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Help with OC 2600K, few issues.

post #1 of 14
Thread Starter 
Howdy,

I need some quick help with my OC (I bet you don't hear this line everyday biggrin.gif).

Basically, I am at 4.6Ghz with a vCore of 1.335. Around 3 months ago I ran IBT with this and it was stable. However, now when I try it doesn't even get past the first run without BSOD'ing with a x101 error.

After some research, I found that the x101 error basically means to pump up your vCore... So thats what I did.. slowly brought it up until it was at 1.380, however I am still BSOD'ing before the even first run is complete. So this got me thinking, 1.380 for 4.6 is surely enough to get through at least a few runs.

So now here I am posting on here for help. I have basically all my memory settings on the default or auto, multiplier to 46x, and HT turned on (I tried with off to see any luck, still NONE).

I have LLC on Auto, aswell as all the other voltage settings except vCore. (vtt etc.)

I also have a problem with my CPU-Z where it appears my vcore is stuck at 1.056v, even after installing the latest version of 1.59.

My specs are i7 2600K, Gigabyte P67A-UD3R-B3, GSkill 1333mHz 8GB.

Any help would be greatly appreciated!

PS: Sorry if this is the wrong place to be posting this, if it is, let me know and ill move it ASAP.

Cheers,
James
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post #2 of 14
Quote:
Originally Posted by machine2035 View Post

Howdy,
I need some quick help with my OC (I bet you don't hear this line everyday biggrin.gif).
Basically, I am at 4.6Ghz with a vCore of 1.335. Around 3 months ago I ran IBT with this and it was stable. However, now when I try it doesn't even get past the first run without BSOD'ing with a x101 error.
After some research, I found that the x101 error basically means to pump up your vCore... So thats what I did.. slowly brought it up until it was at 1.380, however I am still BSOD'ing before the even first run is complete. So this got me thinking, 1.380 for 4.6 is surely enough to get through at least a few runs.
So now here I am posting on here for help. I have basically all my memory settings on the default or auto, multiplier to 46x, and HT turned on (I tried with off to see any luck, still NONE).
I have LLC on Auto, aswell as all the other voltage settings except vCore. (vtt etc.)
I also have a problem with my CPU-Z where it appears my vcore is stuck at 1.056v, even after installing the latest version of 1.59.
My specs are i7 2600K, Gigabyte P67A-UD3R-B3, GSkill 1333mHz 8GB.
Any help would be greatly appreciated!
PS: Sorry if this is the wrong place to be posting this, if it is, let me know and ill move it ASAP.
Cheers,
James

Hey James, its best to fill in the specs to your rig in your profile. It really helps us see the whole picture.

They will appear under your posts similar to this one.

When you are overclocking the rule of thumb is to always manually set your settings. No more auto. Reason for this is they do dynamically adjust when getting different voltages. So if you have it Auto, and the voltage for VTT or VCCIO is 1.08v in BIOS, you should manually set it 1.08v or as close to as possible. This is just an example. This helps you narrow down what component does need voltage and you can eliminate unknowns such as booting up with the wrong voltage one out of the four times for example.

It is good you are doing research and 101 BSOD are generally needing more Vcore, but it could also be your LLC. One specific issue that stands out the most is your LLC on Auto. I don't know what different levels you have in Gigabyte motherboards but I know I have 6. I stay around level 3 manually this is High (but still only level 3 for me so middle). I am going to assume you know what Load Line Calibration does. This setting can definitely make what should be a stable overclock appear unstable if it idles too low on the voltage, or doesn't get quite enough juice at the high end.

Second thing I have to ask is how long did you run IBT the first time and how long has it been since your last Win 7 format? Corruption definitely can occur over time so if we aren't 100% sure it was stable to begin with that could be why. That voltage does seem about right to me, although all silicone is different. Once we get some more information, maybe we can help you better.

Vcore stuck at 1.056v is a bit strange, however I assume you are idling when this occurs. Default voltage for a 2600k @ 3.2GHz is 1.15v, so that is definitely idle voltages or a strange situation.

Have you done anything else recently? Installed any new BIOSes?

Here is a link to a variety of templates on what people achieved, and a lot of guys here could probably give you even more advice than I can in OCing a SandyBridge.
http://www.overclock.net/t/968053/official-the-sandy-stable-club-guides-voltages-temps-bios-templates-inc-spreadsheet/0_50
Edited by RagingCain - 2/21/12 at 6:54pm
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post #3 of 14
Hi James

Cpuz showing incorrect vcore is a common problem with gigabyte motherboards if i remember correctly, you need to go on Easytune and see what that is saying.

1.38v is alot for 4.6ghz, but not unbelievable. My old 2500k needed 1.4v for 4.7ghz, that was a stinker of a chip. Leave all your settings as they are and go into windows and see what easytune is saying your vcore is at idle and under load. I have a feeling your LLC level is probably not right as its set to auto, and that in turn is not giving your cpu enough vcore.

Report back with your easytune results buddy.
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post #4 of 14
Thread Starter 
Hi,

Thanks for all your quick responses.

I have added my rig to my signature for my specs if you need them.

RagingChain, the last time I formatted W7 was about a month and a half ago when I purchased my SSD, and reformatted my HDD and installed windows onto the SSD.

In regards to how long I ran the IBT for, I would say 2 - 2 1/2 hours.

$ilent, I have just installed easytune and without and load testing voltage was showing 1.308v, and when I start IBT it was showing the same (however my computer crashes probally no more than 5 seconds after I press the 'Start' button on IBT).

Cheers,
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post #5 of 14
right so its only getting 1.308v, thats not enough for 4.6ghz, try upping the vcore about 0.05v so that you get about 1.368v and see what happens then. Your cpu vcore going from 1.38 to 1.308 indicates massively incorrect LLC level used, ideally you want your cpu vcore in windows at idle to be the same as what you set in bios, but you will have to compensate for a voltage drop, so for me I have LLC level Ultra High or 4/5 and in bios I set 1.44v, but in windows under idle I get 1.44v and under load it drops to 1.408v.
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post #6 of 14
Thread Starter 
Quote:
Originally Posted by $ilent View Post

right so its only getting 1.308v, thats not enough for 4.6ghz, try upping the vcore about 0.05v so that you get about 1.368v and see what happens then. Your cpu vcore going from 1.38 to 1.308 indicates massively incorrect LLC level used, ideally you want your cpu vcore in windows at idle to be the same as what you set in bios, but you will have to compensate for a voltage drop, so for me I have LLC level Ultra High or 4/5 and in bios I set 1.44v, but in windows under idle I get 1.44v and under load it drops to 1.408v.

Hey, I already tried going through all the levels from 1.335-1.375 and had no luck through all of them (crashing around 5 seconds into IBT).

Should I change my LLC setting from [Auto] to something else? If so, some help on this level would be appreciated.

Cheers
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post #7 of 14
yes change it, I cant say which level to use as I have an asus board, try using leel 8/10 and see what happens.

Also im not sure what you mean by "been through all levels from 1.335-1.375". 1.375 is your cpu voltage, llc levels change how that number comes out in windows.

Read the guide in my sig about 2600k overclocking for more info.
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post #8 of 14
Thread Starter 
Quote:
Originally Posted by $ilent View Post

yes change it, I cant say which level to use as I have an asus board, try using leel 8/10 and see what happens.
Also im not sure what you mean by "been through all levels from 1.335-1.375". 1.375 is your cpu voltage, llc levels change how that number comes out in windows.
Read the guide in my sig about 2600k overclocking for more info.

I meant to say I have been through all the vCore levels (0.025 per level I think), up to and including 1.375v (So 1.335, 1.340, 1.345 etc.)

I will try LLC now and see how my voltage goes.

Should I be leaving QPI/vTT alone to the value of 1.050?

Cheers
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post #9 of 14
Thread Starter 
I just went into my BIOS and under the Load Line Calibration window there is only [Auto], [Disable], and [Enable]. Would this be due to me only having the F3 bios?

If so, I have heard flashing the BIOS and installing a newer version has a high risk rate of not working properly? Thoughts etc?

Cheers
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post #10 of 14
I usually set vtt to around 1.12.. how many sticks of RAM do you have?
 
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