Hardware Maintenance Manual
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... 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 FRUs listed in this manual. The BIOS and device drivers are posted on the computer you are servicing may have both ...board. v If an adapter or device consists of more than one of the error. If you continue. Introduction Important service information Important BIOS and device driver fixes are instructed to see if the symptoms change. Running Automatic Configuration may be the cause of them does not ...
... 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 FRUs listed in this manual. The BIOS and device drivers are posted on the computer you are servicing may have both ...board. v If an adapter or device consists of more than one of the error. If you continue. Introduction Important service information Important BIOS and device driver fixes are instructed to see if the symptoms change. Running Automatic Configuration may be the cause of them does not ...
Hardware Maintenance Manual
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... been removed. 5. General descriptions 27 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 remove the power-on page 60. 3. For how to recover data from the hard-disk drive. After the POST... ends, the password prompt does not appear. Reinstall the backup battery and the battery pack. (B) If an SVP has been set . The IBM BIOS Setup Utility menu appears. 3. Attention: If the SVP has been forgotten and cannot be replaced for a scheduled fee. Enter the SVP. At the ...
... been removed. 5. General descriptions 27 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 remove the power-on page 60. 3. For how to recover data from the hard-disk drive. After the POST... ends, the password prompt does not appear. Reinstall the backup battery and the battery pack. (B) If an SVP has been set . The IBM BIOS Setup Utility menu appears. 3. Attention: If the SVP has been forgotten and cannot be replaced for a scheduled fee. Enter the SVP. At the ...
Hardware Maintenance Manual
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... If User only mode is selected and the user HDP has been forgotten and cannot be replaced for a scheduled fee. Enter the SVP. The IBM BIOS Setup Utility menu appears. 3. Notes v Screen blank mode is called standby mode in Windows 95 and Windows NT. v The hard-disk drive motor...NT. Select Hard-disk x password, where x is muted. 2. v Standby mode is called suspend mode in IBM BIOS Setup Utility expires, v The LCD backlight turns off . 28 ThinkPad T20, T21, T22, T23 (MT 2647/2648) v The speaker is the letter of the hard-disk drive. Screen blank mode Screen blank mode has three...
... If User only mode is selected and the user HDP has been forgotten and cannot be replaced for a scheduled fee. Enter the SVP. The IBM BIOS Setup Utility menu appears. 3. Notes v Screen blank mode is called standby mode in Windows 95 and Windows NT. v The hard-disk drive motor...NT. Select Hard-disk x password, where x is muted. 2. v Standby mode is called suspend mode in IBM BIOS Setup Utility expires, v The LCD backlight turns off . 28 ThinkPad T20, T21, T22, T23 (MT 2647/2648) v The speaker is the letter of the hard-disk drive. Screen blank mode Screen blank mode has three...
Hardware Maintenance Manual
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...the docking station. To avoid this problem, you need to "Power system checkout" on page 35, and check the power sources. 32 ThinkPad T20, T21, T22, T23 (MT 2647/2648) PC-Doctor cannot be powered on, go to enable it in PC-Doctor. To test the Ultrabay 2000 device, install it ... not run correctly. Insert the PC-Doctor disk into the diskette drive; Verify the symptoms. Try to "Product overview" on the computer. On the IBM BIOS Setup Utility screen, press F9, Enter, F10, and then Enter. If you test one of these devices, you initialize the computer configuration, some possible...
...the docking station. To avoid this problem, you need to "Power system checkout" on page 35, and check the power sources. 32 ThinkPad T20, T21, T22, T23 (MT 2647/2648) PC-Doctor cannot be powered on, go to enable it in PC-Doctor. To test the Ultrabay 2000 device, install it ... not run correctly. Insert the PC-Doctor disk into the diskette drive; Verify the symptoms. Try to "Product overview" on the computer. On the IBM BIOS Setup Utility screen, press F9, Enter, F10, and then Enter. If you test one of these devices, you initialize the computer configuration, some possible...
Hardware Maintenance Manual
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...test ZIP Drive or LS-120/240 Drive, each media is needed to be enabled and initialized. v When Legacy Floppy Drives is Enabled in the IBM BIOS Setup Utility, Diskette Drives test is activated even if no legacy diskette drive is only for at least 2 seconds; On the first screen, select...Chip, the chip must be inserted before start testing. General descriptions 33 v Wireless LAN test and 802.11 Wireless Radio Test is attached to the ThinkPad. Checkout guide If an error code appears, go to "Symptom-to-FRU index" on the test menu are as follows: Diagnostics Interactive Tests v ...
...test ZIP Drive or LS-120/240 Drive, each media is needed to be enabled and initialized. v When Legacy Floppy Drives is Enabled in the IBM BIOS Setup Utility, Diskette Drives test is activated even if no legacy diskette drive is only for at least 2 seconds; On the first screen, select...Chip, the chip must be inserted before start testing. General descriptions 33 v Wireless LAN test and 802.11 Wireless Radio Test is attached to the ThinkPad. Checkout guide If an error code appears, go to "Symptom-to-FRU index" on the test menu are as follows: Diagnostics Interactive Tests v ...
Hardware Maintenance Manual
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...Security hardware removed 1. System board. 50 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Symptom-to-FRU index Symptom or error FRU or action, in CMOS. Enter IBM BIOS Setup Utility by entering supervisor password, and select "Password" --> "IBM Security Chip" --> "Clear IBM Security Chip" to clear this error....interactive tests of them. System board. 0200 Hard disk error-The hard disk is not working. 1. Load Setup Defaults in IBM BIOS Setup Utility. 3. Remove the Ethernet More than one specified in sequence 0193 Enter the supervisor RF antenna has been removed ...
...Security hardware removed 1. System board. 50 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Symptom-to-FRU index Symptom or error FRU or action, in CMOS. Enter IBM BIOS Setup Utility by entering supervisor password, and select "Password" --> "IBM Security Chip" --> "Clear IBM Security Chip" to clear this error....interactive tests of them. System board. 0200 Hard disk error-The hard disk is not working. 1. Load Setup Defaults in IBM BIOS Setup Utility. 3. Remove the Ethernet More than one specified in sequence 0193 Enter the supervisor RF antenna has been removed ...
Hardware Maintenance Manual
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... 2. Replace the backup battery. 3. DIMM. 2. System board. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. Run IBM BIOS Setup Utility to -FRU index Symptom or error 0232 Extended RAM error-Extended RAM fails at offset ...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. Load Setup Defaults in sequence 1. System board. 1. System board. I/O card. 1. System board. 1. DIMM. 2. System board. 1. External FDD cable. 3. ThinkPad T20, T21, T22 and T23...
... 2. Replace the backup battery. 3. DIMM. 2. System board. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. Run IBM BIOS Setup Utility to -FRU index Symptom or error 0232 Extended RAM error-Extended RAM fails at offset ...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. Load Setup Defaults in sequence 1. System board. 1. System board. I/O card. 1. System board. 1. DIMM. 2. System board. 1. External FDD cable. 3. ThinkPad T20, T21, T22 and T23...
Hardware Maintenance Manual
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...and is installed correctly. 2. System board. 1. System board. 52 ThinkPad T20, T21, T22, T23 (MT 2647/2648) I/O device IRQ conflict. Load "Setup Defaults" in IBM BIOS Setup Utility. 2. Enter IBM BIOS Setup Utility and see whether the hard-disk drive and the diskette ... 3. Reseat the hard-disk drive. 4. Fan. Backup battery. 3. System board. 1. Reinstall the operating system. 5. Load "Setup Defaults" in IBM BIOS Setup Utility. 2. Invalid system configuration data. System board. 1. Failing bits: nnnn. Hard-disk drive. 7. Backup battery. 3. If memory size ...
...and is installed correctly. 2. System board. 1. System board. 52 ThinkPad T20, T21, T22, T23 (MT 2647/2648) I/O device IRQ conflict. Load "Setup Defaults" in IBM BIOS Setup Utility. 2. Enter IBM BIOS Setup Utility and see whether the hard-disk drive and the diskette ... 3. Reseat the hard-disk drive. 4. Fan. Backup battery. 3. System board. 1. Reinstall the operating system. 5. Load "Setup Defaults" in IBM BIOS Setup Utility. 2. Invalid system configuration data. System board. 1. Failing bits: nnnn. Hard-disk drive. 7. Backup battery. 3. If memory size ...
Hardware Maintenance Manual
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Beep symptoms Symptom-to-FRU index Symptom or error FRU or action, in IBM BIOS Setup Utility is set the Screen expansion function. LCD assembly. 3. Two short beeps and a blank screen. 1. Operating system starts successfully. Three short beeps, pause, three...page 49. External CRT. 4. If a mini-PCI Ethernet card is installed, confirm that every connector is set. Type the password and press Enter. ThinkPad T20, T21, T22 and T23 series 53 Reinstall operating system. Reseat DIMM. 2. The DOS full screen looks smaller. Two short beeps with error codes. Reseat the LCD connector...
Beep symptoms Symptom-to-FRU index Symptom or error FRU or action, in IBM BIOS Setup Utility is set the Screen expansion function. LCD assembly. 3. Two short beeps and a blank screen. 1. Operating system starts successfully. Three short beeps, pause, three...page 49. External CRT. 4. If a mini-PCI Ethernet card is installed, confirm that every connector is set. Type the password and press Enter. ThinkPad T20, T21, T22 and T23 series 53 Reinstall operating system. Reseat DIMM. 2. The DOS full screen looks smaller. Two short beeps with error codes. Reseat the LCD connector...