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Haswell Overclocking Guide [With Statistics] - Page 985

post #9841 of 19539
Quote:
Originally Posted by JJFIVEOH View Post

Thanks. Well you and Dark seem to have voltage drop at idle with C states so I must be doing something wrong. If I go from adaptive to manual and only enable C7, my voltage graph is a flat line and my computer skips non-stop. I can repeat the steps over and over with the same results.

Would you mind putting your components into your signature? There could be a compatibility issue somewhere....
post #9842 of 19539
Quote:
Originally Posted by Wirerat View Post

cstates seem to do nothing to my voltages. I been messing with it for the last hour.

Adaptive mode would be so much more beneficial, if only it didn't spike. I don't understand why it does that or how there could be any benefit.
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post #9843 of 19539
Quote:
Originally Posted by JJFIVEOH View Post

Adaptive mode would be so much more beneficial, if only it didn't spike. I don't understand why it does that or how there could be any benefit.

adaptive seems to only spike if you run a heavy cpu stress test. prime95 and IBT cause my cpu to go from 1.38 to 1.45. I have been playing with it and no regular use can cause the spike.

Would lowering input voltage force the spike to lower ?
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post #9844 of 19539
cpu-z i think reads the cpu VID so it wont show the voltage drop

override voltage cstates enabled and c7................... c3 c6 disabled



BTW how many time or loops do you run x264
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post #9845 of 19539
Quote:
Originally Posted by Wirerat View Post

adaptive seems to only spike if you run a heavy cpu stress test. prime95 and IBT cause my cpu to go from 1.38 to 1.45. I have been playing with it and no regular use can cause the spike.

Would lowering input voltage force the spike to lower ?

I just tried lowering it, and raising it. Still causes it to go from 1.35 to 1.48. You're right, I'm probably being overcautious.
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post #9846 of 19539
Quote:
Originally Posted by lilchronic View Post

cpu-z i think reads the cpu VID so it wont show the voltage drop

override voltage cstates enabled and c7................... c3 c6 disabled



BTW how many time or loops do you run x264
you ar right. I was watching coretemp but it does the same thing. however when adaptive is on, core temp lowers the displayed voltage but when Cstates enabled it does not.

Hwmoniter is showing the voltages drop. thanks
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post #9847 of 19539
Quote:
Originally Posted by lilchronic View Post

cpu-z i think reads the cpu VID so it wont show the voltage drop

override voltage cstates enabled and c7................... c3 c6 disabled Warning: Spoiler! (Click to show)


BTW how many time or loops do you run x264

Depending on what version of CPU-Z you're using, it will certainly show the voltage drop - if the voltage on yours is actually dropping....CoreTemp, on the other hand, only shows the VID, but CoreTemp also specifies that its showing the VID....biggrin.gif



NOTE: This reading would normally be lower, but I do have a few internet tabs open, and I'm watching a movie....wink.gif
post #9848 of 19539
Quote:
Originally Posted by 7ranslucen7 View Post

For the maximus VI gene (I assume it's the same for all other rog z87) there's Fully Manual enabled and Fully Manual disabled.
Having it enabled locks the voltage and downclocks fine, disabled allows allows both downclocking and downvolting.

Right now I'm using manual mode disabled and manual voltage and it's downvolting and downclocking (all c states enabled) without having to use adaptive or offset.



Ah, good catch. I had forgotten about that Asus setting. Here's what Asus has to say specifically about it:

Fully Manual Mode is a special mode exclusively offered by Asus. Once enabled, will allow all six key voltages that are sent to the CPU to be set to a fixed value without the application of load-line (i.e. no voltage drop) rather than an offset from the voltage curve previously defined by Intel. Ideal for overclockers who are more used to traditional method of doing overvoltage. Note that under this mode, the CPU will no longer be able to lower any of the six key CPU voltages when the system idles down even if the CPU Power Saving Schemes such as EIST and the various C-States are enabled. Please disable this option if the use of the CPU built-in power saving schemes is desired.

http://rog.asus.com/254052013/maximus-motherboards/recommended-settings-for-overclocking-maximus-vi-motherboards/

Likely this setting just puts the voltages less under the CPU's (Intel's) control and more into Asus's hands which would explain why using it means no longer access to "power features" Intel puts into the design. Likely the type of person interested in this mode are extreme overclockers using active cooling and going for records. I can't imagine someone wanting this mode for a "typical" setup (well unless you work for Asus and like the fact you're using something your company designed. smile.gif )

For those not familiar with Asus bios ... the above is not "manual voltage mode" that is often recommended here (over adaptive and offset). Think of it more as a "super manual" mode where the CPU has even less control over voltage that when disabled gives access to the typical Intel "manual" vs "adaptive" vs "offset" selection.
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post #9849 of 19539
I'm using Intel XTU to graph all the levels. Look at my screenshots above, they're clearly either fluctuating or constant.
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post #9850 of 19539
Odd thing happens on mine when I run Prime95. If I run the In Place Large FFT's test that claims to have maximum heat, my comp hits around 82°. But if I run small FFT's it spikes right up to 99° and I have to immediately stop it. Of course I'm only doing this for a very short time to see if I can solve the adaptive spikes (although I think it's been widely documented in this thread that I'm probably wasting my time). This is with an H100i.
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