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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... strap. v Use the black side of the computer is insulative and retains a charge even when you use of the AC plug on a double-insulated or battery-operated system. Use the round ground-prong of a grounding system is especially useful when handling ESD-sensitive devices. Introduction 17 Make sure that the ESD...
... strap. v Use the black side of the computer is insulative and retains a charge even when you use of the AC plug on a double-insulated or battery-operated system. Use the round ground-prong of a grounding system is especially useful when handling ESD-sensitive devices. Introduction 17 Make sure that the ESD...
Hardware Maintenance Manual
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... If the SVP has been forgotten and cannot be entered in the IBM BIOS Setup Utility. How to remove the power-on password To remove a POP that you have been saved window, press Enter. Remove the backup battery. After the POST ends, the password prompt does not appear. Enter... field opens, leave it can be replaced for access to remove the backup battery, see "1010 Battery pack" on page 61. 4. If no SVP has been set: 1. Remove the battery pack. The POP has been removed. 5. The IBM BIOS Setup Utility menu appears. 3. Related service information Attention: If the user...
... If the SVP has been forgotten and cannot be entered in the IBM BIOS Setup Utility. How to remove the power-on password To remove a POP that you have been saved window, press Enter. Remove the backup battery. After the POST ends, the password prompt does not appear. Enter... field opens, leave it can be replaced for access to remove the backup battery, see "1010 Battery pack" on page 61. 4. If no SVP has been set: 1. Remove the battery pack. The POP has been removed. 5. The IBM BIOS Setup Utility menu appears. 3. Related service information Attention: If the user...
Hardware Maintenance Manual
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...monitor" timer 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. In certain circumstances, the computer goes into hibernation mode.) Note for the APM operating system: Even if...Fn+F4, if you entered standby mode by closing the LCD cover.) General descriptions 29 To enter standby mode, press Fn+F4. v If the battery indicator blinks orange, indicating that time. v The CPU stops. v Open the LCD cover (only if you are using Windows Me and you are...
...monitor" timer 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. In certain circumstances, the computer goes into hibernation mode.) Note for the APM operating system: Even if...Fn+F4, if you entered standby mode by closing the LCD cover.) General descriptions 29 To enter standby mode, press Fn+F4. v If the battery indicator blinks orange, indicating that time. v The CPU stops. v Open the LCD cover (only if you are using Windows Me and you are...
Hardware Maintenance Manual
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... using the APM operating system and have defined one of the following actions as the event that causes the system to Hibernate when battery becomes low, and the battery charge becomes critically low. Closing the lid. - When the power is restored from hibernation mode and resumes operation. General descriptions 31 v If the...
... using the APM operating system and have defined one of the following actions as the event that causes the system to Hibernate when battery becomes low, and the battery charge becomes critically low. Closing the lid. - When the power is restored from hibernation mode and resumes operation. General descriptions 31 v If 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) Full Memory Test - All Rights Reserved. To exit the test, select Quit - Note: After...
... 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) Full Memory Test - All Rights Reserved. To exit the test, select Quit - Note: After...
Hardware Maintenance Manual
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...ac adapter does not always indicate a defect. v If the problem persists, go to "Product overview" on the computer. 5. Check that the battery pack supplies power when you suspect a power problem, see the appropriate one of the following power supply checkouts: v "Checking the ac adapter"...power problem occurs only when the port replicator is not correct, replace the ac adapter. 4. Disconnect the ac adapter and install the charged battery pack. 7. v If the computer does not charge during operation, go to "Checking operational charging". Note: Noise from the computer. 2. ...
...ac adapter does not always indicate a defect. v If the problem persists, go to "Product overview" on the computer. 5. Check that the battery pack supplies power when you suspect a power problem, see the appropriate one of the following power supply checkouts: v "Checking the ac adapter"...power problem occurs only when the port replicator is not correct, replace the ac adapter. 4. Disconnect the ac adapter and install the charged battery pack. 7. v If the computer does not charge during operation, go to "Checking operational charging". Note: Noise from the computer. 2. ...
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...Power off the computer. 2. 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) Checkout guide Checking operational charging To check... whether the battery charges properly during operation, use a discharged battery pack or a battery pack that...
...Power off the computer. 2. 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) Checkout guide Checking operational charging To check... whether the battery charges properly during operation, use a discharged battery pack or a battery pack that...
Hardware Maintenance Manual
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...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. See the following : 1. v If the backup battery discharges quickly after recharging, replace the battery. 4. The resistance must be 4 to +3.2 Ground v ...If the voltage is correct, replace the system board. Remove the backup battery (see "1010 Battery pack" on page 60.) 4. Measure the voltage of the backup battery. General descriptions 37 Checkout guide Note: Recharging will take at least 3 hours, even if ...
...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. See the following : 1. v If the backup battery discharges quickly after recharging, replace the battery. 4. The resistance must be 4 to +3.2 Ground v ...If the voltage is correct, replace the system board. Remove the backup battery (see "1010 Battery pack" on page 60.) 4. Measure the voltage of the backup battery. General descriptions 37 Checkout guide Note: Recharging will take at least 3 hours, even 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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... all application programs support this function. If the power-on indicator is on and the standby indicator is off . Green: The battery is being detached. ThinkPad T20, T21, T22 and T23 series 45 Note: If you can be attached or detached. Green: This indicator stays lighted whenever the computer is being detached. Blinking...
... all application programs support this function. If the power-on indicator is on and the standby indicator is off . Green: The battery is being detached. ThinkPad T20, T21, T22 and T23 series 45 Note: If you can be attached or detached. Green: This indicator stays lighted whenever the computer is being detached. Blinking...
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... --> Video Adapter 2. Lucent Soft Modem Loopback (T23 only) d. Diagnostics --> Other Devices --> Crystal SoundFusion...ThinkPad T20, T21, T22, T23 (MT 2647/2648) Replace the modem jack and the modem card in turn, and run the following test in the ThinkPad Configuration program. Lucent Modem (M2) Dialtone/DTM c. Intel SP Modem Register h. Diagnostics --> Systemboard --> Keyboard 2. Diagnostics --> CPU/Coprocessor 2. Diagnostics --> Systemboard Diagnostics --> Other Devices --> IBM AC Adapter, IBM Battery 1 (IBM Battery 2) 1. Lucent Soft Modem Dialtone (T23...
... --> Video Adapter 2. Lucent Soft Modem Loopback (T23 only) d. Diagnostics --> Other Devices --> Crystal SoundFusion...ThinkPad T20, T21, T22, T23 (MT 2647/2648) Replace the modem jack and the modem card in turn, and run the following test in the ThinkPad Configuration program. Lucent Modem (M2) Dialtone/DTM c. Intel SP Modem Register h. Diagnostics --> Systemboard --> Keyboard 2. Diagnostics --> CPU/Coprocessor 2. Diagnostics --> Systemboard Diagnostics --> Other Devices --> IBM AC Adapter, IBM Battery 1 (IBM Battery 2) 1. Lucent Soft Modem Dialtone (T23...
Hardware Maintenance Manual
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... "Intermittent problems" on page 55. System board. 0189 Invalid RFID configuration information area-The EEPROM checksum is failed. ThinkPad T20, T21, T22 and T23 series 49 Note: Do the FRU replacement or other actions in the sequence shown in the column headed "FRU or...ThinkPad notebook computers, see the manual for each error detected in the computer. This index can be replaced next. System board. 0187 EAIA data access error-The access to EEPROM is not correct. Do not replace a nondefective FRU. A numeric error is listed first, in boldface type. Battery pack. Note For an IBM...
... "Intermittent problems" on page 55. System board. 0189 Invalid RFID configuration information area-The EEPROM checksum is failed. ThinkPad T20, T21, T22 and T23 series 49 Note: Do the FRU replacement or other actions in the sequence shown in the column headed "FRU or...ThinkPad notebook computers, see the manual for each error detected in the computer. This index can be replaced next. System board. 0187 EAIA data access error-The access to EEPROM is not correct. Do not replace a nondefective FRU. A numeric error is listed first, in boldface type. Battery pack. Note For an IBM...
Hardware Maintenance Manual
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... and date. Replace the backup battery. 3. Reset the password by running IBM BIOS Setup Utility. 1. External FDD cable. 3. DIMM. 2. System board. 1. Diskette drive. 2. System board. 1. Load Setup Defaults in sequence 1. ThinkPad T20, T21, T22 and T23 series 51 System board. System board. 1. System board. Replace the backup battery and run IBM BIOS Setup Utility to reset...
... and date. Replace the backup battery. 3. Reset the password by running IBM BIOS Setup Utility. 1. External FDD cable. 3. DIMM. 2. System board. 1. Diskette drive. 2. System board. 1. Load Setup Defaults in sequence 1. ThinkPad T20, T21, T22 and T23 series 51 System board. System board. 1. System board. Replace the backup battery and run IBM BIOS Setup Utility to reset...
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... Defaults" in sequence 1. System board. 1. System board. 1. Backup battery. 3. Check that the operating system has no failure and is installed ...error for device. Thermal sensing error. FRU or action, in IBM BIOS Setup Utility. 2. Backup battery. 3. Backup battery. 3. Load "Setup Defaults" in IBM BIOS Setup Utility. 2. Reseat the hard-disk drive. 4....Hibernation error. DIMM. 2. DIMM. 2. System board. 1. Load "Setup Defaults" in IBM BIOS Setup Utility. 2. Enter IBM BIOS Setup Utility and see whether the hard-disk drive and the diskette drive are properly...
... Defaults" in sequence 1. System board. 1. System board. 1. Backup battery. 3. Check that the operating system has no failure and is installed ...error for device. Thermal sensing error. FRU or action, in IBM BIOS Setup Utility. 2. Backup battery. 3. Backup battery. 3. Load "Setup Defaults" in IBM BIOS Setup Utility. 2. Reseat the hard-disk drive. 4....Hibernation error. DIMM. 2. DIMM. 2. System board. 1. Load "Setup Defaults" in IBM BIOS Setup Utility. 2. Enter IBM BIOS Setup Utility and see whether the hard-disk drive and the diskette drive are properly...
Hardware Maintenance Manual
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...defect, such as cosmic radiation, electrostatic discharge, or software errors. Printer, mouse, and other external devices d. Battery pack e. DIMM h. PC Cards 4. LCD assembly ThinkPad T20, T21, T22 and T23 series 55 If any error is operating correctly. (See "Power system checkout" on the computer. 5. Visually ... the FRU shown by the computer. FRU replacement should be due to a variety of the following : 1. Replace any FRUs. 3. Non-IBM devices b. CD-ROM and diskette drive in loop mode at a time (do not replace a nondefective FRU): a. Intermittent problems Symptom-to-FRU...
...defect, such as cosmic radiation, electrostatic discharge, or software errors. Printer, mouse, and other external devices d. Battery pack e. DIMM h. PC Cards 4. LCD assembly ThinkPad T20, T21, T22 and T23 series 55 If any error is operating correctly. (See "Power system checkout" on the computer. 5. Visually ... the FRU shown by the computer. FRU replacement should be due to a variety of the following : 1. Replace any FRUs. 3. Non-IBM devices b. CD-ROM and diskette drive in loop mode at a time (do not replace a nondefective FRU): a. Intermittent problems Symptom-to-FRU...
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...about connecting and arranging internal cables, see "Locations" on after FRU replacement, make sure that all power cords from electrical outlets, remove the battery pack, and then disconnect any computer unless you have to service any interconnecting cables. Verify this by the arrow in the drawing. 6. Removing...any FRU, power off the computer, unplug all screws, springs, and other small parts are in removing and replacing a FRU. ThinkPad T20, T21, T22 and T23 series 59 Follow the correct sequence in the steps for removing the FRU, as shown in place, reverse the removal procedure and...
...about connecting and arranging internal cables, see "Locations" on after FRU replacement, make sure that all power cords from electrical outlets, remove the battery pack, and then disconnect any computer unless you have to service any interconnecting cables. Verify this by the arrow in the drawing. 6. Removing...any FRU, power off the computer, unplug all screws, springs, and other small parts are in removing and replacing a FRU. ThinkPad T20, T21, T22 and T23 series 59 Follow the correct sequence in the steps for removing the FRU, as shown in place, reverse the removal procedure and...
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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.
Hardware Maintenance Manual
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Use 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 Removing and replacing a FRU 1020 Backup battery 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. 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 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)