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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 730

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post #7291 of 9531
Quote:
Originally Posted by inedenimadam View Post

Yes, CoUg4r...my bad!

My offset is +.020 and +.121 turbo, but I also am running a 50x for my daily overclock. When I want to run 45x, I use a -.060 offset and +.004 because +.005offset and +.004 turbo gets me way more voltage than is needed. What voltage you require really depends on what your goals are and what type of cooling solution you are using.

I was just asking to see if you could somehow translate the offset to a value that would be enough to make it run stable, as it does when I run it at 4.2 ghz with the fixed settings above. But I guess you can't just translate that to an offset mode. I have to try and see smile.gif
post #7292 of 9531
Quote:
Originally Posted by Pansar View Post

Quote:
Originally Posted by inedenimadam View Post

Yes, CoUg4r...my bad!

My offset is +.020 and +.121 turbo, but I also am running a 50x for my daily overclock. When I want to run 45x, I use a -.060 offset and +.004 because +.005offset and +.004 turbo gets me way more voltage than is needed. What voltage you require really depends on what your goals are and what type of cooling solution you are using.

I was just asking to see if you could somehow translate the offset to a value that would be enough to make it run stable, as it does when I run it at 4.2 ghz with the fixed settings above. But I guess you can't just translate that to an offset mode. I have to try and see smile.gif

There are many variables, and while it is possible to calculate your offset voltage requirements from fixed, we would need to know your VID for whatever multiplier you are running. basically VCore= VID + offset + turbo. So if you know that fixed is stable at 1.275 and you have a VID of say 1.300 (for ease of example math) you would end up with 1.275 = 1.300 + (-.029) + .004 so you would need to set your offset at -.029 to get 1.275 with a VID of 1.3.

Converting a fixed voltage to offset voltage is the way allot of guides suggest going about it, but honestly it just throws an arbitrary variable into the mix becuase intel's VID is NEVER right, so you might as well just figure out for yourself what your chip requires, as opposed to trying to find some number that relates to some other number that is wrong in the first place. Kenny wrote a pretty good guide here, and when followed it is easier and quicker than stabilizing fixed then converting and testing. But you already have a known good fixed...so converting may very well be easier.
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post #7293 of 9531
Quote:
Originally Posted by inedenimadam View Post

There are many variables, and while it is possible to calculate your offset voltage requirements from fixed, we would need to know your VID for whatever multiplier you are running. basically VCore= VID + offset + turbo. So if you know that fixed is stable at 1.275 and you have a VID of say 1.300 (for ease of example math) you would end up with 1.275 = 1.300 + (-.029) + .004 so you would need to set your offset at -.029 to get 1.275 with a VID of 1.3.

Converting a fixed voltage to offset voltage is the way allot of guides suggest going about it, but honestly it just throws an arbitrary variable into the mix becuase intel's VID is NEVER right, so you might as well just figure out for yourself what your chip requires, as opposed to trying to find some number that relates to some other number that is wrong in the first place. Kenny wrote a pretty good guide here, and when followed it is easier and quicker than stabilizing fixed then converting and testing. But you already have a known good fixed...so converting may very well be easier.

Thanks. I will let this sink in and see if I understand it a bit better later. Now it all just spins around in my head. But I will try a bit and see what results I get with lowering the offset and increasing the LLC to 4 or 5.

My goals aren't really more than having a stable overclock that is cool enough and give me a bit of an increase when gaming.
post #7294 of 9531
Quote:
Originally Posted by inedenimadam View Post

There are many variables, and while it is possible to calculate your offset voltage requirements from fixed, we would need to know your VID for whatever multiplier you are running. basically VCore= VID + offset + turbo. So if you know that fixed is stable at 1.275 and you have a VID of say 1.300 (for ease of example math) you would end up with 1.275 = 1.300 + (-.029) + .004 so you would need to set your offset at -.029 to get 1.275 with a VID of 1.3.

Converting a fixed voltage to offset voltage is the way allot of guides suggest going about it, but honestly it just throws an arbitrary variable into the mix becuase intel's VID is NEVER right, so you might as well just figure out for yourself what your chip requires, as opposed to trying to find some number that relates to some other number that is wrong in the first place. Kenny wrote a pretty good guide here, and when followed it is easier and quicker than stabilizing fixed then converting and testing. But you already have a known good fixed...so converting may very well be easier.

Sorry for bothering you again, but this is how it looks like after running prime95 for 15 minutes with multipel 44, offset at -0.06 and LLC at 5.



This was with the older settings, multipel 42, fixed vcore 1.275 and LLC at 2.



So now I should just try and see if i can put offset at -0.07 to -0.08 etc. to see if I can lower my temp and still have it running stable in prime95? I think I will settle with 4.4ghz so no reason to take the multipel higher.
Edited by Pansar - 10/29/13 at 12:36pm
post #7295 of 9531
I would go for 45x. There is one thing that I did not disclose to you about negative offset. Negative offset also lowers your idle VCore, so while you might be stable on the top end, your idle might not be stable. There is no idle stress test like p95 to test your instability, so diagnosing it will just take time away from your keyboard, and browsing the web and other lite load situations. Going much further down the rabbit hole into negative offset is likely to cause instability, so I would just go for 45 since you have voltage and temperature headroom.
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post #7296 of 9531
Quote:
Originally Posted by inedenimadam View Post

I would go for 45x. There is one thing that I did not disclose to you about negative offset. Negative offset also lowers your idle VCore, so while you might be stable on the top end, your idle might not be stable. There is no idle stress test like p95 to test your instability, so diagnosing it will just take time away from your keyboard, and browsing the web and other lite load situations. Going much further down the rabbit hole into negative offset is likely to cause instability, so I would just go for 45 since you have voltage and temperature headroom.

Okey, I see. I will do that. Thanks for all your help!
post #7297 of 9531
i just followed this guide and am at 4.0 ghz on a i5 2500k
with the corsair h100i push/pull setup as an exhaust fan.

Running the prime 95 test right now and no BSOD or anything acting up right now have my fans running at the highest speed and the highest temp i seen was 87C i feel like thats too hot can anyone help me ?!
post #7298 of 9531
Quote:
Originally Posted by Dunsparth View Post

i just followed this guide and am at 4.0 ghz on a i5 2500k
with the corsair h100i push/pull setup as an exhaust fan.

Running the prime 95 test right now and no BSOD or anything acting up right now have my fans running at the highest speed and the highest temp i seen was 87C i feel like thats too hot can anyone help me ?!

a couple things that would help us help you would be

your load VCore?
idle Vcore?
LLC?
offset voltage?
turbo voltage?

I am going to just take a stab in the dark and say you can probably up your multiplier to 44 or 45 (which wont add heat) and use negative offset to drop voltage/heat. More information would be great.
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post #7299 of 9531
Quote:
Originally Posted by inedenimadam View Post

a couple things that would help us help you would be

your load VCore?
idle Vcore?
LLC?
offset voltage?
turbo voltage?

I am going to just take a stab in the dark and say you can probably up your multiplier to 44 or 45 (which wont add heat) and use negative offset to drop voltage/heat. More information would be great.

X2 thumb.gif
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post #7300 of 9531
IMG_20131029_174701.jpg 1682k .jpg file
IMG_20131029_174722.jpg 1813k .jpg file
IMG_20131029_174752.jpg 1572k .jpg file

Hope this helps answer your question... sorry im a noob to all this frown.gif
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