a little help please,my friends board runs "thens re-boots by it self.on or off internet,we diabled the auto cooling/rmp in the bios and it still re-boots.
hears what hes got in the system below.

ddr2-ocz reaper 4 gigs
9700 zalman cpu cooler
stock bios settings
wxp pro sp3
ocz 520 power supply
4870/512 diamond vc
any help will be greatful thanks