BIOS ROM checksum error – System halted
The checksum of the BIOS code in the BIOS chip is incorrect, indicating the BIOS code may have become corrupt. Contact your system dealer to replace the BIOS.
CMOS battery failed
The CMOS battery is no longer functional. Contact your system dealer for a replacement battery.
CMOS checksum error – Defaults loaded
Checksum of CMOS is incorrect, so the system loads the default equipment configuration. A checksum error may indicate that CMOS has become corrupt. This error may have been caused by a weak battery. Check the battery and replace if necessary.