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i7 860 - computer won't POST when over 4,01 ghz - Page 2

post #11 of 34
raise your imc voltage to 1.3 when overclocking my i5 i found a post from intel, saying that a 1.3 imc voltage is need for most chips to reach 4.0 and higher.
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post #12 of 34
Thread Starter 
Quote:
Originally Posted by microman View Post
you can also try making the command rate 2 instead of 1.
done that too, didn't help
post #13 of 34
increase your vcore.
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post #14 of 34
Thread Starter 
Quote:
Originally Posted by 40.oz to freedom View Post
raise your imc voltage to 1.3 when overclocking my i5 i found a post from intel, saying that a 1.3 imc voltage is need for most chips to reach 4.0 and higher.
Yup, tried up to 1,4 - didn't work
post #15 of 34
Thread Starter 
Quote:
Originally Posted by AliceInChains View Post
increase your vcore.
Yeah, i went up to 1,35. Seems kinda unlikely that I would need so much more for 4,04 since for 4,01 I only need 1,34.. or maybe I'm wrong?
post #16 of 34
Quote:
Originally Posted by dv986 View Post
Yeah, i went up to 1,35. Seems kinda unlikely that I would need so much more for 4,04 since for 4,01 I only need 1,34.. or maybe I'm wrong?
go higher. trust me. you neeed lots more vcore. also make sure your qpi frequency is on the lowest setting.
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post #17 of 34
Thread Starter 
Quote:
Originally Posted by AliceInChains View Post
go higher. trust me. you neeed lots more vcore. also make sure your qpi frequency is on the lowest setting.
Ok, I'll try the highest possible values just to see if it boots. Can you tell me whats the highest vcore, vtt, pch, (and everything else) that I can go?

I mean, going high in voltages can't cause bad OC, just, well, overheating? Right?
post #18 of 34
Quote:
Originally Posted by dv986 View Post
Ok, I'll try the highest possible values just to see if it boots. Can you tell me whats the highest vcore, vtt, pch, (and everything else) that I can go?

I mean, going high in voltages can't cause bad OC, just, well, overheating? Right?
i wouldnt go much over 1.4
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post #19 of 34
Thread Starter 
Quote:
Originally Posted by AliceInChains View Post
i wouldnt go much over 1.4
For what? Only Vcore, or everything?
post #20 of 34
Quote:
Originally Posted by dv986 View Post
Ok, I'll try the highest possible values just to see if it boots. Can you tell me whats the highest vcore, vtt, pch, (and everything else) that I can go?

I mean, going high in voltages can't cause bad OC, just, well, overheating? Right?
acculy to much voltage can cause instabilities as well
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