here is the details of the overclock shown if i use 400fsb it reboots when its about to load the applications in windows i tried upping vcore but it dont help any ideas.












settings used in bios

390x9
DDr2 at 780mhz memory is dominator 800mhz micron chips at 4-4-4-12
memory voltage 2.10v
cpu voltage 1.4750v
fsb 1.50v
mch 1.65v
ich 1.20v

hope this helps others reach a decent overclock on q6600