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***Official Ivybridge Overclock Thread***

Jokester said:
I would hazard a guess that it's because HT uses shared resources on a core that it makes the threads less efficient.
Click to expand...

I got that.
should have gone to specsavers and got the i5.

So, am i right in thinking as a gamer i'll want ht off?

If so i'll most likey sell the 3770k.

I only got it for Smooth Video Project but now i've got a Lacie classic hd media player/hdd to play films with so maybe the i7 does'nt suit me, sell it and get a few pennys possibly?
 
right ok i tried setting the LLC to something that gave me minimal overvolts in the bios, stayed the same in cpu but as soon as i started up IBT the volts went from 1.272 down to 1.264, then 1.265 and bsod :( so now on the one that's just below extreme and its over volting from 1.27 to 1.28... lets see what the drooop is... reporting back if running/after bsod xD


update: ok so it's now running using:
LLC: ultra high
cpu v: 1.7 (windows underload 1.28-1.288)

ran standard but on v.high IBT it froze :( upped voltage to 1.275


lol ok was running fine... now had some .net framework thing pop up but just had red X boxes on it... and now the freeze test window in IBT has gone to a white box with a red outline and a red X in it... not sure if unstable or the fact damm windows update tried to do something with netframework :P

ok then explorer had an error and then gadgets stopped working.... guessing my volts were still a tad too low up to 1.28 now... pretty much what they were with the extreme LLC form 1.25 XD
 
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Thought mine was stable but got a few blue screens today. Think it's stable now though.

4.2Ghz @ 1.135v Max temp 67c

Might go for higher clock later on, but I'm only playing D3 and Sc2 at the mo and using internets.
 
Can push to 4.8 for sure but Its only going to give diminishing return's and more heat (Tho I dont see its really that hot 1 hour of small FFT's running a 1.3ghz overclock and max temp was 73c).

OC2.jpg


Cotti
 
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still running mine.... just got my mum to check it while i'm in work (lol took about 10 mins to turn on the monitors and read off the temps for me :p )

4.6, 1.296-1.304v in cpu-z LLC very high (has slight increase in vcore but only fluctuates to the values i've said. temps topping out at 81 on hottest core :)

i really want to know about all the other settings on the asus motherboard too as there's the two different phase control settings... not sure what they do, the t.probe or extreme setting for something or other (can;t remember off the top of my head :p ) also the asus internal PLL overvolt which is enabled as default...

wish the manual said a little bit more than just:

[ENABLED] enables blah blah blah mode
[DISABLED] disables blah blah blah mode
Click to expand...

hehe anyone got any source/guides on more about these, particularity with asus boards (z77 sabertooth) and for overclocking?
 
My 3570K is due to arrive tomorrow, got the cheap Gigabyte Z77-D3H motherboard. Is there any way the OP could summarise the findings of this thread? Have any trends emerged etc? Or shall I just put the kettle on and read the whole thread?
 
Hi all, first time overclocker here trying my hand at OCing my 3570K (rest of my rig is in my signature below!).

At stock I was getting a max core temp of 60C after an hour of Prime95 Small FFTs...is that about right?

To OC, so far all I've done is disable Turbo and increased the multliplier to x42 and haven't done anything with the voltage and I'm getting a max core temp of 73/74C after an hour of Prime95 Small FFTs...how does that look? Seems a little high to me personally!

Am I right in thinking that if I change my V Core to manual and decrease it, I should be able to achieve 4.2GHz but with lower temperatures? If so, what would you suggest I should set my V Core to?
 
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If you change the vcore to manual you should be able to get lower volts for the same clock. You're temps won't go down drastically but they should go down a bit. Auto settings generally are quite aggressive at least when it comes to vcore.
 
Ollie1132 said:
If you change the vcore to manual you should be able to get lower volts for the same clock. You're temps won't go down drastically but they should go down a bit. Auto settings generally are quite aggressive at least when it comes to vcore.
Click to expand...

Thanks for that...any suggestions on what vcore I should try?

I noticed that with voltage set to Auto it seems to go up to 1.246V with multiplier set at 42 running Prime95 Small FFTs for an hour, which gives me a max core temp of 73 to 74C.
 
Just swapped to Offset mode for a bit of an experiment and it works well but about .040v over so I head back to Bios and put in -0.020v but it wont even load Windows so -offset isnt working to well for me.

On the other hand even tho in Prime 95 the CPU is using [email protected] temps are still only 81c.

Cotti
 
Ollie1132 said:
try about 1.15V~ if you BSOD go up a bit. Should manage to be stable on that though.
Click to expand...

With the 42 multiplier I tried 1.15V but it gave me a BSOD as soon as I ran Prime95...

I increased the vcore by 0.05V at a time but each time it would BSOD or crash Prime95 within a few seconds until I got to 1.18V, which ran Prime95 for about 15 minutes before BSOD.

So at the moment, I have my vcore at 1.185V which has managed to pass Prime95 Small FFTS for over an hour, with a max core temp of 68C, compared to 74C with vcore on Auto. How does that seem?

I did notice though that during the hour that Prime95 was running, twice I had the 'Desktop Window Manager has stopped working' notification pop up...is that anything to be concerned about? :confused:
 
Test overnight, preferably 12 hours to see if it is indeed nearing stability, if not you may find it crashing in game or other taxing tasks.
 
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