Lenovo ThinkPad 390E Hardware Maintenance Manual (March 1999): ThinkPad 390E o - Page 51
Symptom/Error, FRU/Action in Sequence, Load Setup Defaults in the BIOS - cmos battery
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Symptom/Error 0250 System battery is dead - Replace and run SETUP 0251 System CMOS checksum bad - Default configuration used 0260 System timer error 0270 Real time clock error 0280 Previous boot incomplete - Default configuration used 0281 Memory size found by POST differed from CMOS 02B0 Diskette drive A error 02B2 Incorrect Drive A type - run SETUP 02D0 System cache error - Cache disabled 02F0 CPU ID: FRU/Action in Sequence Replace backup battery (RTC) and run BIOS Setup Utility to reconfigure the system time, then reboot the system. 1. Backup battery (RTC) 2. Run BIOS Setup Utility to reconfigure the system, then reboot the system. 1. Backtup battery (RTC) 2. Run BIOS Setup Utility to reconfigure the system, then reboot the system. 3. System board 1. Backtup battery (RTC) 2. Run BIOS Setup Utility to reconfigure the system, then reboot the system. 3. System board 1. Load Setup Defaults in the BIOS Setup Utility. 2. Backup battery (RTC) 3. System board 1. Load Setup Defaults in the BIOS Setup Utility. 2. DIMM 3. System board 1. Check that the drive is defined with the proper diskette type in BIOS Setup Utility. 2. Go to "Diskette Drive Checkout" on page 28. 1. Check that the drive is defined with the proper diskette type in BIOS Setup Utility. 2. Go to "Diskette Drive Checkout" on page 28. 1. CPU card 2. System board 1. CPU card 2. System board ThinkPad 390E 41