I've used a couple of bios from teh past....you're right, the latest one will not OC at all.
So your using the 9X multiplier right now? Do you remember any changes you made to get to 3.1? Not that .1 is enough for me to worry, but I'm still on a quest to get to 3.6 if it's possible with...
L.o.D. Did you ever figure out what the problem was with your 3.0 Ghz wall? I have a similiar setup as you (P5N-e and Q6600) and the exact same problem. Nothing I've tried will get me even 10 Mhz past the 3.0 GhZ mark. It doesn't even post, just sits at the first screen. The funny thing is...