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Hot!Z390 Dark Voltages getting crazy

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d.burnette
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2019/11/26 15:59:56 (permalink)
I do not know what is going on with this Dark board and my 9900k CPU.
 
I have been running this thing at 5.1 GHz on all cores, no HT, and no AVX.
It has been solid since building it in Jan.
Several weeks back I posted suddenly my core temps had gotten much higher, and found by decreasing my vcore it was still stable and temps lowered back down. At the time I was running it around 1.15v I think once I settled in.
 
Now it is doing it again - noticed today after a gaming session my core temps were in the 80's. They usually run around 70.
So I have gone in again, and am now going through the process again of lowering the vcore even further and testing in between. So far I have tested down to 1.05v vcore set and it is passing, core temps getting closer to what they were. Now running a test at 1.00v. 
 
Running adaptive voltage, and under load getting to around 1.35-1.36v as viewed in CPUID.
 
In all my years of building these things, this is about the craziest thing I have ever seen on my end.
What the heck is going on?
I am running vdroop at +75%.
 
Anyone have any clue on why my rig is behaving in this manner?  Cause I am at a total loss.

Don 
 
 
EVGA Z390 Dark MB | i9 9900k CPU @ 5.2 GHz all cores | EVGA RTX 2080 Ti FTW3 Ultra | 32 GB G Skill Trident Z 3200 MHz CL14 DDR4 Ram | Corsair H150i Pro Cooler | EVGA T2 Titanium 1000w Power Supply | Samsung 970 Pro 1TB m.2 Nvme | Samsung 970 Evo 1TB m.2 Nvme | Samsung 860 Evo 1TB SATA SSD | EVGA DG 87 Case |
 
 
 
 
 
 
 
 
 
 
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    bob16314
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    Re: Z390 Dark Voltages getting crazy 2019/11/26 16:07:14 (permalink)
    I would change the Vdroop so the Vcore doesn't go up so much under load.

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    d.burnette
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    Re: Z390 Dark Voltages getting crazy 2019/11/26 16:21:37 (permalink)
    bob16314
    I would change the Vdroop so the Vcore doesn't go up so much under load.


    Is that not what adding vdroop does, like the +75 I have it set to now?
    Just passed at 1.00v.

    Don 
     
     
    EVGA Z390 Dark MB | i9 9900k CPU @ 5.2 GHz all cores | EVGA RTX 2080 Ti FTW3 Ultra | 32 GB G Skill Trident Z 3200 MHz CL14 DDR4 Ram | Corsair H150i Pro Cooler | EVGA T2 Titanium 1000w Power Supply | Samsung 970 Pro 1TB m.2 Nvme | Samsung 970 Evo 1TB m.2 Nvme | Samsung 860 Evo 1TB SATA SSD | EVGA DG 87 Case |
     
     
     
     
     
     
     
     
     
     
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    bob16314
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    Re: Z390 Dark Voltages getting crazy 2019/11/26 16:27:28 (permalink)
    Whichever way you have to change Vdroop, increase or decrease the value (however it works on that board), to get the Vcore down more under load..And make sure you have the latest mobo BIOS installed.

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    d.burnette
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    Re: Z390 Dark Voltages getting crazy 2019/11/26 16:44:06 (permalink)
    bob16314
    Whichever way you have to change Vdroop, increase or decrease the value (however it works on that board), to get the Vcore down more under load..And make sure you have the latest mobo BIOS installed.


     Yes I have the latest bios, even tried reflashing it a few weeks back.
    It is almost like vdroop is not doing anything, really crazy. 

    Don 
     
     
    EVGA Z390 Dark MB | i9 9900k CPU @ 5.2 GHz all cores | EVGA RTX 2080 Ti FTW3 Ultra | 32 GB G Skill Trident Z 3200 MHz CL14 DDR4 Ram | Corsair H150i Pro Cooler | EVGA T2 Titanium 1000w Power Supply | Samsung 970 Pro 1TB m.2 Nvme | Samsung 970 Evo 1TB m.2 Nvme | Samsung 860 Evo 1TB SATA SSD | EVGA DG 87 Case |
     
     
     
     
     
     
     
     
     
     
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    d.burnette
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    Re: Z390 Dark Voltages getting crazy 2019/11/26 17:28:44 (permalink)
    Still testing but looking like upping the vdroop from +75 to +90 (max) is going to make the difference for me.
    Have been inching up the vcore and testing, up to a more reasonable 1.28v now and core temps are much better. 
     
    I first tried going the other way with the vdroop as I was already at +75, but that was throwing even more voltage at the problem which was not good.
     
    I still do not understand what has changed over the last few months, and why I am having to make these changes now - all very odd I must say. Why in the world a system that has been stable all this time all of a sudden I had to lower and lower the voltage because it was suddenly apparently throwing more at it with the same settings.

    Don 
     
     
    EVGA Z390 Dark MB | i9 9900k CPU @ 5.2 GHz all cores | EVGA RTX 2080 Ti FTW3 Ultra | 32 GB G Skill Trident Z 3200 MHz CL14 DDR4 Ram | Corsair H150i Pro Cooler | EVGA T2 Titanium 1000w Power Supply | Samsung 970 Pro 1TB m.2 Nvme | Samsung 970 Evo 1TB m.2 Nvme | Samsung 860 Evo 1TB SATA SSD | EVGA DG 87 Case |
     
     
     
     
     
     
     
     
     
     
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    d.burnette
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    Re: Z390 Dark Voltages getting crazy 2019/11/27 03:33:35 (permalink)
    So after continuing testing I have reached a vcore setting of 1.310 with the + 90 vdroop and so far appears it may be stable.
    Core temps whilst testing in Intel Extreme Utility running around 70-74c.
     
    Now how crazy is this:
    At +75 vdroop, suddenly I find it giving a lot more voltage, and actually had to reduce my vcore to 1.00 to get it back in line temp wise and stable. Then I up to +90 vdroop and have to raise my vcore up to 1.31.
     
    Never seen anything like this - so crazy. Will give more time today and testing to insure it is indeed stable at this setting.
     
     

    Don 
     
     
    EVGA Z390 Dark MB | i9 9900k CPU @ 5.2 GHz all cores | EVGA RTX 2080 Ti FTW3 Ultra | 32 GB G Skill Trident Z 3200 MHz CL14 DDR4 Ram | Corsair H150i Pro Cooler | EVGA T2 Titanium 1000w Power Supply | Samsung 970 Pro 1TB m.2 Nvme | Samsung 970 Evo 1TB m.2 Nvme | Samsung 860 Evo 1TB SATA SSD | EVGA DG 87 Case |
     
     
     
     
     
     
     
     
     
     
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    d.burnette
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    Re: Z390 Dark Voltages getting crazy 2019/11/27 06:57:53 (permalink)
    This is about the craziest thing I have ever seen.
    I could not get stable with +90 vdroop, threw as much voltage at it as I was comfortable with.
    So I went back to +75 vdroop.
    Now have my vcore all way back down to .990v. It is starting to look stable now, although it is still throwing little more voltage under load than I would like - peaking around 1.38v with core temps in mid to upper 70's..
     
    Will keep tweaking and testing, but man this is frustrating as all get out. Just makes no sense at all.
    I may end up just lowering my overclock from 5.1 on all cores to 5.0 on all cores and see what I get.
     
    Edit: I now have vcore down to .982, so far seems stable at my 5.1 but vcore still spiking under load up to like 1.38, so core temps still in upper 70's. I will see how it does in my gaming, may end up lowering the vdroop some as well.
     
    Edit 2: Vcore down to .980 now, still seems stable so far in testing. Core temps more reasonable in low 70's. 
    So for whatever reason, my Z390 Dark keeps putting more voltage in my vcore apparently, at least on my previous settings - and I find out by monitoring my core temps and noticing them getting up into the 80's which is unusual for my rig. I then find out I can lower the vcore even more to account for this and get it back to where it about was temp and stability wise.
     
     I don't think I could get more baffled. It does though cause me concern on what in the world is going on with my motherboard/cpu.
    When I first built this rig in Jan. think I was running at 1.28 on the vcore and everything was great at this overclock. Over time I apparently have to keep lowering my vcore setting to provide the same end result.
     
    post edited by d.burnette - 2019/11/27 10:08:38

    Don 
     
     
    EVGA Z390 Dark MB | i9 9900k CPU @ 5.2 GHz all cores | EVGA RTX 2080 Ti FTW3 Ultra | 32 GB G Skill Trident Z 3200 MHz CL14 DDR4 Ram | Corsair H150i Pro Cooler | EVGA T2 Titanium 1000w Power Supply | Samsung 970 Pro 1TB m.2 Nvme | Samsung 970 Evo 1TB m.2 Nvme | Samsung 860 Evo 1TB SATA SSD | EVGA DG 87 Case |
     
     
     
     
     
     
     
     
     
     
    #8
    d.burnette
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    Re: Z390 Dark Voltages getting crazy 2019/11/27 10:10:52 (permalink)
    Crap, something must be wrong with the forums, looks like I just lost a couple of detailed posts from this morning - they are gone it seems.
     
    In short I am now at .980 vcore and seemingly stable.
    Why in the world over the weeks do I keep having to lower my vcore to give me the same end result, crazy. I think when I first built this rig in Jan I was running around 1.28v on vcore with the same overclock settings with good results. Now have had to back it down to .980... Causes me a lot of concern.
    post edited by d.burnette - 2019/11/27 10:13:05

    Don 
     
     
    EVGA Z390 Dark MB | i9 9900k CPU @ 5.2 GHz all cores | EVGA RTX 2080 Ti FTW3 Ultra | 32 GB G Skill Trident Z 3200 MHz CL14 DDR4 Ram | Corsair H150i Pro Cooler | EVGA T2 Titanium 1000w Power Supply | Samsung 970 Pro 1TB m.2 Nvme | Samsung 970 Evo 1TB m.2 Nvme | Samsung 860 Evo 1TB SATA SSD | EVGA DG 87 Case |
     
     
     
     
     
     
     
     
     
     
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    d.burnette
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    Re: Z390 Dark Voltages getting crazy 2019/11/27 14:00:53 (permalink)
    I keep lowering vcore, down to .970 now, and voltage/temps rising during stress.
    I think I need a throwing in the towel emoticon...
     
    Edit: It does not appear to me, lowering vcore is really changing my voltage any more. Have it down to .950 now and while stressing it is still pumping up to 1.36-1.38 with core temps peaking into mid 70's. 
     
    Edit 2: Down to .92 vcore and +75% vdroop, appears to be very close now to what it was running previously.
    Think I am good for now, until it decides to change once again. I still have a bad feeling about this.
    post edited by d.burnette - 2019/11/28 05:32:59

    Don 
     
     
    EVGA Z390 Dark MB | i9 9900k CPU @ 5.2 GHz all cores | EVGA RTX 2080 Ti FTW3 Ultra | 32 GB G Skill Trident Z 3200 MHz CL14 DDR4 Ram | Corsair H150i Pro Cooler | EVGA T2 Titanium 1000w Power Supply | Samsung 970 Pro 1TB m.2 Nvme | Samsung 970 Evo 1TB m.2 Nvme | Samsung 860 Evo 1TB SATA SSD | EVGA DG 87 Case |
     
     
     
     
     
     
     
     
     
     
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    kelkel1
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    Re: Z390 Dark Voltages getting crazy 2019/11/28 06:48:51 (permalink)
    I presume these are BIOS voltages?
     
    Have you tried using a DMM to check the actual voltages at the test points?

    Z390 DARK, 9900K, 2080 FTW3 ULTRA, GSKILL 4500, 960EVO M.2
    https://valid.x86.fr/52sqs5
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    d.burnette
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    Re: Z390 Dark Voltages getting crazy 2019/11/28 06:57:00 (permalink)
    kelkel1
    I presume these are BIOS voltages?
     
    Have you tried using a DMM to check the actual voltages at the test points?




    Yes bios voltage, and voltages read out on monitoring software whist stressing - CPUID.
    No I do not have a DMM.
    post edited by d.burnette - 2019/11/28 07:19:32

    Don 
     
     
    EVGA Z390 Dark MB | i9 9900k CPU @ 5.2 GHz all cores | EVGA RTX 2080 Ti FTW3 Ultra | 32 GB G Skill Trident Z 3200 MHz CL14 DDR4 Ram | Corsair H150i Pro Cooler | EVGA T2 Titanium 1000w Power Supply | Samsung 970 Pro 1TB m.2 Nvme | Samsung 970 Evo 1TB m.2 Nvme | Samsung 860 Evo 1TB SATA SSD | EVGA DG 87 Case |
     
     
     
     
     
     
     
     
     
     
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    bp7178
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    Re: Z390 Dark Voltages getting crazy 2019/11/28 08:23:52 (permalink)
    IIRC, CPUZ will just give VID values not VCORE when used with the Z390 Dark. 
    #13
    d.burnette
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    Re: Z390 Dark Voltages getting crazy 2019/11/28 08:49:03 (permalink)
    bp7178
    IIRC, CPUZ will just give VID values not VCORE when used with the Z390 Dark. 


    Ok thanks, will check into the differences.
    I am still quite perplexed though over the continuing need to lower my vcore in bios under what it used to run at.

    Don 
     
     
    EVGA Z390 Dark MB | i9 9900k CPU @ 5.2 GHz all cores | EVGA RTX 2080 Ti FTW3 Ultra | 32 GB G Skill Trident Z 3200 MHz CL14 DDR4 Ram | Corsair H150i Pro Cooler | EVGA T2 Titanium 1000w Power Supply | Samsung 970 Pro 1TB m.2 Nvme | Samsung 970 Evo 1TB m.2 Nvme | Samsung 860 Evo 1TB SATA SSD | EVGA DG 87 Case |
     
     
     
     
     
     
     
     
     
     
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    d.burnette
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    Re: Z390 Dark Voltages getting crazy 2019/11/29 06:23:45 (permalink)
    Well at this point I do not think lowering my vcore in bios is really having any affect.
    Down to .800v now set it bios.
    Reads in bios - 1.34-1.37.
    VID under stressing bops around 1.33-1.38v.
    It has remained this way each time I lower the vcore in bios. 
     
    To summarize: When I initially built this rig in Jan, I was at a much higher vcore and lowering would reduce temps but also would become unstable. Several weeks ago noticed my core temps going up, and started reducing vcore and surprisingly found it still stable. 
    Notice core temps going up again a few days ago, and started the process of lowering vcore and testing once again. Brings me to where I am today.
    I would also note 0.800v is lowest setting I can go in bios...
     
    Vdroop settings do have an affect. Settled at +75% to help keep voltage down a little. +90% causes instability.
    When this problem started, I even tried re-flashing the bios, did not help.
     
    So now I wonder, could my 9900k be suffering from degradation? Or an issue with my Dark board?
    This thing has me so perplexed. The system is stable, albeit I wish I could lower the voltage a little more to get little better core temps ( mid to upper 70's currently). Previously I was in the upper 60's to low 70's with of course higher vcore and stable.
    post edited by d.burnette - 2019/11/29 06:31:39

    Don 
     
     
    EVGA Z390 Dark MB | i9 9900k CPU @ 5.2 GHz all cores | EVGA RTX 2080 Ti FTW3 Ultra | 32 GB G Skill Trident Z 3200 MHz CL14 DDR4 Ram | Corsair H150i Pro Cooler | EVGA T2 Titanium 1000w Power Supply | Samsung 970 Pro 1TB m.2 Nvme | Samsung 970 Evo 1TB m.2 Nvme | Samsung 860 Evo 1TB SATA SSD | EVGA DG 87 Case |
     
     
     
     
     
     
     
     
     
     
    #15
    kelkel1
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    Re: Z390 Dark Voltages getting crazy 2019/11/29 06:35:34 (permalink)
    It sounds like the motherboard (or the BIOS).
     
    If you had another processor to swap in, that could help narrow it down.
     
    I would probably submit a support ticket request.

    Z390 DARK, 9900K, 2080 FTW3 ULTRA, GSKILL 4500, 960EVO M.2
    https://valid.x86.fr/52sqs5
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    d.burnette
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    Re: Z390 Dark Voltages getting crazy 2019/11/29 07:47:00 (permalink)
    kelkel1
    It sounds like the motherboard (or the BIOS).
     
    If you had another processor to swap in, that could help narrow it down.
     
    I would probably submit a support ticket request.


    Thanks for that.
     
    I decided to say heck with Adaptive voltage in bios and give Override option a try.
    Now it seem I have proper control of my voltage and it is behaving as expected. Now it is giving it close to what I set in bios.
    I am currently adjusting voltage and stress testing in between, and it appears I am going to be able to get it back to about where it used to be regarding stability and core temps. Started with a higher vcore (1.38v) and am now working my way down in steps, down to 1.34v now and looking good. Will keep going and see where I end up.
     
    So apparently something somehow went haywire on me with using the Adaptive voltage option in the bios.
    Maybe I never should have been on Adaptive from the get go, I don't know. But it used to work fine for me, not sure why it changed.
     
    Edit: Update - have it now at 1.31v at Override, stressing looking good, core temps under stress now back to like what they used to be, upper 60's to low 70's. It is so nice now I have control over my voltage once again - don't know what happened with it set on adaptive... certainly going to leave it set to Override now.
    post edited by d.burnette - 2019/11/29 10:47:27

    Don 
     
     
    EVGA Z390 Dark MB | i9 9900k CPU @ 5.2 GHz all cores | EVGA RTX 2080 Ti FTW3 Ultra | 32 GB G Skill Trident Z 3200 MHz CL14 DDR4 Ram | Corsair H150i Pro Cooler | EVGA T2 Titanium 1000w Power Supply | Samsung 970 Pro 1TB m.2 Nvme | Samsung 970 Evo 1TB m.2 Nvme | Samsung 860 Evo 1TB SATA SSD | EVGA DG 87 Case |
     
     
     
     
     
     
     
     
     
     
    #17
    d.burnette
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    Re: Z390 Dark Voltages getting crazy 2019/11/30 11:17:33 (permalink)
    After most of the day yesterday tuning and testing, I seem to have found the sweet spot for me at
    1.29v and -75% Vdroop.
    Core temps whilst stressing around 70-73c, spent today gaming and core temps never even broke 70c, they were in mid to high 60's. Even better than I previously had before all this started.
     
    So the Override Option is golden for me, won't be doing the adaptive any more, it got to where it was acting nuts.
    Hopefully the voltage in Override option stays consistent.
    post edited by d.burnette - 2019/11/30 11:21:04

    Don 
     
     
    EVGA Z390 Dark MB | i9 9900k CPU @ 5.2 GHz all cores | EVGA RTX 2080 Ti FTW3 Ultra | 32 GB G Skill Trident Z 3200 MHz CL14 DDR4 Ram | Corsair H150i Pro Cooler | EVGA T2 Titanium 1000w Power Supply | Samsung 970 Pro 1TB m.2 Nvme | Samsung 970 Evo 1TB m.2 Nvme | Samsung 860 Evo 1TB SATA SSD | EVGA DG 87 Case |
     
     
     
     
     
     
     
     
     
     
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    thebski
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    Re: Z390 Dark Voltages getting crazy 2019/12/03 02:33:09 (permalink)
    Have you flashed the bios recently? I only ask because I had a Dark board and 9900KS and it was doing similar things on Auto and Adaptive voltage settings. It was is if I had no voltage control. Something happened that killed the CPU and the board so I am currently waiting on replacement parts so can't really test anymore atm. I only tried bios 1.07. I didn't know if yours changing behavior coincided with updating the bios. Maybe there is a bug in 1.07.

     
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    d.burnette
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    Re: Z390 Dark Voltages getting crazy 2019/12/03 03:40:45 (permalink)
    thebski
    Have you flashed the bios recently? I only ask because I had a Dark board and 9900KS and it was doing similar things on Auto and Adaptive voltage settings. It was is if I had no voltage control. Something happened that killed the CPU and the board so I am currently waiting on replacement parts so can't really test anymore atm. I only tried bios 1.07. I didn't know if yours changing behavior coincided with updating the bios. Maybe there is a bug in 1.07.



    Mine did it with both bios. Even tried re-flashing the latest bios which did not help.

    Don 
     
     
    EVGA Z390 Dark MB | i9 9900k CPU @ 5.2 GHz all cores | EVGA RTX 2080 Ti FTW3 Ultra | 32 GB G Skill Trident Z 3200 MHz CL14 DDR4 Ram | Corsair H150i Pro Cooler | EVGA T2 Titanium 1000w Power Supply | Samsung 970 Pro 1TB m.2 Nvme | Samsung 970 Evo 1TB m.2 Nvme | Samsung 860 Evo 1TB SATA SSD | EVGA DG 87 Case |
     
     
     
     
     
     
     
     
     
     
    #20
    kelkel1
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    Re: Z390 Dark Voltages getting crazy 2019/12/03 13:40:43 (permalink)
    Have you tried the XOC BIOS?

    Z390 DARK, 9900K, 2080 FTW3 ULTRA, GSKILL 4500, 960EVO M.2
    https://valid.x86.fr/52sqs5
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    d.burnette
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    Re: Z390 Dark Voltages getting crazy 2019/12/04 03:14:19 (permalink)
    kelkel1
    Have you tried the XOC BIOS?


    No not familiar with that, am on latest official bios 1.07.
    Pretty happy with where I am now though after changing to Override on my voltage setting.

    Don 
     
     
    EVGA Z390 Dark MB | i9 9900k CPU @ 5.2 GHz all cores | EVGA RTX 2080 Ti FTW3 Ultra | 32 GB G Skill Trident Z 3200 MHz CL14 DDR4 Ram | Corsair H150i Pro Cooler | EVGA T2 Titanium 1000w Power Supply | Samsung 970 Pro 1TB m.2 Nvme | Samsung 970 Evo 1TB m.2 Nvme | Samsung 860 Evo 1TB SATA SSD | EVGA DG 87 Case |
     
     
     
     
     
     
     
     
     
     
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    kelkel1
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    Re: Z390 Dark Voltages getting crazy 2019/12/04 14:35:33 (permalink)
    XOC BIOS offers quite a few extras, but not sure it would help with your issue.
     
    It does appear to be quite stable, for me at least.
     
    https://xdevs.com/doc/_PC...E399_flashtool_093.zip

    Z390 DARK, 9900K, 2080 FTW3 ULTRA, GSKILL 4500, 960EVO M.2
    https://valid.x86.fr/52sqs5
    #23
    d.burnette
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    Re: Z390 Dark Voltages getting crazy 2019/12/05 05:04:23 (permalink)
    kelkel1
    XOC BIOS offers quite a few extras, but not sure it would help with your issue.
     
    It does appear to be quite stable, for me at least.
     
    https://xdevs.com/doc/_PC...E399_flashtool_093.zip


    Thanks but as I said, since changing voltage from adaptive to override, everything working swimmingly for me - at least so far. Not going to mess with it at this time.

    Don 
     
     
    EVGA Z390 Dark MB | i9 9900k CPU @ 5.2 GHz all cores | EVGA RTX 2080 Ti FTW3 Ultra | 32 GB G Skill Trident Z 3200 MHz CL14 DDR4 Ram | Corsair H150i Pro Cooler | EVGA T2 Titanium 1000w Power Supply | Samsung 970 Pro 1TB m.2 Nvme | Samsung 970 Evo 1TB m.2 Nvme | Samsung 860 Evo 1TB SATA SSD | EVGA DG 87 Case |
     
     
     
     
     
     
     
     
     
     
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