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***Official Ivybridge Overclock Thread***

Cpu-z Shows 1.176v flat while im at load.

Ive had an hour so far of stability, I may increase the volts a touch ONLY a touch to 1.170 in Bios as I had Chrome crash but twice but that could have been anything otherwise im at 100% load playing league of legends with temps not exceeding 80C and Prime running a torture test in the back ground.

I will run a intel burn test later too.

Opinions so far?
 
If indeed stable that's a good chip.

Sounds like you're running extreme/max LLC. At such low volts expect lots of random crashes. You'll be better off dropping LLC back to low/medium (or even off when you go offset mode) and increasing volts substantially.
 
I checked WHEA and apparently I was getting errors so I upped the volts to 1.18* and so far no WHEA errors while the blend is running.

I have not changed the LLC I left that on auto :O I have Asrock Bios not sure what I should turn off lol Ive just been messing with the voltage and frequency atm.
 
Im running prime small now, No errors so far will see how this goes.

I opened event view and went to administrative events to view if errors come up lol.

Temps hover about to 79C I might have some extra leeway to be fair If i can get this stable that is.

Volts in Cpuz are 1.192
 
Hey guys, So far seems perfectly stable after about 4 hours smalls on prime and intel burn tests prior at 4.5Ghz on 1.75 (1.192)

Max temps reaching 83C with crap thermal paste. In normal use im prob going to see no higher then 70C.

All I did is raise the voltage and Frequancy no changes to anything else in the bios. Ill leave it on all night to make sure.

No WHEA errors either.

Thanks Tech. Hope it remains stable :O I must buy me some decent paste xD

Played about an hour of Bf3 too btw no problems Temps didnt pass 70c On the cores at full load and my 580 rma replacement hits about 70C too.

Maybe I might be able to reduce the voltages and keep it stable to reduce temps or change other settings anyone got any ideas?
 
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Im using manual voltage btw guys ;\ just seems to meh to get a stable offset voltage fixed and the difference in temps is literally miniscule from idle to low volts to idle fixed volts.

\o/
 
Nice overclocking there ANT. :)

Is that the cpu you got from where i got mine? If so then cant wait till i try mine out tho its looking like its going to be next week for my upgrade as im waiting on some ram to come.
 
Hey bud, Nah I ended up buying it off ZOID in the end he sent before I paid so was happy with that. Im just thinking my 620 is crap and my thermal paste is poop which is why my temps are a bit whack but i have not gone over 65C so far playing bf3 at full whack at 4.5 so who knows maybe I can push it at stress test upto 85 to 90C and see how far i can push.

To be fair though the performance gains would be pointless :O

Im a NOOB at overclocking lol this is my first time Im sure ive done some stuff wrong btw.

I just made sure my prime testing is stable my WHEA errors do not occur and my temps didnt go above 90C max load.

Lets see what a 12 hour torture will do to the lil guy...


One thing though Skeet :( My RMA 580GTX came back and this one has worse whine then the 570 GTX they received and replaced the 580 with :(
 
A days worth of Prime/Intel Burn testing etc.

I have it at 1.192 Volts in bios and after 8 hours it reaches upto 88C on one core..... I have crap thermal paste which probabaly explains this how ever.

In gaming it never peaks 65C in bf3 for example, I think new paste will give better temps as im using some unnamed stuff i had laying around.

And in time as this one cures till I buy the new one it will probably get better.

I dont understand how people are using 1.2 or 1.3 volts to get the same overclock I am?

Am i basicaly undervolting mine? Temps are a bit high though but I could probabaly squeeze another 100mhz out of it with some better paste maybe more aslong as i dont go past 90-95mhz.

But my thinking is I wont really see worthwhile performance increase for the extra temps I would get.

I need some help really guys what will bring down my temps?

The only settings ive changed in bios is my Voltage and the Multi, and btw I have my volts on fixed. I cannot for the life of me figure out offset.


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WHEA logger on your event viewer means an instability. Upp the vcore or expect a blue screen.

I had 4.5 stable at your volts and after 3 days of non-stop folding I got 2 blue screens in a day of normal use.

Can take weeks to fully suss out your cpu's true stability that's why people post their 1.2s and 1.3v OC as they are gradually raising it over the weeks when blue screens happen. A day of stress testing is nothing really.
 
Those events were from prior tests not from this one there just still on the log list I had tried out an unstable overclock and reverted back to this one which was stable previously and tested it again for even longer and it has been stable as before whcih was only for a few hours and this test for nearly 8 over all 24 hours stable with no errors with this oc.

Just the temps P_P
 
You're using extreme/max LLC, which will give a lower load voltage. If you were to run with LLC disabled you'd probably need 1.35v in the bios with a vdrop+vdroop of 1.25v under load (estimates).

Personally I'd stick to medium LLC or below, but opinion is split on the evils of LLC.
 
Not necessarily because Vdroop (voltage drop under load) would mean that you aren't actually running at 1.35V when the cpu is loaded. I haven't played with Ivy Bridge but 11 degrees does seem like a lot of variation in temperature between cores, I normally only get about 5 degrees variation under stress testing.

I'd give it a shot without LLC if not long term, at least to see what you can achieve.
If you are happy with your best non-LLC result then stick with that IMO.
 
So what exactly do you suggest lol, I would rather not have to use fixed volts all the time but i really want to get the temps down O_O so i could maybe increase.

I dont really understand Vdroom and such things much tbh.


PS- Ive reseated repasted the difference in core temps is always like that really frustrating really.
 
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