It's really odd with this board...I flashed with the new 2602 BIOS from my old 1503...

Vcore adjustment on this board requires that you turn off EIST and C1E....it's odd that intel speed step option does not always appear under the CPU page...but play around with the settings and reboot a few times if u don't see that option...once it appears...disable it. You'll have access to Vcore then.

Let me know how it goes cus if I can get this Q6600 to work at close to 4Ghz on this board...I'd be a happy camper. Otherwise I gotta shell out over 200 for a new board.