Disable LLC and HT.
Increase the voltage to 1.25 and slowly increase the BLCK. Ive got mine to 1.23Vcore, 191x21. Be careful aswell as this may automatically increase the RAM Bus speed.
I manually set mine to 1528, (Your BLCKx8or12 effectively, i have mine set to x8)
Try this.. worked for me on my i7 930