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**Ivy Bridge Overclocking Guide** (with LN2 Guide at The End) - Page 35

post #341 of 1508
I thought I had a stable 4.5 last night at 1.295 vcore, +0.005 offset. It passed IBT and load temps were at 80c. Played a bit of Lineage 2 and then it BSOD twice in an hour.

Is a constant OC more stable than using offset? I'm having no luck making 4.5ghz stable and I'm not sure if it's worth it to go above 1.30 vcore to try and make it stick for 24/7 use. frown.gif

Also, I tried Asus' Auto tune for ****s and giggles. It gave me a 4.4+ghz OC by upping the bus speed to 103 instead of the default 100. Is it safe to increase the bus speed like that and use a lower multiplier for ivory bridge?
post #342 of 1508
Quote:
Originally Posted by Sin0822 View Post

for most 4.5ghz is where it seems stable and temps are reasonable. What motherboard are you useing? Why don't you fill in your rig builder?

I'm using.

Z77 ASUS Sabertooth
i5 3570k w/H100 cooler
8GB Vengeance ram (2x4GB 1600, 7-8-8-24)
2x 670 GTXs from EVGA in SLI
240GB OCZ Agility 3 SSD
HX1050 PSU
Corsair 800D Case
ASUS Blu-Ray burner
27" VG278H 120hz 3D vision 2 monitor

I also uploaded my rig to my profile like you suggested.

Lemme know what you think.
post #343 of 1508
Hey

I have a p8z77-v pro and a i5 3570k at 100.0x44, i tweak the voltage with AI suite II and I put the cpu voltage in the TurboV Evo at 1.220 but when i restart, it wont stay there, and i dont know how to change it in the bios because i tried to put 1,220 in manual voltage but i got a BSOD

i have around 70C 4.4ghz with prime95

Can someone help me

thanks
post #344 of 1508
Thx Sin for guide!!! Can you post some profiles for Gigabete Z77X-UD5H?
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post #345 of 1508
Anyone know the highest stable OC on stock everything? Can I push it to 4.0 or 4.2 without changing anything?
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post #346 of 1508
I've been 100% stable over the past couple days in games at 1.21v @4.5ghz. Highest recorded temp while gaming is ~70c, which from what I read is a safe day-to-day temp for the 3570k (correct me if I'm wrong).

I can run Prime95 with no blue screens or errors, but temps shoot up to mid 80s low 90s after about 5 minutes. I ran Prime95 for 2 hours with no issues, but i'm afraid of damaging the chip having it sit at 85-90c for long periods of time so I stopped at 2 hours.

Any attempt to go past 4.5ghz results in occasional blue screen. Raising the voltage to 1.3v allows for what looks to be stable 4.8ghz - 5.0ghz OCs, but temps during gaming hang out mid 80s, sometimes spiking up to low 90s.

So unless there is a way to stabilize the OC without adding more vcore voltage, I think i'm going to stick with 4.5ghz.

Any suggestions for reaching 5.0ghz stable without upping vcore any more? Or Anyone think I'm being too cautious (and mid 80c is ok for day to day use)?

Lemme know what you guys think.
post #347 of 1508
Quote:
Originally Posted by malikq86 View Post

Anyone know the highest stable OC on stock everything? Can I push it to 4.0 or 4.2 without changing anything?

From what I can tell, the IB chips come pretty over-volted for what they really need. My mobo has an "easy OC" setting that set the turbo speed to 4.2ghz and set the Vcore auto to ~1.19v, which is what i'm running a stable 4.5ghz OC on.

So safe to say you could probably do a nice 4.0ghz OC on the standard 1.1 to 1.2v vcore setting.
post #348 of 1508
Quote:
Originally Posted by malikq86 View Post

Anyone know the highest stable OC on stock everything? Can I push it to 4.0 or 4.2 without changing anything?

the only thing i've done is increase the multipler to 4.3 and applied an offset voltage of -0.01 and it was fine giving cpu volts of 1.10-1.11V at load. I could have gone higher but at no offset I get 1.18 volts, and I wanted no higher than 70C core temp on load testing.
 
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post #349 of 1508
Quote:
Originally Posted by Gallus View Post

Any suggestions for reaching 5.0ghz stable without upping vcore any more?
go sub zero (so, not really)
Quote:
Originally Posted by Gallus View Post

Or Anyone think I'm being too cautious (and mid 80c is ok for day to day use)?
Lemme know what you guys think.
Quote:
Originally Posted by 13thmonkey View Post

the only thing i've done is increase the multipler to 4.3 and applied an offset voltage of -0.01 and it was fine giving cpu volts of 1.10-1.11V at load. I could have gone higher but at no offset I get 1.18 volts, and I wanted no higher than 70C core temp on load testing.

The theme i've seen in responding to questions like this is: do what you feel is safe - it's your chip. That said you should know that the TJMax was raised on ivy to 105C so many feel it is OK to run in the 80's and spike to the 90's. I'm running my 3770K on water and prime95/IBT will get it up to mid-upper 80's but day to day she hardly breaks 70. And if you want to push you CPU hotter than you would normally feel safe Intel created a nice cozy insurance policy for overclockers to keep us all toasty warm http://click.intel.com/tuningplan/ thumbsupsmiley.png
3770K @4.7Ghz
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3770K @4.7Ghz
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post #350 of 1508
Quote:
Originally Posted by Ross K View Post

go sub zero (so, not really)
The theme i've seen in responding to questions like this is: do what you feel is safe - it's your chip. That said you should know that the TJMax was raised on ivy to 105C so many feel it is OK to run in the 80's and spike to the 90's. I'm running my 3770K on water and prime95/IBT will get it up to mid-upper 80's but day to day she hardly breaks 70. And if you want to push you CPU hotter than you would normally feel safe Intel created a nice cozy insurance policy for overclockers to keep us all toasty warm http://click.intel.com/tuningplan/ thumbsupsmiley.png

Absolutely and that's why I stopped at 70C, but it was more of an illustration to the OP that 4.3 was certainly achievable with little fiddling and if he was lucky with good temps giving overhead to go further, before he started having to 'fiddle' more than might be worth the effort.
 
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