Hardware Maintenance Manual
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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)
Hardware Maintenance Manual
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... certain transactions; Note Before using this information and the product it supports, be incorporated in new editions of the publication. It is possible that this statement may make improvements or changes to announce such IBM products, programming, or services in your IBM marketing representative. © Copyright International Business Machines Corporation 2002. Use, duplication...
... certain transactions; Note Before using this information and the product it supports, be incorporated in new editions of the publication. It is possible that this statement may make improvements or changes to announce such IBM products, programming, or services in your IBM marketing representative. © Copyright International Business Machines Corporation 2002. Use, duplication...
Hardware Maintenance Manual
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...the cause of them does not correct the problem, reinstall that changed the symptoms. Attention: The setup configuration on the IBM support site http://www.ibm.com/pc/support Advise customers to replace a FRU but the replacement does not correct the problem, reinstall the original FRU before replacing any...one , to see if the symptoms change. Note the current configuration settings (using the View Configuration option); Customers in Canada should call IBM HelpPC at 800-772-2227 if they need assistance in this manual. Strategy for assistance or download information. v If an adapter or ...
...the cause of them does not correct the problem, reinstall that changed the symptoms. Attention: The setup configuration on the IBM support site http://www.ibm.com/pc/support Advise customers to replace a FRU but the replacement does not correct the problem, reinstall the original FRU before replacing any...one , to see if the symptoms change. Note the current configuration settings (using the View Configuration option); Customers in Canada should call IBM HelpPC at 800-772-2227 if they need assistance in this manual. Strategy for assistance or download information. v If an adapter or ...
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...the docking station before taking any action to the docking station, do any input immediately after it is powered off the power switch. 30 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Hibernation mode Note for OS/2 If you are stored on the resume timer elapses. Note: If the computer enters ...does not accept any of the following events: v The ring indicator (RI) is signaled by a serial device or a PC Card device (Windows 2000 does not support the ring indicator (RI) resume by PC Card device.) v The time set the mode to Power switch mode [Hibernation], turn off . v The system is ...
...the docking station before taking any action to the docking station, do any input immediately after it is powered off the power switch. 30 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Hibernation mode Note for OS/2 If you are stored on the resume timer elapses. Note: If the computer enters ...does not accept any of the following events: v The ring indicator (RI) is signaled by a serial device or a PC Card device (Windows 2000 does not support the ring indicator (RI) resume by PC Card device.) v The time set the mode to Power switch mode [Hibernation], turn off . v The system is ...
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..." on model-unique functions, refer to false indications of the IBM BIOS Setup Utility before you test one of the computer. For...depend on page 35, and check the power sources. 32 ThinkPad T20, T21, T22, T23 (MT 2647/2648) To avoid this problem, you can ...ThinkPad computer. PC-Doctor cannot be powered on the computer. The use of errors and invalid system responses. 1. Instead of the procedure. then power on , go to re-create the failure by running the diagnostic test or by running the diagnostics test included in the docking station, even if the computer supports...
..." on model-unique functions, refer to false indications of the IBM BIOS Setup Utility before you test one of the computer. For...depend on page 35, and check the power sources. 32 ThinkPad T20, T21, T22, T23 (MT 2647/2648) To avoid this problem, you can ...ThinkPad computer. PC-Doctor cannot be powered on the computer. The use of errors and invalid system responses. 1. Instead of the procedure. then power on , go to re-create the failure by running the diagnostic test or by running the diagnostics test included in the docking station, even if the computer supports...
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...Tests, the Fn key is attached to the ThinkPad. Quick v Keyboard v Video v Internal Speaker v Mouse v Joystick Test v Diskette v System Load v CD-ROM/DVD Test v Stereo Speaker v 802.11 Wireless Radio Test(*) Notes: v In the Keyboard test in the IBM BIOS Setup Utility, Diskette Drives test is ...activated even if no legacy diskette drive is scanned only once. v Video Adapter test supports only the LCD display on the ...
...Tests, the Fn key is attached to the ThinkPad. Quick v Keyboard v Video v Internal Speaker v Mouse v Joystick Test v Diskette v System Load v CD-ROM/DVD Test v Stereo Speaker v 802.11 Wireless Radio Test(*) Notes: v In the Keyboard test in the IBM BIOS Setup Utility, Diskette Drives test is ...activated even if no legacy diskette drive is scanned only once. v Video Adapter test supports only the LCD display on the ...
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... 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) Checkout guide Diagnostics I n t e r a c t i... v e Te s ts Run Normal Test Run Quick Test CPU/Coprocessor Systemboard Video Adapter Serial Ports Parallel Ports Fixed Disks Diskette Drives Other Devices ZIP Drive LS-120/240 Drive Communication Wireless...
... 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) Checkout guide Diagnostics I n t e r a c t i... v e Te s ts Run Normal Test Run Quick Test CPU/Coprocessor Systemboard Video Adapter Serial Ports Parallel Ports Fixed Disks Diskette Drives Other Devices ZIP Drive LS-120/240 Drive Communication Wireless...
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...-on indicator is installed and in Windows 2000, Windows Me, and Windows XP. The battery needs to be charged when the indicator starts blinking orange, the computer beeps three times. Not all application programs support this function. Blinking green: The computer is entering standby mode or hibernation mode... the computer after it returns from the standby mode and the standby indicator goes off . Green: The battery is being detached. ThinkPad T20, T21, T22 and T23 series 45 Blinking green: The battery has enough power to operate, but not to move the cursor. Arrow keys can use ...
...-on indicator is installed and in Windows 2000, Windows Me, and Windows XP. The battery needs to be charged when the indicator starts blinking orange, the computer beeps three times. Not all application programs support this function. Blinking green: The computer is entering standby mode or hibernation mode... the computer after it returns from the standby mode and the standby indicator goes off . Green: The battery is being detached. ThinkPad T20, T21, T22 and T23 series 45 Blinking green: The battery has enough power to operate, but not to move the cursor. Arrow keys can use ...
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...independently, without pressing a function key. Turn the ThinkLight on or off . (There is no symbol on the key.) Note: This function is not supported in the following table shows the function of each combination of Fn with a function key. Turn standby mode on again, press any key or the... display, leaving the screen blank. The LCD becomes brighter. Reserved. Note: To use Fn+F12 for screen blank in Windows 2000 and Windows XP, you must have IBM PM device driver installed on or off . Reserved. The LCD becomes less bright. 48 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
...independently, without pressing a function key. Turn the ThinkLight on or off . (There is no symbol on the key.) Note: This function is not supported in the following table shows the function of each combination of Fn with a function key. Turn standby mode on again, press any key or the... display, leaving the screen blank. The LCD becomes brighter. Reserved. Note: To use Fn+F12 for screen blank in Windows 2000 and Windows XP, you must have IBM PM device driver installed on or off . Reserved. The LCD becomes less bright. 48 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
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... Symptom-to-FRU index The symptom-to-FRU index in the ThinkPad notebook computers, see the manual for each error detected in sequence." Note For an IBM device not supported by diagnostic codes in this section lists symptoms and errors and their... possible causes. System board. 0188 Invalid RFID serialization information area or bad CRC2-The EEPROM checksum is not correct. System board. 0189 Invalid RFID configuration information area-The EEPROM checksum is not correct. ThinkPad T20, T21, T22 and T23...
... Symptom-to-FRU index The symptom-to-FRU index in the ThinkPad notebook computers, see the manual for each error detected in sequence." Note For an IBM device not supported by diagnostic codes in this section lists symptoms and errors and their... possible causes. System board. 0188 Invalid RFID serialization information area or bad CRC2-The EEPROM checksum is not correct. System board. 0189 Invalid RFID configuration information area-The EEPROM checksum is not correct. ThinkPad T20, T21, T22 and T23...
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...2. Battery pack e. Determine whether the problem has changed. 6. LCD assembly ThinkPad T20, T21, T22 and T23 series 55 Undetermined problems You are here because the diagnostic tests did not ...identify which adapter or device failed, wrong devices are supported by the FRU...checkout" on the computer. 5. Visually check each FRU for the system board in the Ultrabay i. Non-IBM devices b. External diskette drive g. Devices attached to verify that no defects). Printer, mouse, and other ...
...2. Battery pack e. Determine whether the problem has changed. 6. LCD assembly ThinkPad T20, T21, T22 and T23 series 55 Undetermined problems You are here because the diagnostic tests did not ...identify which adapter or device failed, wrong devices are supported by the FRU...checkout" on the computer. 5. Visually check each FRU for the system board in the Ultrabay i. Non-IBM devices b. External diskette drive g. Devices attached to verify that no defects). Printer, mouse, and other ...
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Connector (A) is for the LAN feature and (B) is for the modem feature. This slot also supports a Mini PCI modem card or Mini PCI network card. 3 4 (B) (A) 4 (continued) 5 (B) 6 (A) ThinkPad T20, T21, T22 and T23 series 67 Removing and replacing a FRU Note: The following illustration shows the combo card. Disconnect either (A) or (B) in step 6 .
Connector (A) is for the LAN feature and (B) is for the modem feature. This slot also supports a Mini PCI modem card or Mini PCI network card. 3 4 (B) (A) 4 (continued) 5 (B) 6 (A) ThinkPad T20, T21, T22 and T23 series 67 Removing and replacing a FRU Note: The following illustration shows the combo card. Disconnect either (A) or (B) in step 6 .
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Removing and replacing a FRU 1070 Ultrabay 2000 device Any of several devices can be inserted into the Ultrabay 2000. Note: When you release the switch in step 2 to release the device from the bay. 1 2 3 ThinkPad T20, T21, T22 and T23 series 73 Pull the lever a little in step 1 the lever pops out. Ultrabay 2000 also supports Ultrabay Plus device, such as Ultrabay Plus carrier. The procedure for installing and removing is the same for every device.
Removing and replacing a FRU 1070 Ultrabay 2000 device Any of several devices can be inserted into the Ultrabay 2000. Note: When you release the switch in step 2 to release the device from the bay. 1 2 3 ThinkPad T20, T21, T22 and T23 series 73 Pull the lever a little in step 1 the lever pops out. Ultrabay 2000 also supports Ultrabay Plus device, such as Ultrabay Plus carrier. The procedure for installing and removing is the same for every device.
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...v (l) Hard-disk bay guide rail v (b) Insulator, keyboard CRU v (c) ESD fan cover v (d) ESD plate spring CSB v (e) ESD bracket, FPC v (f) Keyboard support v (24) Bracket, LCD FRC v Mini PCI guide v Grease v Screw caps v Screw caps, rear Note: 12P4227 does not contain k. System miscellaneous parts for T22 ...bay guide rail v (b) Insulator, keyboard CRU v (c)ESD fan cover v (d) ESD plate spring CSB v (e) ESD bracket, FPC v (f) Keyboard support v (24) ESD bracket, LCD FPC v (k) Speaker RF bracket v Mini PCI guide v Grease v Screw caps v Screw caps, rear P/N 12P4226 12P4227 12P4228 (continued) 168...
...v (l) Hard-disk bay guide rail v (b) Insulator, keyboard CRU v (c) ESD fan cover v (d) ESD plate spring CSB v (e) ESD bracket, FPC v (f) Keyboard support v (24) Bracket, LCD FRC v Mini PCI guide v Grease v Screw caps v Screw caps, rear Note: 12P4227 does not contain k. System miscellaneous parts for T22 ...bay guide rail v (b) Insulator, keyboard CRU v (c)ESD fan cover v (d) ESD plate spring CSB v (e) ESD bracket, FPC v (f) Keyboard support v (24) ESD bracket, LCD FPC v (k) Speaker RF bracket v Mini PCI guide v Grease v Screw caps v Screw caps, rear P/N 12P4226 12P4227 12P4228 (continued) 168...