cpu vid This is a topic that many people are looking for. savegooglewave.com is a channel providing useful information about learning, life, digital marketing and online courses …. it will help you have an overview and solid multi-faceted knowledge . Today, savegooglewave.com would like to introduce to you VID, vCore and Loadline Calibration explained. Following along are instructions in the video below:
“Guys welcome to a new video. I was actually just working on a new video video where i wanted to explain how the vrms on your mainboard work so in how the twelve volt of your psu are going to be transformed into the core voltage. And yeah. While i was thinking about how i m going to explain it i came.
Across the words. Vi. D. Co voltage.
And load line calibration. And so i thought i will just do a quick video first and i will explain now what a co voltage v core vi d and the load line calibration zar okay to understand cpu vi d. Core voltage and load line calibration. We will look at a small example.
In this example. We have a cpu vi. D. At one point.
Two five volt. Like i said. Before it s just an example. It doesn t mean that your.
Cpu has to have a cpu v id of 125 volt vi d means voltage identification definition and it s really important that you understand that the vad is not a real voltage. It s just a value which is delivered from your cpu to the mainboard once you start up your computer. So after a few milliseconds. The cpu is sending this v id to the mainboard.
So the mainboard knows exactly which voltage..
It has to deliver to the cpu the v id is also a maximum value provided by intel so intel says for this specific cpu. The maximum value would be one point two five volt now we will take a look at the example and in this example. You have an idle voltage of one point three three volt and still the v id of one point two five volt. The idle would mean something like you re sitting in windows.
And you don t do anything so. At this point. You decide to start a benchmark and you can see because you started the benchmark the cpu voltage is dropping down until you reach this point this is the maximum negative overshoot. This is caused by the fact that the cpu vrms cannot look into the future.
They just have to provide power and at this point during this drop. They realize okay we have to deliver a lot more energy to the cpu because it s a load. So it takes a little bit of time until they have the stable load. That s just no there s nothing you can do about it this would be the value you can read out with for example.
Cpu z. During the benchmark load. Once the benchmark is over it will be this point. The cpu voltage is shooting up again.
It s actually the same like on the left you have the same reason. The cpu vrms cannot talk it to the future. So you will have a small voltage peak caused by the fact that the vrms are still delivering energy and they just have to realize that there is less energy needed to the cpu. So again it will take few milliseconds and then again.
You have the idle voltage. The same level like before at one point. Two three volt and you stay below the cpu. V.
Which is exactly. What intel once intel wants you to stay below the vi d. And to increase. The cpu lifespan at this example.
We increased the cpu voltage may be manually in bios from one point to three volt to 125. Volt. So you start at the same level like the v id. You can see here cpu v.
Id. Is the same like the cpu idle voltage again at this point. You decide to start your benchmark voltage is dropping down to one point one nine volt and in the end it results in a stable benchmark voltage of one point to one volt so you basically increased the load voltage during the benchmark maybe to overclock and to have more stability again the benchmark is over at this point voltage is increasing until you hit the peak voltage. And in this example you can see the peak voltage is at one point two seven.
Volt which is actually over the cpu. V. Id of 125. Volt.
So this is already out of inter. Specification even though you might. Think the cpu. V.
Id is 125. Volts. And you re not not exceeding it right and because cpu z will only detect the idle voltage of 125. Volts.
And it will detect the load voltage of 1 point..
To 1 volt. So you might think. Ok i m still in with into specifications because i never exceeded 125. Volt.
However that s not really right because you exceeded the vi d with a peak voltage. But the peak voltage is such small time span that you cannot measure it i just want you to be aware of the peak voltages. So you don t think you re still inside intel. Specs right okay.
So one more really important factor is the cpu load line calibration. This is really really important for overclockers because a lot line calibration can adjust the v. Group the v groove is the difference between the load voltage and the idle voltage like i said before the difference between load and idle voltage is something you really want to have because you reduce the cpu peak voltages. However sometimes if you want want to overclock.
Really high for benchmarks or even for daily usage. You have to increase the low voltage and of course. You don t want to exceed the idle voltage either right you don t want to want to go to maybe one point two eight volt. An idle just to have forty mini world s more unload that s why you can use the load line calibration calibration.
You can adjust this you can adjust the difference between load and idle. So now we will take a look at an example what happens. If you set the load line calibration to the maximum so the load voltage is exactly at the same value like the idle. Voltage this would be this example you can see i ll bolt egde.
125 volt load voltage would be here also 125 volt and again i ll bolt egde also 15. Volt. Of course. You might think hey i m still in inside into the intro.
Specs because cpu..
C is always. Reporting 125 volt. So you think okay that s cool. But it s not really true right because you have a huge negative overshoot here and you re already between from from idle to load.
You already exceed the int l specs just because of the voltage peak and it gets even worse if you hit this. Point when a benchmark is all and you have a peak voltage of 13. One volt. So in fact you still think hey everything is.
Fine i m always having 125 volt. In cpu z. And not above the cpu vig. I m not above intra specs.
But it s really true because you cannot measure the cpm that the peak voltages because they re simply way too fast for you to measure. I just want you guys to be aware of it. So i hope you understood what load line calibration. Vi.
D. And the real core voltage is about if you have any questions just drop it in the comments and i will try my best to explain it to you if you like this video. Please give it a like and maybe hit. ” .
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