Hardware Maintenance Manual
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...How to use error messages 2 Diskette compatibility matrix 2 Safety notices: multilingual translations 3 Safety information 13 General safety 13 Electrical safety 14 Safety inspection guide 15 Handling devices that are sensitive to electorostatic discharge 16 Grounding ... 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... and replacing a FRU 59 1010 Battery pack 60 1020 Backup battery 61 © Copyright IBM Corp. 2002 v
...How to use error messages 2 Diskette compatibility matrix 2 Safety notices: multilingual translations 3 Safety information 13 General safety 13 Electrical safety 14 Safety inspection guide 15 Handling devices that are sensitive to electorostatic discharge 16 Grounding ... 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... and replacing a FRU 59 1010 Battery pack 60 1020 Backup battery 61 © Copyright IBM Corp. 2002 v
Hardware Maintenance Manual
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... is insulative and retains a charge even when you use have been certified (ISO 9000) as those listed below, to eliminate static on a double-insulated or battery-operated system. Grounding requirements Electrical grounding of the AC plug on these systems. - v Select a grounding system, such as fully effective. v Use the black side of...
... is insulative and retains a charge even when you use have been certified (ISO 9000) as those listed below, to eliminate static on a double-insulated or battery-operated system. Grounding requirements Electrical grounding of the AC plug on these systems. - v Select a grounding system, such as fully effective. v Use the black side of...
Hardware Maintenance Manual
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...must be made available to the servicer, there is no service procedure to reset the password. For how to remove the battery pack, see "1020 Backup battery" on page 61. 4. The IBM BIOS Setup Utility menu appears. 3. At the Enter Current Password field, enter the SVP. 6. Attention: If the ... has been forgotten and cannot be entered in the IBM BIOS Setup Utility. Turn off the computer. 2. For how to remove the backup battery, see "1010 Battery pack" on the computer by the servicer: 1. Enter the SVP. Remove the backup battery. Select Password, using the cursor keys to move ...
...must be made available to the servicer, there is no service procedure to reset the password. For how to remove the battery pack, see "1020 Backup battery" on page 61. 4. The IBM BIOS Setup Utility menu appears. 3. At the Enter Current Password field, enter the SVP. 6. Attention: If the ... has been forgotten and cannot be entered in the IBM BIOS Setup Utility. Turn off the computer. 2. For how to remove the backup battery, see "1010 Battery pack" on the computer by the servicer: 1. Enter the SVP. Remove the backup battery. Select Password, using the cursor keys to move ...
Hardware Maintenance Manual
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...system. v The CPU stops. Standby mode When the computer enters standby mode, the following : v Press the Fn key. This default low-battery behavior is powered off. In certain circumstances, the computer goes into hibernation mode.) Note for the APM operating system: Even if you specified. ... in the "Power Management Properties" window, the computer goes into standby mode automatically: v If a "suspend time" has been set the low-battery alarm, the computer may not do any key. Related service information v The hard-disk drive motor stops. 3. Note: You can change the ...
...system. v The CPU stops. Standby mode When the computer enters standby mode, the following : v Press the Fn key. This default low-battery behavior is powered off. In certain circumstances, the computer goes into hibernation mode.) Note for the APM operating system: Even if you specified. ... in the "Power Management Properties" window, the computer goes into standby mode automatically: v If a "suspend time" has been set the low-battery alarm, the computer may not do any key. Related service information v The hard-disk drive motor stops. 3. Note: You can change the ...
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... 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. Closing the lid. - Related service information v If you are using the ACPI operating system and have set on , the...
... 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. Closing the lid. - Related service information v If you are using the ACPI operating system and have set on , the...
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... v Run External Tests v Surface Scan Hard Disk v Benchmark System v DOS Shell v 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) Quick Hardware Info Utility Quit F1=Help PC-DOCTOR 2.0 Copyright 2001 PC-Doctor, Inc...
... v Run External Tests v Surface Scan Hard Disk v Benchmark System v DOS Shell v 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) Quick Hardware Info Utility Quit F1=Help PC-DOCTOR 2.0 Copyright 2001 PC-Doctor, Inc...
Hardware Maintenance Manual
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...: 2 1 (16 - 10 V) Pin Voltage (V dc) 1 +15.5 to +17.0 2 Ground 3. If the voltage is used, replace the port replicator. Check that the battery pack supplies power when you power on the computer. Unplug the ac adapter cable from the ac adapter does not always indicate a defect. Note: Noise... v If the power problem occurs only when the port replicator is not correct, replace the ac adapter. 4. Power off the computer. 6. Remove the battery pack. 3. v If the power-on indicator does not turn on, check the power cord of the following : 1. Measure the output voltage at the...
...: 2 1 (16 - 10 V) Pin Voltage (V dc) 1 +15.5 to +17.0 2 Ground 3. If the voltage is used, replace the port replicator. Check that the battery pack supplies power when you power on the computer. Unplug the ac adapter cable from the ac adapter does not always indicate a defect. Note: Noise... v If the power problem occurs only when the port replicator is not correct, replace the ac adapter. 4. Power off the computer. 6. Remove the battery pack. 3. v If the power-on indicator does not turn on, check the power cord of the following : 1. Measure the output voltage at the...
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...% of the total power remaining when installed in the icon tray of the Windows taskbar and wait for a while. To get detailed information about the battery, double-click the Power Meter icon. After it cools down, reinstall and recharge it at room temperature for a moment (but do the following figure:...computer. Then reinstall the battery pack. If it may not be able to the next section. Note: If the battery pack becomes hot, it is less than +11.0 V dc, the battery pack has been discharged. 36 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Remove the battery pack and measure the voltage...
...% of the total power remaining when installed in the icon tray of the Windows taskbar and wait for a while. To get detailed information about the battery, double-click the Power Meter icon. After it cools down, reinstall and recharge it at room temperature for a moment (but do the following figure:...computer. Then reinstall the battery pack. If it may not be able to the next section. Note: If the battery pack becomes hot, it is less than +11.0 V dc, the battery pack has been discharged. 36 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Remove the battery pack and measure the voltage...
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...v If the voltage is still less than +11.0 V dc, measure the resistance between battery terminals 4 and 5. Power off the computer, and unplug the ac adapter from it. 2. Remove the battery pack (see "Checking the battery pack" on page 60.) 4. Red (+) Black (-) Wire Red Black Voltage (V dc... V dc after replacement, replace the system board. v If the backup battery discharges quickly after recharging, replace the battery. 4. If the resistance is not correct, replace the backup battery. Checking the backup battery Do the following figure. Turn the computer upside down. 3. v If ...
...v If the voltage is still less than +11.0 V dc, measure the resistance between battery terminals 4 and 5. Power off the computer, and unplug the ac adapter from it. 2. Remove the battery pack (see "Checking the battery pack" on page 60.) 4. Red (+) Black (-) Wire Red Black Voltage (V dc... V dc after replacement, replace the system board. v If the backup battery discharges quickly after recharging, replace the battery. 4. If the resistance is not correct, replace the backup battery. Checking the backup battery Do the following figure. Turn the computer upside down. 3. v If ...
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ThinkPad T20, T21, T22 and T23 series Product overview 41 Specifications 43 Status indicators 45 FRU Tests 47 Fn key ...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 T20, T21 and T22 series 74 For T23...series 94 For T23 series 97 1130 CPU 98 For T20, T21 and T22 series 98 For T23 series 99 1140 PC Card slot assembly 100 For T20, T21, T22 series 100 For T23 series 102 1150 Speaker 103 © Copyright IBM Corp. 2002 39
ThinkPad T20, T21, T22 and T23 series Product overview 41 Specifications 43 Status indicators 45 FRU Tests 47 Fn key ...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 T20, T21 and T22 series 74 For T23...series 94 For T23 series 97 1130 CPU 98 For T20, T21 and T22 series 98 For T23 series 99 1140 PC Card slot assembly 100 For T20, T21, T22 series 100 For T23 series 102 1150 Speaker 103 © Copyright IBM Corp. 2002 39
Hardware Maintenance Manual
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... device is being detached. Note: If you can be attached or detached. Not all application programs support this function. Green: The battery is low. Orange: The battery power is fully charged. Green: An Ultrabay 2000 device is ready to be charged. If the power-on indicator is on ....2000 or Windows XP, the Ultrabay status indicator does not blink while an Ultrabay 2000 device is in use. ThinkPad T20, T21, T22 and T23 series 45 Blinking green: The battery has enough power to move the cursor. Blinking green: The computer is entering standby mode or hibernation mode, or...
... device is being detached. Note: If you can be attached or detached. Not all application programs support this function. Green: The battery is low. Orange: The battery power is fully charged. Green: An Ultrabay 2000 device is ready to be charged. If the power-on indicator is on ....2000 or Windows XP, the Ultrabay status indicator does not blink while an Ultrabay 2000 device is in use. ThinkPad T20, T21, T22 and T23 series 45 Blinking green: The battery has enough power to move the cursor. Blinking green: The computer is entering standby mode or hibernation mode, or...
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Diagnostics --> Systemboard Diagnostics --> Other Devices --> IBM AC Adapter, IBM Battery 1 (IBM Battery 2) 1. Lucent Modem (M2) Loopback b. Intel Modem Register f. Diagnostics --> Systemboard --> Keyboard 2. This drift can occur when a slight, steady pressure is applied to... does not work, check the configuration in turn, and run the following : v Interactive Tests --> Mouse Diagnostics --> Fixed Disks (continued) 46 ThinkPad T20, T21, T22, T23 (MT 2647/2648) If the TrackPoint is not a hardware problem. If the pointer stops after a short time, no service action is set up correctly. ...
Diagnostics --> Systemboard Diagnostics --> Other Devices --> IBM AC Adapter, IBM Battery 1 (IBM Battery 2) 1. Lucent Modem (M2) Loopback b. Intel Modem Register f. Diagnostics --> Systemboard --> Keyboard 2. This drift can occur when a slight, steady pressure is applied to... does not work, check the configuration in turn, and run the following : v Interactive Tests --> Mouse Diagnostics --> Fixed Disks (continued) 46 ThinkPad T20, T21, T22, T23 (MT 2647/2648) If the TrackPoint is not a hardware problem. If the pointer stops after a short time, no service action is set up correctly. ...
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...error is not correct. Numeric error codes Symptom or error FRU or action, in POST or system operation. Battery pack. Note For an IBM device not supported by diagnostic codes in the ThinkPad notebook computers, see the manual for each error detected in sequence 0175 Bad CRC1, stop POST task-The ...likely cause is listed first, in this section lists symptoms and errors and their possible causes. This index can be replaced next. ThinkPad T20, T21, T22 and T23 series 49 Do not replace a nondefective FRU. In the displays, n can also help you determine, during regular servicing, what ...
...error is not correct. Numeric error codes Symptom or error FRU or action, in POST or system operation. Battery pack. Note For an IBM device not supported by diagnostic codes in the ThinkPad notebook computers, see the manual for each error detected in sequence 0175 Bad CRC1, stop POST task-The ...likely cause is listed first, in this section lists symptoms and errors and their possible causes. This index can be replaced next. ThinkPad T20, T21, T22 and T23 series 49 Do not replace a nondefective FRU. In the displays, n can also help you determine, during regular servicing, what ...
Hardware Maintenance Manual
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... Setup Utility to reset the time and date. System board. 1. Diskette drive. 2. Replace the backup battery. 3. System board. 1. System board. 1. ThinkPad T20, T21, T22 and T23 series 51 DIMM. 2. External FDD cable. 3. DIMM. 2. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. 2. Load Setup Defaults in sequence 1. Symptom...
... Setup Utility to reset the time and date. System board. 1. Diskette drive. 2. Replace the backup battery. 3. System board. 1. System board. 1. ThinkPad T20, T21, T22 and T23 series 51 DIMM. 2. External FDD cable. 3. DIMM. 2. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. 2. Load Setup Defaults in sequence 1. Symptom...
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... 2. Load "Setup Defaults" in sequence 1. Diskette drive. 6. System board. 1. System board. 52 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Invalid system configuration data. System board. 1. Backup battery. 3. System board. 1. Check that the operating system has no failure and is installed correctly. 2.... the computer entered hibernation mode. 2. Allocation error for device. Operating system not found. DIMM. 2. Hibernation error. Enter IBM BIOS Setup Utility and see whether the hard-disk drive and the diskette drive are properly identified. 3. Restore the system ...
... 2. Load "Setup Defaults" in sequence 1. Diskette drive. 6. System board. 1. System board. 52 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Invalid system configuration data. System board. 1. Backup battery. 3. System board. 1. Check that the operating system has no failure and is installed correctly. 2.... the computer entered hibernation mode. 2. Allocation error for device. Operating system not found. DIMM. 2. Hibernation error. Enter IBM BIOS Setup Utility and see whether the hard-disk drive and the diskette drive are properly identified. 3. Restore the system ...
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...following devices: a. Run the diagnostic test for damage. Replace any error is inoperative. Non-IBM devices b. CD-ROM and diskette drive in loop mode at a time (do not ...software errors. Hard-disk drive f. PC Cards 4. System board b. LCD assembly ThinkPad T20, T21, T22 and T23 series 55 Remove or disconnect all attached devices are installed, a short circuit is...that no defects). Power on page 35.) 1. Rerun the test to the port replicator c. Battery pack e. Printer, mouse, and other external devices d. If any damaged FRU. 3. Intermittent...
...following devices: a. Run the diagnostic test for damage. Replace any error is inoperative. Non-IBM devices b. CD-ROM and diskette drive in loop mode at a time (do not ...software errors. Hard-disk drive f. PC Cards 4. System board b. LCD assembly ThinkPad T20, T21, T22 and T23 series 55 Remove or disconnect all attached devices are installed, a short circuit is...that no defects). Power on page 35.) 1. Rerun the test to the port replicator c. Battery pack e. Printer, mouse, and other external devices d. If any damaged FRU. 3. Intermittent...
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...For information about connecting and arranging internal cables, see "Locations" on page 56. 3. When replacing a FRU, use in removing and replacing a FRU. ThinkPad T20, T21, T22 and T23 series 59 Do not try to service any FRUs that have been trained and certified. Any such FRUs are listed at the top...move it in the procedures. DANGER Before removing any FRU, power off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any notes that all screws, springs, and other small parts are in which they are not loose inside the computer.
...For information about connecting and arranging internal cables, see "Locations" on page 56. 3. When replacing a FRU, use in removing and replacing a FRU. ThinkPad T20, T21, T22 and T23 series 59 Do not try to service any FRUs that have been trained and certified. Any such FRUs are listed at the top...move it in the procedures. DANGER Before removing any FRU, power off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any notes that all screws, springs, and other small parts are in which they are not loose inside the computer.
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Use of the battery. 2 1 60 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Removing and replacing a FRU 1010 Battery pack DANGER Use only the battery in ignition or explosion of an incorrect battery can result in the parts listing for your computer.
Use of the battery. 2 1 60 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Removing and replacing a FRU 1010 Battery pack DANGER Use only the battery in ignition or explosion of an incorrect battery can result in the parts listing for your computer.
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Removing and replacing a FRU 1020 Backup battery DANGER Use only the battery in ignition or explosion of the battery. For access, remove this FRU: v "1010 Battery pack" on page 60 1 2 Step 1 Screw (quantity) M2.5 × 3.5 mm, (1) (continued) Torque 0.392 Nm (4 kgfcm) ThinkPad T20, T21, T22 and T23 series 61 Use of an incorrect battery can result in the parts listing for your computer.
Removing and replacing a FRU 1020 Backup battery DANGER Use only the battery in ignition or explosion of the battery. For access, remove this FRU: v "1010 Battery pack" on page 60 1 2 Step 1 Screw (quantity) M2.5 × 3.5 mm, (1) (continued) Torque 0.392 Nm (4 kgfcm) ThinkPad T20, T21, T22 and T23 series 61 Use of an incorrect battery can result in the parts listing for your computer.
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Removing and replacing a FRU Cable routing: When attaching the backup battery to the holder, route the battery cable as in the following figure. 62 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
Removing and replacing a FRU Cable routing: When attaching the backup battery to the holder, route the battery cable as in the following figure. 62 ThinkPad T20, T21, T22, T23 (MT 2647/2648)