Re: E6600 Stuck at 3.4 ghz on 680i. Trying to go higher....
First off, flash to a better BIOS. Why are you still running the P21? Memory optimizations became available in the P24 and now there's even a P25 out.
i7-2700k @ 5.0 GHz
Nvidia GeForce 570 2.5GB Tri-SLI
Asus P67 WS Revolution (Tri-SLI)
OCZ Vertex SSD x 4 (Raid 5)
G.Skill 8GB DDR3 @ 1600MHz
PC Power & Cooling 950W PSU