Originally Posted by Clos
So I have finally started overclocking my new 4820. I swapped from a Sabertooth/3820, to ROG iv Gene/4820. Read the ivy bridge over clockers guide. But, still wanted to ask a few questions/my progress so far, if ya'll don't mind.
So i started with everything stock, and set the x.m.p memory profile. Everything ran great. Next step, i left the bclk at 100, and upped the multiplier. To my surprise it would boot up to 5+ ghz but the auto voltage would spike to 1.51 on prime so... i started the voltage and temp game... so far my current sweet spo is 4.7 ghz (47×100). I found to stabilize 4.8 i needed quite a bit more voltage than i was comfortable with. So i left it at 4.7.
Next i kept dropping the vcore down and running p95 kn small fft's u til it was unstable, running them in 30 min sessions each time fkr quick stability checks. I got it down to 1.355 in bios, cpuz showed 1.371 ish.. (is this normal?)
Next, i started using the blend option... would drop workers (primarily #5,then #2 and randomly #4 (i think). So, first i tried upping the memory voltage, (since the probably happened when more ram testing aas done... pushed up to 1.625, no improvement. So, instead i dropped it to 1.5v stock, and pushed vcore up. Could not get it to last longer than 3 min until i bumped it to 1.370-1.380 (i forgot atm) with cpuz reading 1.416-1.424v. Ran for 30 min no problems. So, it's currently running at that voltage, custom blend 14,400mb memory used (90%) actual is about 95%.
I'm letting it run overnight, so far it hasn't gotten higher than 75-73-74-75 deg c. (45min into the test.) Am i doing this right so far? should there have been that much voltage raise between small fft test and full stress blen test? Or should i have adjusted something else?
Sig rig IS up-to-date. Pretty much all other settings are stock except vcore and x.m.p profile. I appreciate any future advice. Thanks.