not usually but he's keeping his other essential piece's cool enough so it'll be fine. as long as his temps stay cool that is. what kind of cooling system are you running? i'd imagine liquid of some sort.
Be careful with that. Is this like pushing an amp with its gain all the way up? //content.invisioncic.com/y282845/emoticons/hide.gif.2d479cfd917eedfe201353b91522ceab.gif
ive seen these at 4.5ghz before, if it you start pushing it to hard it just wont boot into xp, then go back to bios and change it back down, dont send too much volts to it though