Lenovo ThinkPad 390E ThinkPad 390 / i Series 1720 models Hardware Maintenance - Page 43
Symptom/Error, FRU/Action in Sequence, Go to Diskette Drive Checkout - cmos battery
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Symptom/Error 0230 Shadow RAM Failed at offset:nnnn 0231 System RAM Failed at offset:nnnn 0232 Extended RAM Failed at offset:nnnn 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 FRU/Action in Sequence 1. BIOS ROM 2. Planar board 1. DIMM 2. Planar board 1. DIMM 2. Planar board 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. Planar board 1. Backtup battery (RTC) 2. Run BIOS Setup Utility to reconfigure the system, then reboot the system. 3. Planar board 1. Load Setup Defaults in the BIOS Setup Utility. 2. Backup battery (RTC) 3. Planar board 1. Load Setup Defaults in the BIOS Setup Utility. 2. DIMM 3. Planar 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 25. ThinkPad 390/i Series 1700 35