AMD64 is a little more complex to oc. i looked around the forum and couldn't find any guides. if there isn't a guide then here are some. i'm sure a lot of people want to know what HTT and ltd are. the basics: http://www.dfi-street.com/forum/showthread.php?t=3846 the step by step guide: http://www.madshrimps.be/?action=gethowto&howtoID=58 if you don't get it the first time around, read it twice, or thrice.