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PPT arbitrarily limited in Windows

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post #21 of 26 (permalink) Old 06-19-2020, 07:13 AM
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https://www.tomshardware.com/amp/fea...-cheat-testing

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post #22 of 26 (permalink) Old 06-19-2020, 07:45 AM - Thread Starter
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I'm more inclined to go back to an Intel platform than to reformat my main install

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post #23 of 26 (permalink) Old 06-19-2020, 08:07 AM
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Quote: Originally Posted by ManniX-ITA View Post
I'm more inclined to go back to an Intel platform than to reformat my main install
Hehe...

When I read that article I post I found this.

Engaging PBO overrides the stock settings for these variables. The basic "enabled (PBO on)" preset enables significantly higher PPT/TDC/EDC limits, but doesn't change two important settings: PBO Scalar or Clock.
PBO Scalar overrides the AMD default health management settings and allows increased voltage at the maximum boost frequency and lengthens boosting duration. Changing the PBO Scalar setting unlocks the best auto-overclocking performance, so the basic preset can be lacking. 
You can also use the "PBO Advanced" profile that defines the limits of each motherboard based on the capabilities of the power delivery subsystem (as defined by the motherboard vendor).


So to get the max out of the CPU is to enable PBO in bios or PBO advanced. I am using the vendor settings and higher up the limits.

The difference between USB drive and hard drive maybe are only failed reads in the software? As article mention it seams the best software to calc power consumption is HWinfo.


Default for Socket AM4 is at least 142W on motherboards rated for 105W TDP processors

So this should be able to reach.

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Last edited by Mullcom; 06-19-2020 at 08:11 AM.
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post #24 of 26 (permalink) Old 06-19-2020, 08:11 AM - Thread Starter
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Quote: Originally Posted by Mullcom View Post
Hehe...

When I read that article I post I found this.

Engaging PBO overrides the stock settings for these variables. The basic "enabled (PBO on)" preset enables significantly higher PPT/TDC/EDC limits, but doesn't change two important settings: PBO Scalar or Clock.
PBO Scalar overrides the AMD default health management settings and allows increased voltage at the maximum boost frequency and lengthens boosting duration. Changing the PBO Scalar setting unlocks the best auto-overclocking performance, so the basic preset can be lacking. 
You can also use the "PBO Advanced" profile that defines the limits of each motherboard based on the capabilities of the power delivery subsystem (as defined by the motherboard vendor).


So to get the max out of the CPU is to enable PBO in bios or PBO advanced. I am using the vendor settings and higher up the limits.

The difference between USB drive and hard drive maybe are only failed reads in the software? As article mention it seams the best software to calc power consumption is HWinfo.





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I can see the same reading about power consumption both in HWInfo and Ryzen Master.
And I also get an horrible score in CB20 MT...

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post #25 of 26 (permalink) Old 06-19-2020, 09:30 AM - Thread Starter
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LoL, how dumb

I thought I was using P95 Large FFTs on the USB stick but it was Small FFTs...
Was too weird so I started from scratch and it caught my eye immediately, I use a shortcut on the USB stick while I was launching manually on the main install.
There's no issue, I made it up
The awful CB20 scores were due to some background stuff doing worse than usually.

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post #26 of 26 (permalink) Old 06-19-2020, 09:56 AM
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As always 95% is the user behind the electronic

But we learn everytime something new.


Good you finding the issue and solved it.
^_^

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