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Thread: is this oke for a i7 975.

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    Default is this oke for a i7 975.

    Hello guys i dont now much about overclocking a 1366 socket system, but today i tested the max Multi of my cpu.
    i dident make any changes just up the Multi at 35x133 (4.67ghz) and it diddent work.
    Multi 34x133 (4.5ghz) yep no problem.
    is this oke for a i7 975????


    the only settings that where changed are vcore 1.4v Multi 34, speedstep off/turbo off/cie disable.


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    Default Re: is this oke for a i7 975.

    Did you read the excellent Deton's OC guide (CPU Overclocking section of forum).
    Core i7 4Ghz Club & Overclocking Guide

    Always look beyond the limits...

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    Default Re: is this oke for a i7 975.

    Quote Originally Posted by Smiki007 View Post
    Did you read the excellent Deton's OC guide (CPU Overclocking section of forum).
    Core i7 4Ghz Club & Overclocking Guide
    I second this recommendation. This guide is the reason I was ever able to hit 4GHz on my 920!

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    Default Re: is this oke for a i7 975.

    Quote Originally Posted by criss_glitch666 View Post
    I second this recommendation. This guide is the reason I was ever able to hit 4GHz on my 920!
    Exactly, also thanks to this guide I was able to OC my old i7 940 to 4GHz and i7 960 to 4.2GHz without any problem (back to 2009 and 2010). Now the i7 975 should go to 4.5-4.6GHz without any problem, just following the procedure explained in this guide.

    Always look beyond the limits...

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    Default Re: is this oke for a i7 975.

    ofcourse i did read that tread, and if i try that i get a bluescreen.
    but i will test futher, i did test the fsb, setting, will try just the Multi.
    i,m at 4ghz so that was no problem
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    Default Re: is this oke for a i7 975.

    There are heavy recommendation NOT TO TOUCH voltages for a Core i7 975. Simply increase the multiplier until either the system crashes or temperatures get out of hand, then you lover your multi for one. Some models managed to get to 4.4 - 4.5GHz stable but on waco not on air, mostly the top limit on air is 4.0 - 4.2GHz (also depending of model you have).

    Always look beyond the limits...

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    Default Re: is this oke for a i7 975.

    Quote Originally Posted by Smiki007 View Post
    There are heavy recommendation NOT TO TOUCH voltages for a Core i7 975. Simply increase the multiplier until either the system crashes or temperatures get out of hand, then you lover your multi for one. Some models managed to get to 4.4 - 4.5GHz stable but on waco not on air, mostly the top limit on air is 4.0 - 4.2GHz (also depending of model you have).
    mmm you tell my to read the guide, and i did, the are trowing with voltage.
    and if i go with the Multi higer, the vcore goes higher at 4.0 i get more the 1.4v, and why would i want that if it runs perfecly at 4.0ghz at a vcore off 1.3v
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    Default Re: is this oke for a i7 975.

    Quote Originally Posted by turbobooster View Post
    mmm you tell my to read the guide, and i did, the are trowing with voltage.
    and if i go with the Multi higer, the vcore goes higher at 4.0 i get more the 1.4v, and why would i want that if it runs perfectly at 4.0ghz at a vcore off 1.3v
    I just saying according what I've found over internet for this model especially (i7 975). For unknown reason this model doesn't like (generally), when its Vcore are increased over intel specs (1.375 max), but this not mean your model can't reach higher clock with higher Vcorre. Just for knowledge: there is no two 100% identical CPU, for more that are the same model, series and manufacturer, and every one OC in a different way (depends of motherboard and RAM too).
    You need to play with your processor to find out exactly which configuration (OC), is the best, is this are 4.0GHZ with Vcore 1.3 and your temps on full stres are <= 75C, then leave it as is, or you can try to go a little higher but in the games you'll not notice any improvements of CPU OCed to 4.3GHz over 4.0GHz.
    When I had my i7 960, I could mange to reach 4.2GHz with 1.42v of Vcore and my temps on 100% full stress where between 82-84C (with Noctua NH-D14 cooler), and in the normal daily work/gaming never went over 72C, but the same model my friend had, never managed to go over 3.84GHz.
    Think I was lucky as I'm now: My i7 3970X working on 4.8GHZ 24/7 with Vcore just +0.020V in offsert mode. and the temps on full stress never pass 73C (hotest core), but now I have full custom waco system..

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    Default Re: is this oke for a i7 975.

    Quote Originally Posted by Smiki007 View Post
    I just saying according what I've found over internet for this model especially (i7 975). For unknown reason this model doesn't like (generally), when its Vcore are increased over intel specs (1.375 max), but this not mean your model can't reach higher clock with higher Vcorre. Just for knowledge: there is no two 100% identical CPU, for more that are the same model, series and manufacturer, and every one OC in a different way (depends of motherboard and RAM too).
    You need to play with your processor to find out exactly which configuration (OC), is the best, is this are 4.0GHZ with Vcore 1.3 and your temps on full stres are <= 75C, then leave it as is, or you can try to go a little higher but in the games you'll not notice any improvements of CPU OCed to 4.3GHz over 4.0GHz.
    When I had my i7 960, I could mange to reach 4.2GHz with 1.42v of Vcore and my temps on 100% full stress where between 82-84C (with Noctua NH-D14 cooler), and in the normal daily work/gaming never went over 72C, but the same model my friend had, never managed to go over 3.84GHz.
    Think I was lucky as I'm now: My i7 3970X working on 4.8GHZ 24/7 with Vcore just +0.020V in offsert mode. and the temps on full stress never pass 73C (hotest core), but now I have full custom waco system..

    thats why whe go see what it can do, for now i find this oke, did a prime95 run, and a linx run, the prime run was 33 minutes, and the linx whas 45 minutes.

    4.0ghz 1.244vcore under load, highest core temp 62 degrees.

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    Default Re: is this oke for a i7 975.

    Looks good so far.
    Last edited by Smiki007; 15-04-2014 at 12:06.

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    Default Re: is this oke for a i7 975.

    Yes, the 4.0ghz is for the moment fast enough for what i do, but you now, the tweaking is also fun, and at the moment i,m just on air, hopefuly wil have wc so we can go higher.
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