DFI CW35 Series User Manual page 80

B
System Error Message
Appendix B - System Error Message
B.1 POST Beep
B.2 Error Messages
CMOS BATTERY HAS FAILED
CMOS CHECKSUM ERROR
DISPLAY SWITCH IS SET INCORRECTLY
Caution:
Danger of explosion if battery incorrectly replaced. Replace only
with the same or equivalent type recommended by the
manufacturer. Dispose of used batteries according to the
battery manufacturer’s instructions.