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Bad Vdrop Z370 Pro4

Printed From: ASRock.com
Category: Technical Support
Forum Name: Intel Motherboards
Forum Description: Question about ASRock Intel Motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=6897
Printed Date: 02 Aug 2025 at 1:06am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com


Topic: Bad Vdrop Z370 Pro4
Posted By: Maxmiz
Subject: Bad Vdrop Z370 Pro4
Date Posted: 10 Dec 2017 at 9:20pm
Hi

29 years old that I'm overclocking, never seen a Vdrop as bad!
My 8600K at 5ghz under stresstest Orthos, the vcore is between 1.392 and 1.454
Fix in bios at 1.42v is almost the same

I do not understand that a CM with 10 phases can have a Vdrop as bad.
It looks like it uses only 6 phases because the 4 of the top do not heat up.

I tried a lot of tuning and impossible to be stable in h24 at 5ghz, I am really very disappointed.
Since I overclook, I had to buy more than 100 motherboards, first time I buy Asrock and I think it's the last one.


My config:
Deepcool Genome 2
Seasonic 850w
G.Skill RGB 3000 C15  1.35v
I5 8600k not stable at 5ghz (sometimes blue screen & max 2mn with IntelBurnTest)
Vcore offset + 0.070v = 1.392v in A-Tuning
Cpu ratio 50
Cache ratio 46
Level 1



Replies:
Posted By: Maxmiz
Date Posted: 14 Dec 2017 at 3:49am
I resigned myself to 4900ghz at least it's stable in h24.
But it is absolutely necessary that the pb of vdrop is adjusted, otherwise a lot of processor will burn !

The worst thing is with the IntelBurnTest stressstest I go from 1.345v to almost 1.5v so my proc goes up to 100° in less than 30s then that make a mistake.

Under Orthos after 1 hour of stresstest it is generally at 1.345v and max 1.424v
That's what's good with Orthos is that the processor is always at 5ghz so you can see the vdrop.




Posted By: Maxmiz
Date Posted: 16 Dec 2017 at 8:42pm
" rel="nofollow - Stress test under Orthos 20mn at 4900 mhz:
At 1.36v (minimum value to be stable) I have some peaks at 1.429v and the proc does not exceed 68°.
In Offset 35 (minimum value to be stable) I have a lot more peaks and it goes up to 1.429v and it goes up to 74°.

On the other hand what is strange is that I am not stable under games with a fixed vcore, even increasing to 1.37v.
And in games with fixed or dynamic vcore there are peaks at 1.440v it's really a lot.


Ps: What's the point of having a forum if no one answers?


Posted By: mobiuus
Date Posted: 23 Dec 2017 at 5:35pm
" rel="nofollow - buddy u r not alone, this is my thread http://forum.asrock.com/forum_posts.asp?TID=7044&title=no-way-to-set-fixed-voltage-on-z370-gaming-k7-fata


Posted By: mobiuus
Date Posted: 23 Dec 2017 at 5:36pm
this was my first time of buying asrock mbo... and it will be my last time



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