What is checksum? A checksum is an algorithm that is used in various programs, especially downloaded ones, to ensure the integrity of a file. What causes the CMOS checksum error?

Fix The CMOS checksum is invalid, The CMOS will reset to the default configuration, and the computer will restart CMOS, Reset (502) on HP PC.

At this point I get a (checksum fault - defaults loaded). It instructs me to (press f1) to continue or (del key) to reset the BIOS. This is where it stops.

So I just got my NF750-G55 motherboard, Phenom II x6 1090T, and G.SKILL Ripjaws Series 8GB (2 x 4GB) memory in. I hooked up a Zumax ZU-500W power supply, a ...

System CMOS checksum bad–default configuration used.'” Robert says he’s tried contacting both Phoenix Technologies (makers of the BIOS) and Emachines, and neither company could help.

What the heck happened. Rebooted friends comp doing fresh stuff and his mobo reported that and said its going to load default settings. His mobo is an Iwill XP-333-R. Win2k SP3 would be the OS ...