Hardware Maintenance Manual
Page 7
... replacing parts Make sure that board, and then replace the other one. If you are installed before you are customer-installable. The BIOS and device drivers are posted on the computer you are servicing may be the cause of them does not correct the problem, reinstall... site http://www.ibm.com/pc/support Advise customers to see if the symptoms change. Use the following strategy to prevent unnecessary expense for assistance or download information. Introduction Important service information Important BIOS and device driver fixes are instructed to replace either the processor board or ...
... replacing parts Make sure that board, and then replace the other one. If you are installed before you are customer-installable. The BIOS and device drivers are posted on the computer you are servicing may be the cause of them does not correct the problem, reinstall... site http://www.ibm.com/pc/support Advise customers to see if the symptoms change. Use the following strategy to prevent unnecessary expense for assistance or download information. Introduction Important service information Important BIOS and device driver fixes are instructed to replace either the processor board or ...
Hardware Maintenance Manual
Page 33
... be used for a scheduled fee. Supervisor password: A supervisor password (SVP) protects the system information stored in order to get access to the IBM BIOS Setup Utility and make changes to the hard-disk drive. Remove the battery pack. For how to remove the backup battery, see "1010 Battery...the master HDP, or to remove the power-on the computer and wait until the POST ends. The POP has been removed. 5. The IBM BIOS Setup Utility menu appears. 3. General descriptions 27 Attention: If the SVP has been forgotten and cannot be replaced for access to system configuration ...
... be used for a scheduled fee. Supervisor password: A supervisor password (SVP) protects the system information stored in order to get access to the IBM BIOS Setup Utility and make changes to the hard-disk drive. Remove the battery pack. For how to remove the backup battery, see "1010 Battery...the master HDP, or to remove the power-on the computer and wait until the POST ends. The POP has been removed. 5. The IBM BIOS Setup Utility menu appears. 3. General descriptions 27 Attention: If the SVP has been forgotten and cannot be replaced for access to system configuration ...
Hardware Maintenance Manual
Page 34
...letter of the hard-disk drive. Select Hard-disk x password, where x is muted. 2. If you press Fn+F3, v The LCD backlight turns off. 28 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Related service information 8. Both user HDP and master HDP will have been removed. v The hard-disk drive motor... and the master HDP are using the cursor keys to remove the hard-disk password Attention: If User only mode is called suspend mode in IBM BIOS Setup Utility expires, v The LCD backlight turns off timer" in Windows 95 and Windows NT. Enter the SVP. then leave the New Password ...
...letter of the hard-disk drive. Select Hard-disk x password, where x is muted. 2. If you press Fn+F3, v The LCD backlight turns off. 28 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Related service information 8. Both user HDP and master HDP will have been removed. v The hard-disk drive motor... and the master HDP are using the cursor keys to remove the hard-disk password Attention: If User only mode is called suspend mode in IBM BIOS Setup Utility expires, v The LCD backlight turns off timer" in Windows 95 and Windows NT. Enter the SVP. then leave the New Password ...
Hardware Maintenance Manual
Page 38
... supports the docking station. If you test one of the IBM BIOS Setup Utility before you can select an item not only with the arrow keys, but also with the ThinkPad computer. then power on page 35, and check the power sources. 32 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Note: The ...diagnostic tests are disabled, such as follows: Note: In the following procedures as a guide in PC-Doctor. The use of these devices, you will need to initialize the computer setup by using PS2.EXE. On the IBM BIOS Setup Utility screen...
... supports the docking station. If you test one of the IBM BIOS Setup Utility before you can select an item not only with the arrow keys, but also with the ThinkPad computer. then power on page 35, and check the power sources. 32 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Note: The ...diagnostic tests are disabled, such as follows: Note: In the following procedures as a guide in PC-Doctor. The use of these devices, you will need to initialize the computer setup by using PS2.EXE. On the IBM BIOS Setup Utility screen...
Hardware Maintenance Manual
Page 39
... key is not recognized in the Stereo Speaker in the Interactive Tests. otherwise, it , use the audio device test in the 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 Wireless LAN test and 802.11... Wireless Radio Test is attached to the ThinkPad. v The sound card is scanned only once. Some models do not have them. To test it cannot be enabled and initialized. General descriptions 33 v When...
... key is not recognized in the Stereo Speaker in the Interactive Tests. otherwise, it , use the audio device test in the 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 Wireless LAN test and 802.11... Wireless Radio Test is attached to the ThinkPad. v The sound card is scanned only once. Some models do not have them. To test it cannot be enabled and initialized. General descriptions 33 v When...
Hardware Maintenance Manual
Page 56
... More than one of the keyboard and the auxiliary input device. 0220 Monitor type error-Monitor type does not match the one specified in IBM BIOS Setup Utility. 0230 Shadow RAM error-Shadow RAM fails at offset nnnn. 1. or press Esc to continue. Hard-disk drive. 4. System..." to -FRU index Symptom or error FRU or action, in IBM BIOS Setup Utility. 3. Symptom-to clear this error. 2. 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) System board....
... More than one of the keyboard and the auxiliary input device. 0220 Monitor type error-Monitor type does not match the one specified in IBM BIOS Setup Utility. 0230 Shadow RAM error-Shadow RAM fails at offset nnnn. 1. or press Esc to continue. Hard-disk drive. 4. System..." to -FRU index Symptom or error FRU or action, in IBM BIOS Setup Utility. 3. Symptom-to clear this error. 2. 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) System board....
Hardware Maintenance Manual
Page 57
...board. 1. System board. 1. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. 2. Diskette drive. 2. I/O card. 1. ThinkPad T20, T21, T22 and T23 series 51 System board. Replace... the backup battery and run IBM BIOS Setup Utility to reset the time and date. ...
...board. 1. System board. 1. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. 2. Diskette drive. 2. I/O card. 1. ThinkPad T20, T21, T22 and T23 series 51 System board. Replace... the backup battery and run IBM BIOS Setup Utility to reset the time and date. ...
Hardware Maintenance Manual
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I/O device IRQ conflict. Hibernation error. FRU or action, in IBM BIOS Setup Utility. 2. Load "Setup Defaults" in sequence 1. DIMM. 2. Load "Setup Defaults" in IBM BIOS Setup Utility. 2. Backup battery. 3. Diskette drive. 6. System board. 52 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Load "Setup Defaults" in IBM BIOS Setup Utility. 2. System board. 1. Reinstall the operating system. 5. If memory...
I/O device IRQ conflict. Hibernation error. FRU or action, in IBM BIOS Setup Utility. 2. Load "Setup Defaults" in sequence 1. DIMM. 2. Load "Setup Defaults" in IBM BIOS Setup Utility. 2. Backup battery. 3. Diskette drive. 6. System board. 52 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Load "Setup Defaults" in IBM BIOS Setup Utility. 2. System board. 1. Reinstall the operating system. 5. If memory...
Hardware Maintenance Manual
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... press Enter. The hard-disk password prompt A hard-disk password is set the Screen expansion function. Start the ThinkPad Configuration program and set . Two short beeps with error codes. If a mini-PCI Ethernet card is installed, ...beeps and a blank screen. 1. System board. 2. DIMM. The power-on page 49. System board. 2. DIMM. 2. appears. ThinkPad T20, T21, T22 and T23 series 53 One long and two short beeps, and a blank or unreadable LCD. 1. Three short beeps... Symptom-to-FRU index Symptom or error FRU or action, in IBM BIOS Setup Utility is disabled.
... press Enter. The hard-disk password prompt A hard-disk password is set the Screen expansion function. Start the ThinkPad Configuration program and set . Two short beeps with error codes. If a mini-PCI Ethernet card is installed, ...beeps and a blank screen. 1. System board. 2. DIMM. The power-on page 49. System board. 2. DIMM. 2. appears. ThinkPad T20, T21, T22 and T23 series 53 One long and two short beeps, and a blank or unreadable LCD. 1. Three short beeps... Symptom-to-FRU index Symptom or error FRU or action, in IBM BIOS Setup Utility is disabled.