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IBM Mobile Systems ThinkPad Computer Hardware Maintenance Manual April 2002 This manual supports: ThinkPad T20, T21, T22, T23 (MT 2647/2648) ThinkPad Dock (MT 2631)
IBM Mobile Systems ThinkPad Computer Hardware Maintenance Manual April 2002 This manual supports: ThinkPad T20, T21, T22, T23 (MT 2647/2648) ThinkPad Dock (MT 2631)
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... this manual along with the advanced diagnostic tests to troubleshoot problems. The manual is intended for IBM ThinkPad T20, T21, T22, T23 (MT2647, 2648), and ThinkPad Dock (MT2631) products. Use this manual along with ThinkPad products. Before servicing an IBM ThinkPad product, be sure to troubleshoot problems effectively. v The product-specific section includes service, reference, ...the safety information under "Safety notices: multilingual translations" on page 3, "Safety information" on page 13, and "Laser compliance statement" on page 18. © Copyright IBM Corp. 2002 iii
... this manual along with the advanced diagnostic tests to troubleshoot problems. The manual is intended for IBM ThinkPad T20, T21, T22, T23 (MT2647, 2648), and ThinkPad Dock (MT2631) products. Use this manual along with ThinkPad products. Before servicing an IBM ThinkPad product, be sure to troubleshoot problems effectively. v The product-specific section includes service, reference, ...the safety information under "Safety notices: multilingual translations" on page 3, "Safety information" on page 13, and "Laser compliance statement" on page 18. © Copyright IBM Corp. 2002 iii
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... 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... replacement notices 56 Screw notices 56 Retaining serial numbers 57 Removing and replacing a FRU 59 1010 Battery pack 60 1020 Backup battery 61 © Copyright IBM Corp. 2002 v
... 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... replacement notices 56 Screw notices 56 Retaining serial numbers 57 Removing and replacing a FRU 59 1010 Battery pack 60 1020 Backup battery 61 © Copyright IBM Corp. 2002 v
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...judgment as metal filings, contamination, water or other liquids, or signs of fire or smoke damage. 7. Check for any obvious non-IBM alterations. Check that are sensitive to electorostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to measure... ground continuity for any obvious unsafe conditions, such as to the safety of every service task. Protect against ESD 16 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Checklist: 1. Insulation must determine how serious the apparent hazard could be and whether you must not...
...judgment as metal filings, contamination, water or other liquids, or signs of fire or smoke damage. 7. Check for any obvious non-IBM alterations. Check that are sensitive to electorostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to measure... ground continuity for any obvious unsafe conditions, such as to the safety of every service task. Protect against ESD 16 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Checklist: 1. Insulation must determine how serious the apparent hazard could be and whether you must not...
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...Code of the International Electrotechnical Commission (IEC) 825 and CENELEC EN 60 825 for Class 1 laser products. Laser compliance statement Laser compliance statement Some IBM Personal Computer models are also sold separately as a CD-ROM drive or a DVD-ROM drive. Elsewhere, the drive is certified in the U.S. ...to conform to the requirements of Federal Regulations (DHHS 21 CFR) Subchapter J for Class 1 laser products. 18 ThinkPad T20, T21, T22, T23 (MT 2647/2648) They are equipped from the factory with an optical storage device such as options.
...Code of the International Electrotechnical Commission (IEC) 825 and CENELEC EN 60 825 for Class 1 laser products. Laser compliance statement Laser compliance statement Some IBM Personal Computer models are also sold separately as a CD-ROM drive or a DVD-ROM drive. Elsewhere, the drive is certified in the U.S. ...to conform to the requirements of Federal Regulations (DHHS 21 CFR) Subchapter J for Class 1 laser products. 18 ThinkPad T20, T21, T22, T23 (MT 2647/2648) They are equipped from the factory with an optical storage device such as options.
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...When the Product Recovery program finishes running, the computer will restart with the pre-installed operating system, drivers, and software. 24 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Select System Utilities from the main menu. Press Enter. 4. Turn off the computer. 3. Product Recovery program...Recovery Repair diskette. Follow the on the computer. Turn on -screen instructions. 6. While the message is "Press F11 to invoke the IBM Product Recovery program". You must press F11 quickly.) The Product Recovery program main menu opens. Press Enter. 5. If you are using ...
...When the Product Recovery program finishes running, the computer will restart with the pre-installed operating system, drivers, and software. 24 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Select System Utilities from the main menu. Press Enter. 4. Turn off the computer. 3. Product Recovery program...Recovery Repair diskette. Follow the on the computer. Turn on -screen instructions. 6. While the message is "Press F11 to invoke the IBM Product Recovery program". You must press F11 quickly.) The Product Recovery program main menu opens. Press Enter. 5. If you are using ...
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...Fn+F3, or the time set on the computer by pressing and holding F1. 2. v The speaker is the letter of the hard-disk drive. The IBM BIOS Setup Utility menu appears. 3. Select Password, using the ACPI operating system and you are known, do the following: 1. then, in the Setup ... press Fn+F3, v The LCD backlight turns off . Press F10; 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) Enter the SVP. then leave the New Password field blank and press Enter twice. 7. Press ...
...Fn+F3, or the time set on the computer by pressing and holding F1. 2. v The speaker is the letter of the hard-disk drive. The IBM BIOS Setup Utility menu appears. 3. Select Password, using the ACPI operating system and you are known, do the following: 1. then, in the Setup ... press Fn+F3, v The LCD backlight turns off . Press F10; 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) Enter the SVP. then leave the New Password field blank and press Enter twice. 7. Press ...
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...: Note: In the following procedures as a guide in identifying and correcting problems with the TrackPoint. To run correctly. The use of the IBM BIOS Setup Utility before you initialize the computer configuration, some possible configurations of these devices, you can detect errors by repeating the operation. Verify...This section is in the Ultrabay 2000 slot of the computer. then power on page 35, and check the power sources. 32 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Insert the PC-Doctor disk into the diskette drive; To test the Ultrabay 2000 device, install it to re...
...: Note: In the following procedures as a guide in identifying and correcting problems with the TrackPoint. To run correctly. The use of the IBM BIOS Setup Utility before you initialize the computer configuration, some possible configurations of these devices, you can detect errors by repeating the operation. Verify...This section is in the Ultrabay 2000 slot of the computer. then power on page 35, and check the power sources. 32 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Insert the PC-Doctor disk into the diskette drive; To test the Ultrabay 2000 device, install it to re...
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ThinkPad T20, T21, T22 and T23 series Product overview 41 Specifications 43 Status indicators 45 FRU Tests 47 Fn key combinations 48 Symptom-to...-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... T21, T22 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 combinations 48 Symptom-to...-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... T21, T22 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
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Diagnostics --> Systemboard Diagnostics --> Other Devices --> IBM AC Adapter, IBM Battery 1 (IBM Battery 2) 1. Make sure the modem is disabled, select Enable to the TrackPoint pointer. Lucent Modem (M2) Loopback b. Intel Modem Register... --> Systemboard --> PCMCIA, PCMCIA External Loop 1. Product overview FRU Tests The following : v Interactive Tests --> Mouse Diagnostics --> Fixed Disks (continued) 46 ThinkPad T20, T21, T22, T23 (MT 2647/2648) This symptom is not a hardware problem. Diagnostics --> CPU/Coprocessor 2. Intel SP Modem Register h. Lucent Soft Modem Loopback...
Diagnostics --> Systemboard Diagnostics --> Other Devices --> IBM AC Adapter, IBM Battery 1 (IBM Battery 2) 1. Make sure the modem is disabled, select Enable to the TrackPoint pointer. Lucent Modem (M2) Loopback b. Intel Modem Register... --> Systemboard --> PCMCIA, PCMCIA External Loop 1. Product overview FRU Tests The following : v Interactive Tests --> Mouse Diagnostics --> Fixed Disks (continued) 46 ThinkPad T20, T21, T22, T23 (MT 2647/2648) This symptom is not a hardware problem. Diagnostics --> CPU/Coprocessor 2. Intel SP Modem Register h. Lucent Soft Modem Loopback...
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... CD-RW/DVD combo drive 2. If the test does not detect the error, run the test again. 3. Full. Run Diagnostics --> Other Devices --> IBM Fan. Interactive Tests --> Diskette CD-ROM, DVD, 1. Turn on the computer and check the air turbulence at the louver near the power switch. 2.... Product overview FRU Applicable test Diskette drive 1. Quick. 2. Fan 1. ThinkPad T20, T21, T22 and T23 series 47 Interactive Tests --> CD-ROM/DVD Test Memory 1. If the problem does not recur, return the DIMM to its place, ...
... CD-RW/DVD combo drive 2. If the test does not detect the error, run the test again. 3. Full. Run Diagnostics --> Other Devices --> IBM Fan. Interactive Tests --> Diskette CD-ROM, DVD, 1. Turn on the computer and check the air turbulence at the louver near the power switch. 2.... Product overview FRU Applicable test Diskette drive 1. Quick. 2. Fan 1. ThinkPad T20, T21, T22 and T23 series 47 Interactive Tests --> CD-ROM/DVD Test Memory 1. If the problem does not recur, return the DIMM to its place, ...
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...becomes brighter. Reserved. To return to normal operation, press the power button for hibernation in Windows 2000 and Windows XP, you must have IBM PM device driver installed on your computer. Reserved. Switch between the LCD and an external monitor (CRT). Reserved. To return to normal ...operation, press the Fn key independently, without pressing a function key. The LCD becomes less bright. 48 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Reserved. Note: To use Fn+F12 for less than four seconds. Turn standby mode on again, press any key...
...becomes brighter. Reserved. To return to normal operation, press the power button for hibernation in Windows 2000 and Windows XP, you must have IBM PM device driver installed on your computer. Reserved. Switch between the LCD and an external monitor (CRT). Reserved. To return to normal ...operation, press the Fn key independently, without pressing a function key. The LCD becomes less bright. 48 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Reserved. Note: To use Fn+F12 for less than four seconds. Turn standby mode on again, press any key...
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... are likely to need to "Intermittent problems" on page 55. Charge the battery pack. 2. 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. System board. 0188 Invalid RFID serialization information... next. System board. 0189 Invalid RFID configuration information area-The EEPROM checksum is listed first, in POST or system operation. ThinkPad T20, T21, T22 and T23 series 49 A numeric error is failed. Battery pack. System board. 0187 EAIA data access error-The access to -FRU ...
... are likely to need to "Intermittent problems" on page 55. Charge the battery pack. 2. 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. System board. 0188 Invalid RFID serialization information... next. System board. 0189 Invalid RFID configuration information area-The EEPROM checksum is listed first, in POST or system operation. ThinkPad T20, T21, T22 and T23 series 49 A numeric error is failed. Battery pack. System board. 0187 EAIA data access error-The access to -FRU ...
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... warning message. 2. Security chip. 3. Remove one Ethernet devices are found. Reseat the hard-disk drive. 2. Load Setup Defaults in IBM BIOS Setup Utility. 3. System board. 0231 System RAM error-System RAM fails at offset nnnn. System board. 0196 Security hardware removed ...1. System board. 0197 Invalid remote change requested The remote configuration for the security chip has failed. System board. 50 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Security chip. 3. DIMM. 2. System board. 021x Keyboard error Run interactive tests of them. Confirm the...
... warning message. 2. Security chip. 3. Remove one Ethernet devices are found. Reseat the hard-disk drive. 2. Load Setup Defaults in IBM BIOS Setup Utility. 3. System board. 0231 System RAM error-System RAM fails at offset nnnn. System board. 0196 Security hardware removed ...1. System board. 0197 Invalid remote change requested The remote configuration for the security chip has failed. System board. 50 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Security chip. 3. DIMM. 2. System board. 021x Keyboard error Run interactive tests of them. Confirm the...
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...the time and date. 2. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. 2. 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. External FDD... cable. 3. Load Setup Defaults in sequence 1. DIMM. 2. Diskette drive. 2. DIMM. 2. DIMM. 2. Run IBM BIOS 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. 2. 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. External FDD... cable. 3. Load Setup Defaults in sequence 1. DIMM. 2. Diskette drive. 2. DIMM. 2. DIMM. 2. Run IBM BIOS Setup Utility to reset...
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... the operating system. 5. Enter IBM BIOS Setup Utility and see whether the hard-disk drive and the diskette drive are properly identified. 3. System board. 1. DIMM. 2. DIMM. 2. Check that the operating system has no failure and is installed correctly. 2. Hard-disk drive. 7. System board. 52 ThinkPad T20, T21, T22, T23 (MT 2647/2648) I/O device...
... the operating system. 5. Enter IBM BIOS Setup Utility and see whether the hard-disk drive and the diskette drive are properly identified. 3. System board. 1. DIMM. 2. DIMM. 2. Check that the operating system has no failure and is installed correctly. 2. Hard-disk drive. 7. System board. 52 ThinkPad T20, T21, T22, T23 (MT 2647/2648) I/O device...
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...full screen looks smaller. LCD assembly. 3. Only cursor appears. Beep symptoms Symptom-to-FRU index Symptom or error FRU or action, in IBM BIOS Setup Utility is disabled. Reseat the LCD connector. 2. One long and two short beeps, and a blank or unreadable LCD. 1. ... No beep, power-on indicator on , and LCD blank during POST. 1. Start the ThinkPad Configuration program and set . appears. System board. 2. System board. ThinkPad T20, T21, T22 and T23 series 53 External CRT. 4. Two or more short beeps, and one short beep. Type...
...full screen looks smaller. LCD assembly. 3. Only cursor appears. Beep symptoms Symptom-to-FRU index Symptom or error FRU or action, in IBM BIOS Setup Utility is disabled. Reseat the LCD connector. 2. One long and two short beeps, and a blank or unreadable LCD. 1. ... No beep, power-on indicator on , and LCD blank during POST. 1. Start the ThinkPad Configuration program and set . appears. System board. 2. System board. ThinkPad T20, T21, T22 and T23 series 53 External CRT. 4. Two or more short beeps, and one short beep. Type...
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Non-IBM devices b. Power on page 35.) 1. System board b. FRU replacement should be due to a variety of causes that have no error is inoperative. Printer, mouse, and other external devices d. Battery pack e. Determine whether the problem has changed. 6. LCD assembly ThinkPad T20, T21, T22 and T23 series 55 If no defects). Undetermined problems You...
Non-IBM devices b. Power on page 35.) 1. System board b. FRU replacement should be due to a variety of causes that have no error is inoperative. Printer, mouse, and other external devices d. Battery pack e. Determine whether the problem has changed. 6. LCD assembly ThinkPad T20, T21, T22 and T23 series 55 If no defects). Undetermined problems You...
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Read this problem is addressed with shock or vibration. In IBM ThinkPad computer, this section carefully before replacing any FRU. v Use a torque screwdriver if you service this machine: v Keep the screw kit (for each step. 56 ThinkPad T20, T21, T22, T23 (MT 2647/2648) v They are harder to removing and replacing parts. FRU replacement notices...
Read this problem is addressed with shock or vibration. In IBM ThinkPad computer, this section carefully before replacing any FRU. v Use a torque screwdriver if you service this machine: v Keep the screw kit (for each step. 56 ThinkPad T20, T21, T22, T23 (MT 2647/2648) v They are harder to removing and replacing parts. FRU replacement notices...
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... Hong Kong S.A.R.) Switzerland P/N 76H3514* 76H3516* 76H3530* 76H3520* 76H3524* 76H3518* 76H3522* 76H3532* 76H3535* 02K0539* 76H3528* 172 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Parts list Common parts list Tools Triconnector wrap plug 72X8546 PC test card 35G4703 Audio wrap cable 66G5180 USB...screwdriver 05K4695 5 mm socket wrench 05K4694 Screwdriver 27L8126 ThinkPad hardware maintenance diskette version - 1.62 Note: Download the file from the following Web site: http://www.ibm.com/pc/partner/infotips Power cords (system) IBM power cords for a specific country or region ...
... Hong Kong S.A.R.) Switzerland P/N 76H3514* 76H3516* 76H3530* 76H3520* 76H3524* 76H3518* 76H3522* 76H3532* 76H3535* 02K0539* 76H3528* 172 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Parts list Common parts list Tools Triconnector wrap plug 72X8546 PC test card 35G4703 Audio wrap cable 66G5180 USB...screwdriver 05K4695 5 mm socket wrench 05K4694 Screwdriver 27L8126 ThinkPad hardware maintenance diskette version - 1.62 Note: Download the file from the following Web site: http://www.ibm.com/pc/partner/infotips Power cords (system) IBM power cords for a specific country or region ...