Quote Originally Posted by kaka_89 View Post
thanks for replying bro....right now i'm curios about the cpuV of my proc since the i7 965 is C0 stepping which iinm requires for more vcore than D0 stepping..i've tried going 4.2g's with HT and turbo disable and set the cpuV till 1.425 in bios..but, the system doesn't boot at all..what is the problem now..??..does the voltage will kill my proc..??..or i have to go higher than 1.425v since my proc is C0 stepping..?
Don't worry, you need much more voltage to kill your CPU. Usually heat kills, so keep it cool.
I had i7 920 before this Xeon and it needed 1.45 for 4.2GHz. I lapped it to keep it in the mid 80's (Celsius).

BTW, post your BIOS settings using template, if you still have trouble.