I have been trying to hit higher then 4,1 ghz. I found the chip did not need the voltage I was using to try and do this. I was actually able to run Pi 1M also.
http://valid.canardpc.com/cache/banner/494825.png
http://3800z24.info/Phenom/Deneb/XP3...4.2ghzPi1M.JPG