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Important service information This chapter presents following important service information: v "Strategy for replacing FRUs" - "Strategy for replacing a hard disk drive" on page 16 - "Important notice for replacing a system board" on page 16 - "How to use error message" on page 16v "Strategy for replacing FRUs for CTO, CMV, and GAV" on page 16 - "Product definition" on page 16 - "FRU identification for CTO, CMV, and GAV products" on pa...
Diagnostics using PC-Doctor for DOS The ThinkPad computer has a test program called PC-Doctor for DOS (hereafter called PC-Doctor.) You can detect errors by running the diagnostics test included in PC-Doctor. This section is an overview of the procedure. For details that depend on model-unique functions, refer to "ThinkPad T61, R61, and R61i (14.1-inch widescreen)" on page 45. For some possible configurations of the computer, PC-Doctor might...
Table 1. Numeric error codes (continued) Symptom or error FRU or action, in sequence 0177Bad SVP data, stop POST task-The checksum of the supervisor password in the EEPROM is not correct. System board. 0182Bad CRC2. Enter BIOS Setup and load Setup defaults.-The checksum of the CRS2 setting in the EEPROM is not correct. 1. Run BIOS Setup Utility. Press F9, and Enter to load the default setting. Then save the current setting by pressing ...
v If the timer conditions are satisfied in suspend mode. v If you are using the APM operating system and have set the mode to Hibernate when battery becomes low, and the battery charge becomes critically low.When the power is turned on, the computer returns from hibernation mode and resumes operation. The hibernation file in the boot record on the hard disk drive is read, and system status is restored from the hard disk drive. Symptom...
Note: To check whether the ThinkPad computer supports the Passphrase function, enter the BIOS Setup Utility and go to Security --> Password. If Using Passphrase item is displayed in the menu, this function is available on the ThinkPad computer. 3. Select Security, using the cursor directional keys to move down the menu. 4. Select Password. 5. Select Hard-disk x password, where x is the letter of the hard disk drive. A pop-up window ope...
How to remove the power-on password To remove a POP that you have forgotten, do the following: (A) If no SVP has been set: 1. Turn off the computer. 2. Remove the battery pack. For how to remove the battery pack, see "1010 Battery pack" on page 61. 3. Remove the backup battery. For how to remove the backup battery, see "1110 Backup battery" on page 79. 4. Turn on the computer and wait until the POST ends. After the POST ends, ...
Table 1. Numeric error codes (continued) Symptom or error FRU or action, in sequence 0230Shadow RAM error-Shadow RAM fails at offset nnnn. System board. 0231System RAM error-System RAM fails at offset nnnn. 1. DIMM. 2. System board. 0232Extended RAM error- Extended RAM fails at offset nnnn. 1. DIMM. 2. System board. 0250System battery error-System battery is dead. 1. Charge the backup battery for more than 8 hours by connecting the ac adapt...
Error messages Table 2. Error messages Symptom or error FRU or action, in sequence Device address conflict. 1. Load "Setup Defaults" in the BIOS Setup Utility. 2. Backup battery. 3. System board. Allocation error for device. 1. Load "Setup Defaults" in the BIOS Setup Utility. 2. Backup battery. 3. System board. Failing bits: nnnn. 1. DIMM. 2. System board. Invalid system configuration data. 1. DIMM. 2. System board. I/O device IRQ ...
8. When the recovery process is complete, the Welcome to Microsoft Windows screen is displayed. Follow the instructions on the screen to complete the Windows setup.Passwords As many as three passwords may be needed for any ThinkPad computer: the power-on password (POP), the hard-disk password (HDP), and the supervisor password (SVP). If any of these passwords has been set, a prompt for it appears on the screen whenever the computer is tu...
FRU tests The following table shows the test for each FRU. Table 9. FRU tests FRU Applicable test System board 1. Diagnostics --> CPU/Coprocessor 2. Diagnostics --> Systemboard 3. If the ThinkPad Advanced Dock, the ThinkPad Advanced Mini Dock or the ThinkPad Essential Port Replicator is attached to the ThinkPad computer, detach it. Place the computer on a horizontal surface, and run Diagnostics --> ThinkPad Devices --> HDD Active Protec...
