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AB350 Cool & Quiet breaks overclock

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    Posted: 12 Apr 2017 at 11:40pm
Originally posted by mkmcgregor mkmcgregor wrote:

I stated 2.20, but I meant 2.22 beta is broken. You can overclock with either, but in 2.22 beta with Cool 'n' Quiet enabled, booting into windows will lock your clock to 1200MHz or around there regardless of the BIOS setting; actually as before task manager shows maximum CPU clock as what is set in BIOS, e.g. 3.8GHz, but actual running clock shown in the same panel maxes out in the lower 1100-1200MHz.


There might be a UEFI issue with that version, I don't have that board so I can't verify that either way.

What is your VCore mode set to, Auto? I have mine set to Offset, with the Offset value left on Auto. I have C n Q enabled, and C6 enabled. All cores at 38.25 to compensate for the BCLK droop. Using the AMD Ryzen Power Plan. The result:



Processor speed of 3.8GHz, which stays there due to the Ryzen Power Plan disabling core parking. If you check the VCore in the lower right side, you can see it ranges from 1.360V to 0.384V, so C n Q is active. We can also see the Core powers are varying quite a bit. Differences in CPU temperature also indicate it is working.





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Post Options Post Options   Thanks (0) Thanks(0)   Quote mkmcgregor Quote  Post ReplyReply Direct Link To This Post Posted: 12 Apr 2017 at 9:57pm
I stated 2.20, but I meant 2.22 beta is broken. You can overclock with either, but in 2.22 beta with Cool 'n' Quiet enabled, booting into windows will lock your clock to 1200MHz or around there regardless of the BIOS setting; actually as before task manager shows maximum CPU clock as what is set in BIOS, e.g. 3.8GHz, but actual running clock shown in the same panel maxes out in the lower 1100-1200MHz.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote potyec Quote  Post ReplyReply Direct Link To This Post Posted: 12 Apr 2017 at 3:32pm

I did not updated for for the new beta 2.22 version but my OC working with 2.20


Edited by potyec - 12 Apr 2017 at 3:32pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mkmcgregor Quote  Post ReplyReply Direct Link To This Post Posted: 12 Apr 2017 at 2:01am
While I'm in here, the latest 2.20 BIOS beta breaks Cool 'n' Quiet ... again. And yes wardog, I read your post about the azz whooping of the VRM. My VRM needs a good azz whooping. And as before, disabling C 'n' Q in BIOS allows normal overclocking. Looks like I won't bother turning that back on.  
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mkmcgregor Quote  Post ReplyReply Direct Link To This Post Posted: 12 Apr 2017 at 1:57am
4.0+ will depend on the silicon lottery. Even if your running an 1800X, they don't guarantee 4.0 on all cores. 4.0 is turbo only on one core with XFR up to 4.1. So 4.0GHz on all cores is still up to silicon quality and alignment of the quark gnomes.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote potyec Quote  Post ReplyReply Direct Link To This Post Posted: 26 Mar 2017 at 2:41am

4Ghz was not stable on AIDA64 stress test .

I did disabled  CnQ + C6

I did set the fans on Custom speed ( high) .
I did changed the power usage in Windows for High Performance-to.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote wardog Quote  Post ReplyReply Direct Link To This Post Posted: 25 Mar 2017 at 7:14pm
And to those here .......

Keep in mind, when you have all  the power saving features enabled _and_ run an OC that the boards VRM section takes a sever azz whooping in constantly flipping high and flipping low. That's just the nature of electronics and no getting around it.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote wardog Quote  Post ReplyReply Direct Link To This Post Posted: 25 Mar 2017 at 7:07pm
Originally posted by potyec potyec wrote:

Sadly looks like 4Ghz you need like 1.45++ volts .

Even 1.455 v is not enough


With CnQ Enabled on AMD processors CnQ will slightly stymie an OC.

Are you able to match your OC a few posts up while disabling CnQ?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote potyec Quote  Post ReplyReply Direct Link To This Post Posted: 25 Mar 2017 at 5:39am
The 4Ghz was not stable under stress test even with 1.45v and Im not gonna try higher .

So now 3.9Ghz on 1.375v  

Aida64 stress test done .

Im using Noctua NH-D15  SE-AM4   ( max temp 63C )

On 4Ghz max temp was 68 C


Sadly looks like 4Ghz you need like 1.45++ volts .

Even 1.455 v is not enough
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Post Options Post Options   Thanks (0) Thanks(0)   Quote wardog Quote  Post ReplyReply Direct Link To This Post Posted: 24 Mar 2017 at 11:58am
Guys and Gals(PC: Gals and Guys), is it OK, now with L1.44 out, that I can mark this [SOLVED] so that later comers here can see it instead of creating a new thread of their own?


Edited by wardog - 24 Mar 2017 at 11:59am
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