TravelMate 220 Service Guide
Page 92
... System board Extended RAM Failed at xxxx:xxxx:xxxxh (R:xxxxh, W:xxxxh) Real Time Clock Erro CMOS Battery Bad CMOS Checksum Erro Incorrect password specified, system disabled. (Text mode only) Battery critical LOW In this situation BIOS will show. Replace and run Setup Replace RTC battery and Run BIOS Setup Utility to reconfigure system time, then reboot system.
... System board Extended RAM Failed at xxxx:xxxx:xxxxh (R:xxxxh, W:xxxxh) Real Time Clock Erro CMOS Battery Bad CMOS Checksum Erro Incorrect password specified, system disabled. (Text mode only) Battery critical LOW In this situation BIOS will show. Replace and run Setup Replace RTC battery and Run BIOS Setup Utility to reconfigure system time, then reboot system.