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post #11 of 23
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Sorry for the triple posts... but is 1.32 vcore too high for 4.5?
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post #12 of 23
Quote:
Originally Posted by doc2142 View Post
Sorry for the triple posts... but is 1.32 vcore too high for 4.5?
check the sandy stable club to compare with similar systems.
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post #13 of 23
Quote:
Originally Posted by doc2142 View Post
so what is a good temp to keep it under for 4.5ghz?
I'd try & keep it below 70c under full load.

Quote:
Originally Posted by doc2142 View Post
Sorry for the triple posts... but is 1.32 vcore too high for 4.5?
1.32v seems high for a 4.5Ghz OC. I would think under 1.3v would be stable.
But That can really depend on the chip. I try to keep my 26k below 1.3v for everyday use.
post #14 of 23
Thread Starter 
Thx wolf, beside the vcore is there anything else to Change to get to stable? I was able to boot on 1.27ish maybe even lower on 4.5 but ibt kept giving me an error finally at 1.34 it didn't give me any errors.

As for temps. At that vcore it never went above 72c.
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post #15 of 23
Quote:
Originally Posted by TheWolf View Post
I'd try & keep it below 70c under full load.



1.32v seems high for a 4.5Ghz OC. I would think under 1.3v would be stable.
But That can really depend on the chip. I try to keep my 26k below 1.3v for everyday use.
I can't get mine stable under 1.3 no matter what I change. I'm not the only one either. Check the Sandy Stable Club.

I can set the vcore to 1.2xx and boot into windows and probably run games. But it's not stable, i.e. it will not pass a 12 hour prime95 blend test. So it's not stable.
post #16 of 23
Quote:
Originally Posted by doc2142 View Post
As for temps. At that vcore it never went above 72c.
Please see this regarding temps: http://www.techpowerup.com/realtemp/docs.php

I end up posting that link so many times I swear I should just make a thread with it and bump it every week, would answer so many questions out there.

But the next thing you can do, go to the Sandy Stable Club and check temps there for comparison. Keep in mind the caveats mentioned in my link above, as well as possible ambient temp differences of 5C.
    
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post #17 of 23
booting to windows and stabilizing is two different thing.
for my chip i can boot as low as 1.27 but fails prime 95 blend.
I was able to hit 4.5 ghz with 1.31 in bios
post #18 of 23
Quote:
Originally Posted by doc2142 View Post
Thx wolf, beside the vcore is there anything else to Change to get to stable? I was able to boot on 1.27ish maybe even lower on 4.5 but ibt kept giving me an error finally at 1.34 it didn't give me any errors.

As for temps. At that vcore it never went above 72c.
3 Step Overclocking Guide – Sandy Bridge By miahallen

I guess I got one of the better chips or maybe not. I use 4.4Ghz for my 24/7
OC @ 1.265v bios setting, prime stable & folding@home stable for months now.
As said before it really depends on the chip.
post #19 of 23
Thread Starter 
Quote:
Originally Posted by TheWolf View Post
3 Step Overclocking Guide – Sandy Bridge By miahallen

I guess I got one of the better chips or maybe not. I use 4.4Ghz for my 24/7
OC @ 1.265v bios setting, prime stable & folding@home stable for months now.
As said before it really depends on the chip.
Hmmm maybe 4.5 and 4.4 are different. I will try on 4.4 and see what happens.
Thanks for the guide but that is what I used to help oc. However it seems very... Generic? No advance settings to play around with? Maybe that is how sandy bridge is I guess, vcore and multi.
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post #20 of 23
100Mhz doesn't seem like a lot but with Sandy Bridge it can take a bit more voltage to reach that next 100Mhz after a certain point.

BTW my bad 1.265v is my low under load voltage on the vcore, bios its 1.280v.
I played with VccSA & VccIO voltage to get that stable OC at 4.4Ghz.
I just prefer to keep it under 1.30v.
Quote:
Originally Posted by doc2142 View Post
Hmmm maybe 4.5 and 4.4 are different. I will try on 4.4 and see what happens.
Thanks for the guide but that is what I used to help oc. However it seems very... Generic? No advance settings to play around with? Maybe that is how sandy bridge is I guess, vcore and multi.
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