier (UUID) is displayed. FRU replacement notices v Make sure you use a screw that you...
