Jeff, I don't know the answer but this error message was discussed
here last August. Here's the url to the original message in the thread;
http://maelstrom.stjohns.edu/CGI/wa.exe?A2=ind0008&L=pcbuild&F=&S=&P=12844

Hopefully you'll find a clue there.
Larry Hooper

Original message:

> just installed new mobo FIC AD11.This is the second one.
> The first one had the same problem. I keep getting a
> check sum error. Everyone has told me it's the battery
> but it's not. I replaced the battery both times and this
> did not correct the problem. The bios guard cannot be
> disabled and I can't change anything in the CMOS or mobo
> setup because it won't load anything but fail safe defaults.

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