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Voltages on Intel i7 4770K

post #1 of 6
Thread Starter 
So I'm playing a bit with my new 4770k and I must admit im a noob at this tongue.gif
I'm a bit worried about the voltages showing in CPUID Hardware Monitor. I don't want to damage anything and I'm trying to learn so thats why I come here for some advice of you experienced overclockers.

Probably smart if I tell you what hardware I got
Asus z87-deluxe
Intel i7 4770k
Corsair H110


So the thing is, when I choose manual voltage in the bios, the voltage is ok, but I want it for 24/7 use so adaptive is a better choice. But the problem is, once I change the voltage, IA in CPUID hardware monitor goes up to a higher number, I dont want it to run above 1.25v at this moment.



I've searched on internet what IA Voltage means but I can't find anything, I do find stuff about offset but those never change. Can someone please help me? When I run it on stock the IA Voltage is 0

Sorry about my bad english!


EDIT:
Now I run it at stock and it says IA Offset instead of just IA. But i never used offset in the bios


Edited by minimindy21 - 6/11/13 at 2:36pm
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post #2 of 6
Also wondering what IA voltage is....
It did seem to correlate with Vcore....
Edited by frozenvegtables - 6/11/13 at 2:37pm
post #3 of 6
Thread Starter 
Yea its just a little bit above Vcore but it also switched to +2.2V when I was playing around with Dual Intelligent Processor 4 (Asus motherboard software to overclock) I didnt know what I exactly did because I quickly rebooted my pc to default settings
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post #4 of 6
Once you find your stable overclock with override volts, yes change to adaptive volts so your CPU and volts will throttle down when at lower loads just like stock.

For example my 4770k is stable @ 1.200v - @4.3ghz. when using override volts.

But here the confusing "kicker" about explaining adaptive volts.

When changing from override to adaptive volts, you should set the volts a little lower, like in my case 1.150v instead of 1.200v. Why?

Because even though my volt are lowered to 1.150v adaptive in bios, whenever using the "adaptive volts settings" it will always give your CPU a little more volts then what you just set.

So now when I go back to stress testing the CPU again, the volts with jump up to 1.200v, even though it was changed to 1.150v in bios, thus giving me same stability when using override.

If I would have keep the adaptive volts the same at 1.200v instead, the voltage would be somewhere around 1.250 when stress tested.

If this all sounds fuzzy still, you can read more from this guide.
http://www.overclockers.com/3step-guide-to-overclock-intel-haswell
Edited by Toque - 6/11/13 at 3:47pm
post #5 of 6
Thread Starter 
Thanks for trying to help me, but when I put adaptive mode in BIOS I can't set the vcore only the Offset Voltage from -0.999 to +0.999. Changing anything will result in a high IA Offset voltage, if I leave everything on auto mode in adaptive, then I don't get any IA Offset voltage. on default (when i play BF3 or do Folding@home) the vcore goes to 1.82 but when I stress test it goes to 1.297 which is way higher.
Thanks for the link, it is the same bios but it shows nothing about how to set your adaptive mode, so I'm still a bit confused.
I've also read that you overclock and stress test with manual voltage, and after that you set it on adaptive, but if I leave everyting on default it goes to max 1.182 while I want it to max out at 1.225 or 1.25, beacause it's not stable doing 4.3ghz at 1.182 when Im using Folding@home for 4-5 hours
Edited by minimindy21 - 6/12/13 at 8:17am
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post #6 of 6
I would try checking the voltage with something other than CPUID Hardware Monitor and see what it shows you. With no one knowing what the IA voltage is supposed to be, I wouldn't base your overclock on it. Your problem with two voltages (1.182 and 1.297) is because Haswell automatically increases the VID when stressful programs are running. So if you put in an offset that gives you the voltage you want (the offset is added to the VID to get Vcore), then when the Adaptive VID increases because of the stress test, the Vcore goes up as well. The only way to avoid that happening is to run a manual voltage. For now, until the software catches up and people get a better grip on overclocking Haswell chips, I would just run in a manual fixed voltage. That way your load voltage is what you want, and you don't have to worry about unseen voltage spikes. As long as you have the power saving features turned on the chip is going to spend most of it's time in sleep states anyway, so the fixed voltage isn't going to cause any problems.
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