Well, that seems the best to start.

This is what I found on the via hardware site that is somewhat related to our prob.

h**p://bbs.pcstats.com/viahardware/messageview.cfm?catid=18&threadid=7670

This seems to happen with VIA K7V-T mobo's also???

There have been a couple post about geforce/VIA Chipset conflicts, but no fixes from what I can see.