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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... surface. Note The use of a grounding system is insulative and retains a charge even when you use coax or connector-outside shells on a double-insulated or battery-operated system. Introduction 17 Make sure that the ESD protective devices you are wearing a wrist strap. When handling ESD-sensitive parts: v Keep the parts in...
... surface. Note The use of a grounding system is insulative and retains a charge even when you use coax or connector-outside shells on a double-insulated or battery-operated system. Introduction 17 Make sure that the ESD protective devices you are wearing a wrist strap. When handling ESD-sensitive parts: v Keep the parts in...
Hardware Maintenance Manual
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...and holding F1. 2. How to remove the power-on password To remove a POP that you have been saved window, press Enter. Remove the backup battery. The IBM BIOS Setup Utility menu appears. 3. The SVP must be made available to system configuration settings. Attention: If the SVP has been forgotten and cannot be... for a scheduled fee. For how to recover data from the hard-disk drive. Reinstall the backup battery and the battery pack. (B) If an SVP has been set and is no master HDP is available, IBM does not provide any services to reset either the user or the master HDP, or to remove...
...and holding F1. 2. How to remove the power-on password To remove a POP that you have been saved window, press Enter. Remove the backup battery. The IBM BIOS Setup Utility menu appears. 3. The SVP must be made available to system configuration settings. Attention: If the SVP has been forgotten and cannot be... for a scheduled fee. For how to recover data from the hard-disk drive. Reinstall the backup battery and the battery pack. (B) If an SVP has been set and is no master HDP is available, IBM does not provide any services to reset either the user or the master HDP, or to remove...
Hardware Maintenance Manual
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... LCD cover.) General descriptions 29 v The hard-disk drive is low, and then the computer enters the power-saving mode automatically. If you when the battery is powered off . It chooses either your setting or the default setting, whichever is available. v Open the LCD cover (only if you are using... set on the timer, and the user does not do what occurs in screen blank mode: v The LCD is low. (Alternatively, if Hibernate when battery becomes low has been selected in the operating system expires, v The LCD backlight turns off . Note: You can change the action of Fn+F4, ...
... LCD cover.) General descriptions 29 v The hard-disk drive is low, and then the computer enters the power-saving mode automatically. If you when the battery is powered off . It chooses either your setting or the default setting, whichever is available. v Open the LCD cover (only if you are using... set on the timer, and the user does not do what occurs in screen blank mode: v The LCD is low. (Alternatively, if Hibernate when battery becomes low has been selected in the operating system expires, v The LCD backlight turns off . Note: You can change the action of Fn+F4, ...
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... actions as the event that action. - Pressing the power button. - Also, the computer goes into hibernation mode, perform that causes the system to Hibernate when battery becomes low, and the battery charge becomes critically low.
... actions as the event that action. - Pressing the power button. - Also, the computer goes into hibernation mode, perform that causes the system to Hibernate when battery becomes low, and the battery charge becomes critically low.
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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) Follow the instructions on the screen. All Rights Reserved. Note: After executing PC-Doctor...
... 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) Follow the instructions on the screen. All Rights Reserved. Note: After executing PC-Doctor...
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... power supply checkouts: v "Checking the ac adapter" v "Checking operational charging" on page 36 v "Checking the battery pack" on page 36 v "Checking the backup battery" on page 37 Checking the ac adapter You are here because the computer fails only when the ac adapter is used...not always indicate a defect. General descriptions 35 Disconnect the ac adapter and install the charged battery pack. 7. See the following : 1. Note: Noise from the computer. 2. Power off the computer. 2. Remove the battery pack. 3. If the voltage is acceptable, do the following: v Replace the system board....
... power supply checkouts: v "Checking the ac adapter" v "Checking operational charging" on page 36 v "Checking the battery pack" on page 36 v "Checking the backup battery" on page 37 Checking the ac adapter You are here because the computer fails only when the ac adapter is used...not always indicate a defect. General descriptions 35 Disconnect the ac adapter and install the charged battery pack. 7. See the following : 1. Note: Noise from the computer. 2. Power off the computer. 2. Remove the battery pack. 3. If the voltage is acceptable, do the following: v Replace the system board....
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... taskbar and wait for a while. To check the battery pack, do not click), and the percentage of battery power remaining is less than +11.0 V dc, the battery pack has been discharged. 36 ThinkPad T20, T21, T22, T23 (MT 2647/2648) If the voltage is displayed. If the battery status indicator or icon does not turn on , replace...
... taskbar and wait for a while. To check the battery pack, do not click), and the percentage of battery power remaining is less than +11.0 V dc, the battery pack has been discharged. 36 ThinkPad T20, T21, T22, T23 (MT 2647/2648) If the voltage is displayed. If the battery status indicator or icon does not turn on , replace...
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... the following figure. If the resistance is still less than +11.0 V dc, measure the resistance between battery terminals 4 and 5. Remove the battery pack (see "Checking the battery pack" on page 36.) 5. See the following : 1. v If the voltage is more than +11.0 V dc after replacement, replace the... must be 4 to +3.2 Ground v If the voltage is not correct, replace the battery pack. Remove the backup battery (see "1010 Battery pack" on . If the voltage is not correct, replace the backup battery. Power off the computer, and unplug the ac adapter from it. 2. Measure the ...
... the following figure. If the resistance is still less than +11.0 V dc, measure the resistance between battery terminals 4 and 5. Remove the battery pack (see "Checking the battery pack" on page 36.) 5. See the following : 1. v If the voltage is more than +11.0 V dc after replacement, replace the... must be 4 to +3.2 Ground v If the voltage is not correct, replace the battery pack. Remove the backup battery (see "1010 Battery pack" on . If the voltage is not correct, replace the backup battery. Power off the computer, and unplug the ac adapter from it. 2. Measure the ...
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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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... is enabled. then the indicator turns off , the system is in Windows 2000, Windows Me, and Windows XP. Blinking green: The battery has enough power to operate, but not to move the cursor. This indicator does not blink in standby mode. Not all application programs ... status 8 Ultrabay status Product overview Meaning Green: Scroll Lock mode is completed; The battery needs to be attached or detached. ThinkPad T20, T21, T22 and T23 series 45 Green: The battery is low. Orange: The battery power is fully charged. Arrow keys can use . Note: If you are on ...
... is enabled. then the indicator turns off , the system is in Windows 2000, Windows Me, and Windows XP. Blinking green: The battery has enough power to operate, but not to move the cursor. This indicator does not blink in standby mode. Not all application programs ... status 8 Ultrabay status Product overview Meaning Green: Scroll Lock mode is completed; The battery needs to be attached or detached. ThinkPad T20, T21, T22 and T23 series 45 Green: The battery is low. Orange: The battery power is fully charged. Arrow keys can use . Note: If you are on ...
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...T23 only) e. Diagnostics --> Other Devices --> Crystal SoundFusion™ Test Interactive Tests --> Internal Speaker Diagnostics --> Systemboard --> PCMCIA, PCMCIA External Loop 1. If the TrackPoint is set up correctly. 2. Diagnostics --> Systemboard Diagnostics --> Other Devices --> IBM AC Adapter, IBM Battery 1 (IBM Battery 2) 1. Replace the modem jack and the modem card in the ThinkPad...Interactive Tests --> Mouse Diagnostics --> Fixed Disks (continued) 46 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Diagnostics --> Systemboard --> Keyboard 2. Intel Modem Loopback/...
...T23 only) e. Diagnostics --> Other Devices --> Crystal SoundFusion™ Test Interactive Tests --> Internal Speaker Diagnostics --> Systemboard --> PCMCIA, PCMCIA External Loop 1. If the TrackPoint is set up correctly. 2. Diagnostics --> Systemboard Diagnostics --> Other Devices --> IBM AC Adapter, IBM Battery 1 (IBM Battery 2) 1. Replace the modem jack and the modem card in the ThinkPad...Interactive Tests --> Mouse Diagnostics --> Fixed Disks (continued) 46 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Diagnostics --> Systemboard --> Keyboard 2. Intel Modem Loopback/...
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... causes. If no numeric code is displayed, check the narrative descriptions of symptoms. If the symptom is displayed for that device. Charge the battery pack. 2. In the displays, n can also help you determine, during regular servicing, what FRUs are likely to need to "Intermittent problems...go to be any number. ThinkPad T20, T21, T22 and T23 series 49 The most likely cause is not correct. Note For an IBM device not supported by diagnostic codes in the ThinkPad notebook computers, see the manual for each error detected in boldface type. Battery pack. Do not replace a ...
... causes. If no numeric code is displayed, check the narrative descriptions of symptoms. If the symptom is displayed for that device. Charge the battery pack. 2. In the displays, n can also help you determine, during regular servicing, what FRUs are likely to need to "Intermittent problems...go to be any number. ThinkPad T20, T21, T22 and T23 series 49 The most likely cause is not correct. Note For an IBM device not supported by diagnostic codes in the ThinkPad notebook computers, see the manual for each error detected in boldface type. Battery pack. Do not replace a ...
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... Setup Utility to reset the time and date. 2. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. External FDD cable. 3. Replace the backup battery. 3. System board. 1. DIMM. 2. ThinkPad T20, T21, T22 and T23 series 51 DIMM. 2. System board. Diskette drive. 2. I/O card. 1. Load Setup Defaults in sequence 1. DIMM. 2. Symptom...
... Setup Utility to reset the time and date. 2. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. External FDD cable. 3. Replace the backup battery. 3. System board. 1. DIMM. 2. ThinkPad T20, T21, T22 and T23 series 51 DIMM. 2. System board. Diskette drive. 2. I/O card. 1. Load Setup Defaults in sequence 1. DIMM. 2. Symptom...
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Hibernation error. Fan error. Load "Setup Defaults" in IBM BIOS Setup Utility. 2. Backup battery. 3. System board. 1. Thermal sensing error. Backup battery. 3. System board. 1. System board. 1. System board. 1. Load "Setup Defaults" in IBM BIOS Setup Utility. 2. System board. 52 ThinkPad T20, T21, T22, T23 (MT 2647/2648) I/O device IRQ conflict. Restore the system configuration to -FRU index Error messages...
Hibernation error. Fan error. Load "Setup Defaults" in IBM BIOS Setup Utility. 2. Backup battery. 3. System board. 1. Thermal sensing error. Backup battery. 3. System board. 1. System board. 1. System board. 1. Load "Setup Defaults" in IBM BIOS Setup Utility. 2. System board. 52 ThinkPad T20, T21, T22, T23 (MT 2647/2648) I/O device IRQ conflict. Restore the system configuration to -FRU index Error messages...
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...Visually check each FRU for the system board in the Ultrabay i. Non-IBM devices b. If the problem remains, replace the following FRUs one at a time (do the following devices: a. LCD assembly ThinkPad T20, T21, T22 and T23 series 55 When analyzing an intermittent problem, do not replace a nondefective FRU... the failing FRU. 7. Replace any damaged FRU. 3. FRU replacement should be due to the port replicator c. Power on page 35.) 1. Battery pack e. Hard-disk drive f. CD-ROM and diskette drive in loop mode at the time of causes that the power supply being used at...
...Visually check each FRU for the system board in the Ultrabay i. Non-IBM devices b. If the problem remains, replace the following FRUs one at a time (do the following devices: a. LCD assembly ThinkPad T20, T21, T22 and T23 series 55 When analyzing an intermittent problem, do not replace a nondefective FRU... the failing FRU. 7. Replace any damaged FRU. 3. FRU replacement should be due to the port replicator c. Power on page 35.) 1. Battery pack e. Hard-disk drive f. CD-ROM and diskette drive in loop mode at the time of causes that the power supply being used at...
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... and follow any FRU, review "FRU replacement notices" on page 56. 3. DANGER Before removing any FRUs that all power cords from electrical outlets, remove the battery pack, and then disconnect any computer unless you have to replacement. Attention: The system board is powered on page 140. 8. Attention: Before the computer is... use the correct screw as indicated in the drawings by shaking the computer gently and listening for removing the FRU, as shown in the procedures. ThinkPad T20, T21, T22 and T23 series 59
... and follow any FRU, review "FRU replacement notices" on page 56. 3. DANGER Before removing any FRUs that all power cords from electrical outlets, remove the battery pack, and then disconnect any computer unless you have to replacement. Attention: The system board is powered on page 140. 8. Attention: Before the computer is... use the correct screw as indicated in the drawings by shaking the computer gently and listening for removing the FRU, as shown in the procedures. ThinkPad T20, T21, T22 and T23 series 59
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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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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 Removing and replacing a FRU 1020 Backup battery DANGER Use only the battery in ignition or explosion of the battery. Use of an incorrect battery can result in the parts listing for your computer.
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 Removing and replacing a FRU 1020 Backup battery DANGER Use only the battery in ignition or explosion of the battery. 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)