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Gigabyte X79 UD7 Vdroop issue

 
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post #1 of 6 (permalink) Old 01-21-2020, 05:08 AM - Thread Starter
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Gigabyte X79 UD7 Vdroop issue

Hello,

i'm having a dilemma here as there seems a strange vdroop issue is happening to my X79 UD7, I'm on the latest bios which is F12f and when overclocking for instance to 4.5 and changing the vcore to 1.430v and set LLC to extreme, when I boot into windows the vdrop is 1.416v then when I hit it with load like Prime95 small FFT's the vcore changes to 1.392v which is pretty strange! it's a major vdroop close to 0.04!! which of course destabilize the overclock and if I changed the LLC settings lower than extreme it gets my worse, this issue causes me to run the CPU on higher vcore voltage than it needs, I contacted Gigabyte support and provided all the details even a video they said that they will schedule a test and see if the same issue occurs, this didn't happen in my Asus Rampage IV extreme at all.

I'm stuck here and I have no solution and I'm waiting for Gigabyte solution which I don't thing will solve anything.

I'm hoping that someone could help me with this issue or I'm doing something wrong or something.

the below photo album includes my bios settings:
https://ibb.co/album/mLDRTv

and here is the video I shot for Gigabyte for the issue:

here is my system specs:

GIGABYTE X79 UD7
i7 3930K
Corsair Vengeance 1600 4x4GB
EVGA GTX 780
SeaSonic 780 80 Bronze
Sound Blaster Fetal1ty
Cooling:
Dual D5 pumps
480 Radiator with Push/ Pull configurations
240 Radiator with Push/ Pull configurations
120 Radiator with Push/ Pull configurations

EK Blocks for CPU, GPU, VRM
HeatKiller block for the chipset

bitspower 250 ml reservoir
Mayhems XT1 - Collant

appreciate your help guys.
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post #2 of 6 (permalink) Old 01-21-2020, 06:40 AM
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I remember back when I was looking at X79 motherboards, GB boards did have an issue with vdroop. If GB X79 boards have a spread spectrum, or inrush current protection option, toying with those settings may help. Bumping up you PLL voltage should help too.

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Last edited by airisom2; 01-21-2020 at 06:45 AM.
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post #3 of 6 (permalink) Old 01-21-2020, 07:10 AM - Thread Starter
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Quote: Originally Posted by airisom2 View Post
I remember back when I was looking at X79 motherboards, GB boards did have an issue with vdroop. If GB X79 boards have a spread spectrum, or inrush current protection option, toying with those settings may help. Bumping up you PLL voltage should help too.
Thanks for your help, the current limits for the cpu in terms of Amps and Watts are modified to the max and the PLL voltage was set to 1.89, the same issue still happens, thats why I'm clueless
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post #4 of 6 (permalink) Old 01-21-2020, 07:35 AM
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What do those cpu current protection settings do? Maybe increasing the current protection threshold will allow more current on load, and thus higher voltage.

1680 V2 4.5GHz 1.33v | G.Skill Trident X 4X4GB 2400MHz | R4BE | Titan Xp + Morpheus II
Wasabi Mango UHD550 | Rosewill Rise | Thermalright LGM RT
Logitech G600 | G440 | Tt Meka G-Unit Cherry MX Black+Double O-Rings
JBL LSR308s | Temblor T10 | Custom headphones | TEAC-UD501+Passive Preamp | Emotiva BasX A-100
OCZ Vertex 4 256GB | 51TB DAS | SS Prime Ultra Titanium 1KW
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post #5 of 6 (permalink) Old 01-21-2020, 07:44 AM - Thread Starter
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Quote: Originally Posted by airisom2 View Post
What do those cpu current protection settings do? Maybe increasing the current protection threshold will allow more current on load, and thus higher voltage.
I got your point, I'm going to play with these settings today and see if it makes any difference, again thanks for your help.
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post #6 of 6 (permalink) Old 01-21-2020, 07:48 AM
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Glad to help. Hopefully that does it since I'm out of ideas lol.

1680 V2 4.5GHz 1.33v | G.Skill Trident X 4X4GB 2400MHz | R4BE | Titan Xp + Morpheus II
Wasabi Mango UHD550 | Rosewill Rise | Thermalright LGM RT
Logitech G600 | G440 | Tt Meka G-Unit Cherry MX Black+Double O-Rings
JBL LSR308s | Temblor T10 | Custom headphones | TEAC-UD501+Passive Preamp | Emotiva BasX A-100
OCZ Vertex 4 256GB | 51TB DAS | SS Prime Ultra Titanium 1KW
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