TravelMate 240/250 Service Guide
Page 109
... Failed at offset: nnnn DIMM System board Extended RAM Failed at xxxx:xxxx:xxxxh (R:xxxxh, W:xxxxh) Real Time Clock Error CMOS Battery Bad CMOS Checksum Error System disabled. Replace and run Setup Replace RTC battery and Run BIOS Setup Utility to reconfigure system time, then reboot system. Keyboard Controller Failed see "Keyboard or Auxiliary Input Device...
... Failed at offset: nnnn DIMM System board Extended RAM Failed at xxxx:xxxx:xxxxh (R:xxxxh, W:xxxxh) Real Time Clock Error CMOS Battery Bad CMOS Checksum Error System disabled. Replace and run Setup Replace RTC battery and Run BIOS Setup Utility to reconfigure system time, then reboot system. Keyboard Controller Failed see "Keyboard or Auxiliary Input Device...