[CentOS] My server reboots every hour! Help please!

Wed Jul 15 12:50:09 UTC 2009
Todor Petkov <zakk at online.bg>

Marko Vojinovic wrote:
> I have a machine here that resets itself every one hour (without my
> intention, of course):

I had a similar problem, it turned to be "wake on LAN" option in BIOS. 
Can you check if this option is ON on your side?