[Yoda9864]

I will admit that I don't have much experience with Pentium chips. But I'm pretty sure that you should have no problem with heat. Are you familiar with your BIOS? Maybe you have some kind of dynamic overclocking on that's making your fan go nuts and eventually reboots the computer because it can't keep up with the OC.

I'm afraid I don't have much experience with overheating since my computer runs at a cool 40C. Of course, I went a little overboard on my cooling setup. I have a ZALMAN CNPS7000A-AlCu heatsink/fan w/ Arctic Siver 5, 6 80mm quiet case fans, and 2 80mm PSU fans.

Still, I don't think you should have a problem with overheating.