Shadowdust: Interesting... Did you try tweaking NB and CPU-NB voltage? Maybe some increasing on NB and CPU-NB help you with CPU OC. Try CPU 1.425, CPU-NB +0.1 ( NB set do default speed - 2000MHz), NB 0.1V and RAM to 800 speed and loose timings. Then try to boot at 3.6 and do so stress testing - if CPU fail, try with more CPU voltage, if fail too you have probadly "ordinary" CPU nad over 3.5 dont go. I can do 3650 with 2600 NB, but 3720 isnt totally stable, but CB x64 and wprime is ok, but linx not. If you need fufther info please send me PM.