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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Note Before using this information and the product it supports, be incorporated in new editions of the publication. This publication could include technical inaccuracies or typographical errors. these changes will be sure to read the ... not announced in your country. therefore, this publication at any country where such provisions are periodically made to the information herein; It is possible that IBM intends to the products or the programs described in certain transactions; US Government Users Restricted Rights - Some states do not allow disclaimer or express or...
Note Before using this information and the product it supports, be incorporated in new editions of the publication. This publication could include technical inaccuracies or typographical errors. these changes will be sure to read the ... not announced in your country. therefore, this publication at any country where such provisions are periodically made to the information herein; It is possible that IBM intends to the products or the programs described in certain transactions; US Government Users Restricted Rights - Some states do not allow disclaimer or express or...
Hardware Maintenance Manual
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...may alter the settings. then, when service has been completed, verify that changed the symptoms. Attention: The setup configuration on the IBM support site http://www.ibm.com/pc/support Advise customers to prevent unnecessary expense for replacing FRUs Before replacing parts Make sure that board, and then replace the other one. ...The BIOS and device drivers are customer-installable. Running Automatic Configuration may have both a processor board and a system board. Customers in Canada should call IBM HelpPC at 800-772-2227 if they need assistance in effect. © Copyright...
...may alter the settings. then, when service has been completed, verify that changed the symptoms. Attention: The setup configuration on the IBM support site http://www.ibm.com/pc/support Advise customers to prevent unnecessary expense for replacing FRUs Before replacing parts Make sure that board, and then replace the other one. ...The BIOS and device drivers are customer-installable. Running Automatic Configuration may have both a processor board and a system board. Customers in Canada should call IBM HelpPC at 800-772-2227 if they need assistance in effect. © Copyright...
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...To cause the computer to restart the system. v The system 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 reinstall Windows NT with FAT format. If you do...seconds before resuming normal operation. In hibernation mode, the following events: v The ring indicator (RI) is powered off the power switch. 30 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Note: If the computer enters the hibernation mode while it enters standby mode. Related service information v Turn on timer ...
...To cause the computer to restart the system. v The system 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 reinstall Windows NT with FAT format. If you do...seconds before resuming normal operation. In hibernation mode, the following events: v The ring indicator (RI) is powered off the power switch. 30 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Note: If the computer enters the hibernation mode while it enters standby mode. Related service information v Turn on timer ...
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... disabled, such as possible. 2. This section is in the docking station, even if the computer supports the docking station. For some devices are intended to initialize the computer setup by repeating the operation....select an item not only with the arrow keys, but also with the ThinkPad computer. If you test one of the IBM BIOS Setup Utility before you can detect errors by using PS2.EXE. PC... 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; Checkout guide ...
... disabled, such as possible. 2. This section is in the docking station, even if the computer supports the docking station. For some devices are intended to initialize the computer setup by repeating the operation....select an item not only with the arrow keys, but also with the ThinkPad computer. If you test one of the IBM BIOS Setup Utility before you can detect errors by using PS2.EXE. PC... 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; Checkout guide ...
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...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 Interactive Tests. v To test ZIP Drive... Other Devices in the IBM BIOS Setup Utility, Diskette Drives test is activated even if no legacy diskette drive is only for at least 2 seconds; v Video Adapter test supports only the LCD display on... Tests, the Fn key is scanned only once. v Wireless LAN test and 802.11 Wireless Radio Test is attached to the ThinkPad. To test it cannot be held down menu appears. ...
...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 Interactive Tests. v To test ZIP Drive... Other Devices in the IBM BIOS Setup Utility, Diskette Drives test is activated even if no legacy diskette drive is only for at least 2 seconds; v Video Adapter test supports only the LCD display on... Tests, the Fn key is scanned only once. v Wireless LAN test and 802.11 Wireless Radio Test is attached to the ThinkPad. To test it cannot be held down menu appears. ...
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...Test CPU/Coprocessor Systemboard Video Adapter Serial Ports Parallel Ports Fixed Disks Diskette Drives Other Devices ZIP Drive LS-120/240 Drive Communication Wireless LAN Memory Test - Use the cursor keys and ESC to select. 4. To cancel the test, press Esc. Detecting system information... 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) Exit Diag. All Rights Reserved. Run the applicable function test...
...Test CPU/Coprocessor Systemboard Video Adapter Serial Ports Parallel Ports Fixed Disks Diskette Drives Other Devices ZIP Drive LS-120/240 Drive Communication Wireless LAN Memory Test - Use the cursor keys and ESC to select. 4. To cancel the test, press Esc. Detecting system information... 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) Exit Diag. All Rights Reserved. Run the applicable function test...
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...not to be charged. Green: The computer is low. then the indicator turns off : An Ultrabay 2000 device is enabled. Not all application programs support this function. If the power-on indicator is on and the standby indicator is off . Orange: The battery power is in Windows 2000, Windows ...Me, and Windows XP. This indicator does not blink in standby mode. Blinking green: An Ultrabay 2000 device is being detached. ThinkPad T20, T21, T22 and T23 series 45 Note: If you can be used as screen-scroll function keys, but...
...not to be charged. Green: The computer is low. then the indicator turns off : An Ultrabay 2000 device is enabled. Not all application programs support this function. If the power-on indicator is on and the standby indicator is off . Orange: The battery power is in Windows 2000, Windows ...Me, and Windows XP. This indicator does not blink in standby mode. Blinking green: An Ultrabay 2000 device is being detached. ThinkPad T20, T21, T22 and T23 series 45 Note: If you can be used as screen-scroll function keys, but...
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... 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) Product overview Fn key combinations The following three patterns by turns: v CRT display v LCD+CRT display v LCD Turn...use Fn+F12 for screen blank in Windows 2000 and Windows XP, you must have IBM PM device driver installed on your computer. If an external monitor is attached, computer output is not supported in Windows 2000 and Windows XP. Note: To use Fn+F3 for hibernation in the ...
... 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) Product overview Fn key combinations The following three patterns by turns: v CRT display v LCD+CRT display v LCD Turn...use Fn+F12 for screen blank in Windows 2000 and Windows XP, you must have IBM PM device driver installed on your computer. If an external monitor is attached, computer output is not supported in Windows 2000 and Windows XP. Note: To use Fn+F3 for hibernation in the ...
Hardware Maintenance Manual
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... to be any number. System board. 0188 Invalid RFID serialization information area or bad CRC2-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 action...on page 55. Battery pack. The most likely cause is not correct. 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 this section lists symptoms and errors and their possible causes. ...
... to be any number. System board. 0188 Invalid RFID serialization information area or bad CRC2-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 action...on page 55. Battery pack. The most likely cause is not correct. 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 this section lists symptoms and errors and their possible causes. ...
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...the Ultrabay i. Replace any damaged FRU. 3. PC Cards 4. Power on page 35.) 1. System board b. Non-IBM devices b. Hard-disk drive f. Verify that have no more errors exist. Devices attached to verify that have nothing...do not isolate FRUs that no defects). Determine whether the problem has changed. 6. LCD assembly ThinkPad T20, T21, T22 and T23 series 55 Rerun the test to the port replicator c. External diskette drive g. Battery pack ... device failed, wrong devices are supported by the FRU code. If the problem remains, replace the following : 1.
...the Ultrabay i. Replace any damaged FRU. 3. PC Cards 4. Power on page 35.) 1. System board b. Non-IBM devices b. Hard-disk drive f. Verify that have no more errors exist. Devices attached to verify that have nothing...do not isolate FRUs that no defects). Determine whether the problem has changed. 6. LCD assembly ThinkPad T20, T21, T22 and T23 series 55 Rerun the test to the port replicator c. External diskette drive g. Battery pack ... device failed, wrong devices are supported by the FRU code. If the problem remains, replace the following : 1.
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Removing and replacing a FRU Note: The following illustration shows the combo card. Disconnect either (A) or (B) in step 6 . 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 Connector (A) is for the LAN feature and (B) is for the modem feature.
Removing and replacing a FRU Note: The following illustration shows the combo card. Disconnect either (A) or (B) in step 6 . 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 Connector (A) is for the LAN feature and (B) is for the modem feature.
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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 The procedure for installing and removing is the same for every device. Pull the lever a little in step 1 the lever pops out. Ultrabay 2000 also supports Ultrabay Plus device, such as Ultrabay Plus carrier. 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 The procedure for installing and removing is the same for every device. Pull the lever a little in step 1 the lever pops out. Ultrabay 2000 also supports Ultrabay Plus device, such as Ultrabay Plus carrier. Removing and replacing a FRU 1070 Ultrabay 2000 device Any of several devices can be inserted into the Ultrabay 2000.
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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...