telehog
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Re: i9-9900KS, Z390 Dark and High Voltages
2019/11/30 16:09:53
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Also use K|NGP|N Thermal paste. 
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bp7178
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Re: i9-9900KS, Z390 Dark and High Voltages
2019/11/30 16:49:45
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What is your speed and temps on an AVX workload?
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d.burnette
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Re: i9-9900KS, Z390 Dark and High Voltages
2019/12/01 04:46:12
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Sounds like a sweet chip you have there!
Don EVGA Z390 Dark MB | i9 9900k CPU @ 5.2 GHz all cores | EVGA RTX 3090 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: i9-9900KS, Z390 Dark and High Voltages
2019/12/01 04:52:20
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telehog
cpu-z stress test at 5.0 ghz , 1.238 volts, temp, 48c to 58c ambient 72f, 5.3 ghz ,1.373 volts, temp 62c to 72 c ambient 72f, Heaven stress test 5.4 ghz, 1.411 volts 22 c to 53 c, ambient 40 f with garage door open.5.4 and above Garage door is open!
What is that graph you are using? For me, CPU-Z does not display Core Voltage, only VID. Thought I might post mine running CPU-Z stress at 5300MHz. https://ibb.co/bgYkYbk
post edited by kelkel1 - 2019/12/01 05:55:10
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bp7178
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Re: i9-9900KS, Z390 Dark and High Voltages
2019/12/01 15:27:41
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With a EVGA Z390 Dark, CPU-Z only displays the VID.
On my Asus Z390 Maximus XI Formula, it displays core voltage.
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thebski
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Re: i9-9900KS, Z390 Dark and High Voltages
2019/12/02 18:33:18
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You can use EVGA Eleet software or HWInfo 64 to read the actual voltages.
As for the high voltages, I had the same thing and I think it killed the CPU. I set Adaptive voltage to 1.3V and it was giving the CPU 1.45V and more. The only way I could get accurate voltage settings was to use manual Voltage. The only problem is I did not know this right off the bat because I didn't know CPU-Z didn't read properly.
I think this is a result of not having adjustable AC and DC load line settings. On Asus Z270/Z370 you had to set those voltages to 0.01 offset to prevent similar behavior to what I see on the Dark when using some kind of variable voltage setting. I hope they do something with it soon.
Asus Maximus X Apex || Intel Core i7-8700K @ 5.2 Ghz 1.376V || 16 GB Corsair Dominator Platinum SE @ 4133 C17 || EVGA GTX 1080 || EVGA 850 T2 || Saumsung 950 Pro 512 GB || Samsung 960 Pro 1 TB || Saumsung 850 Pro 1 TB || Creative ZxR ||
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kelkel1
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Re: i9-9900KS, Z390 Dark and High Voltages
2019/12/03 13:44:22
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I agree the Dark needs Load Line settings.
I find that using negative offsets helps with the overvoltage.
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bp7178
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Re: i9-9900KS, Z390 Dark and High Voltages
2019/12/06 09:49:26
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All you really have to do is change the default LLC setting to -75% if all you want is for your 9900KS to function as intended from Intel.
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d.burnette
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Re: i9-9900KS, Z390 Dark and High Voltages
2019/12/07 04:33:19
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thebski
You can use EVGA Eleet software or HWInfo 64 to read the actual voltages.
As for the high voltages, I had the same thing and I think it killed the CPU. I set Adaptive voltage to 1.3V and it was giving the CPU 1.45V and more. The only way I could get accurate voltage settings was to use manual Voltage. The only problem is I did not know this right off the bat because I didn't know CPU-Z didn't read properly.
I think this is a result of not having adjustable AC and DC load line settings. On Asus Z270/Z370 you had to set those voltages to 0.01 offset to prevent similar behavior to what I see on the Dark when using some kind of variable voltage setting. I hope they do something with it soon.
I would highly caution anyone with the Z390 Dark to stay away from setting voltage in bios to Adaptive. I found with mine over time it would increase the amount of Vcore it was throwing at the CPU. I notice this by the increasing core temps over the last several months. I always keep my core temps on display. I would then check it under stress and voltage was getting way up there. So I would decrease the target Vcore setting when this happened. Ended up around like .95 Vcore and it was still throwing around 1.38 -1.39 at it. You can see what I was experiencing in this thread. I then a few days ago changed my voltage in bios from Adaptive to Override. Gave me much finer and realistic control over my Vcore. It also allowed me to overclock a little higher, have just increased from 5.1 GHz on all core of my 9900k to 5.2 GHz on all cores and stable, core temps in low to mid 70's while stressing. Target voltage set to 1.315v and -75% Vdroop. While stressing it bobs up to 1.36v occasionally. I never could get it above 5.1 when using Adaptive voltage. Going to run it like this a few days at 5.2 GHz and if all still looking good may even try for 5.3. There is something awry though with using Adaptive Voltage in this Dark board. I would highly advise folks to stay away from it, and EVGA should really take a look at it.
post edited by d.burnette - 2019/12/07 04:41:28
Don EVGA Z390 Dark MB | i9 9900k CPU @ 5.2 GHz all cores | EVGA RTX 3090 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: i9-9900KS, Z390 Dark and High Voltages
2019/12/07 05:29:46
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d.burnette
thebski
You can use EVGA Eleet software or HWInfo 64 to read the actual voltages.
As for the high voltages, I had the same thing and I think it killed the CPU. I set Adaptive voltage to 1.3V and it was giving the CPU 1.45V and more. The only way I could get accurate voltage settings was to use manual Voltage. The only problem is I did not know this right off the bat because I didn't know CPU-Z didn't read properly.
I think this is a result of not having adjustable AC and DC load line settings. On Asus Z270/Z370 you had to set those voltages to 0.01 offset to prevent similar behavior to what I see on the Dark when using some kind of variable voltage setting. I hope they do something with it soon.
I would highly caution anyone with the Z390 Dark to stay away from setting voltage in bios to Adaptive.
I found with mine over time it would increase the amount of Vcore it was throwing at the CPU. I notice this by the increasing core temps over the last several months. I always keep my core temps on display. I would then check it under stress and voltage was getting way up there. So I would decrease the target Vcore setting when this happened. Ended up around like .95 Vcore and it was still throwing around 1.38 -1.39 at it.
You can see what I was experiencing in this thread.
I then a few days ago changed my voltage in bios from Adaptive to Override. Gave me much finer and realistic control over my Vcore. It also allowed me to overclock a little higher, have just increased from 5.1 GHz on all core of my 9900k to 5.2 GHz on all cores and stable, core temps in low to mid 70's while stressing. Target voltage set to 1.315v and -75% Vdroop. While stressing it bobs up to 1.36v occasionally. I never could get it above 5.1 when using Adaptive voltage. Going to run it like this a few days at 5.2 GHz and if all still looking good may even try for 5.3.
There is something awry though with using Adaptive Voltage in this Dark board. I would highly advise folks to stay away from it, and EVGA should really take a look at it.
Maybe I am just paranoid, but now that you mention it, I might be having the same thing happening with my Dark.
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Kylearan
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Re: i9-9900KS, Z390 Dark and High Voltages
2019/12/08 23:03:10
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kelkel1
bp7178
Changing the LLC does not have an impact on that 0.800mOhm number.
I noticed that.
Not sure if it should, but do the Asus and Gigabyte boards change?
Changing the Loadline Calibration value does not change the AC/DC Loadline mOhm value on Asus or Gigabyte. Changing the presets for "Internal AC/DC Load line (Gigabyte), SVID Behavior (Asus), AC/DC raw mOhm values (Gigabyte and Asus)" will change the AC/DC values. Changing the raw direct AC/DC values has higher priority over changing the presets. Asus: Best case scenario sets it to 0.01 mOhms. Worst case scenario sets it to either 1.6 mOhms or 2.1 mOhms Typical sets it (I believe) to 1.2 mOhms. Intel fail safe sets it to 1.6 mOhms. Gigabyte: CPU Internal AC/DC Load Line: Power Saving: 0.4 / 1.3 mOhms Balanced: 1.0 / 1.3 mOhms Turbo: 1.6 / 1.6 mOhms (1.6 is max Intel spec for 9900k) Extreme: 2.1 / 2.1 mOhms (2.1 is max intel spec for 6 core processors). The AC loadline value is used to get the idle and load voltages on Auto (and dynamic offset) voltages. DC Loadline is used for power measurements (VID/CPU Package Power). eVGA setting this at 0.8 mOhms is a bit on the low side.
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Duke4
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Re: i9-9900KS, Z390 Dark and High Voltages
2020/01/25 11:58:55
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If anyone is still interested I managed to change the Ohms values on the z390 Dark..
Attached Image(s)
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kelkel1
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Re: i9-9900KS, Z390 Dark and High Voltages
2020/01/26 05:31:16
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Duke4
If anyone is still interested I managed to change the Ohms values on the z390 Dark..
Willing to share how? And, did it actually make any difference?
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Duke4
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Re: i9-9900KS, Z390 Dark and High Voltages
2020/01/26 10:21:20
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kelkel1
Duke4
If anyone is still interested I managed to change the Ohms values on the z390 Dark..
Willing to share how?
And, did it actually make any difference?
Yes absolutley, I am not 100 % sure if this is the case with every bios version (I am using XOC bios 0.93) but I've looked and tried every setting there is and what made the trick for me is disabling Vcore guardband and setting both of the vcore voltage options (in this particular bios) to the same thing Adaptive or override. You can't set the VR settings by yourself (Picture attached) but it seems that with a combination of other settings the board will change these values. And yes I dropped a bit in temperature, but I am running override on a daily basis and I would strongly suggest that others do so aswell! Please do note that I havn't had any problems with my 9900KS on any board (had Asus and EVGA) and my chip is running verry cool even with 1.3v+
post edited by Duke4 - 2020/01/26 10:26:41
Attached Image(s)
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d.burnette
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Re: i9-9900KS, Z390 Dark and High Voltages
2020/01/26 16:30:11
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I would very highly recommend using Override for voltage control on the Z390 Dark. I used to have it on Adaptive and it eventually started throwing some very crazy voltages at my CPU. I noticed it when I saw core temps rising dramatically and started checking and lowering my vcore. https://forums.evga.com/O...high=z390+Dark+Voltage
post edited by d.burnette - 2020/01/26 16:32:34
Don EVGA Z390 Dark MB | i9 9900k CPU @ 5.2 GHz all cores | EVGA RTX 3090 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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Duke4
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Re: i9-9900KS, Z390 Dark and High Voltages
2020/01/26 17:18:02
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d.burnette
I would very highly recommend using Override for voltage control on the Z390 Dark.
I used to have it on Adaptive and it eventually started throwing some very crazy voltages at my CPU.
I noticed it when I saw core temps rising dramatically and started checking and lowering my vcore.
https://forums.evga.com/O...high=z390+Dark+Voltage
As I also stated, Please use override with this board, Idling with 1.2-1.3v is not a big deal anyways.
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boostedevo
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Re: i9-9900KS, Z390 Dark and High Voltages
2020/01/27 07:29:24
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I’ve been using adaptive for a while and it works fine on bios 1.07.
9900ks, -50 offset, can’t set target vcore lower than VID (my target is 1.200 though), 0 avx offset and it runs 5.2 ghz overnight Prime blend stable. At load non avx workloads vcore goes up to 1.275 vcore and avx workloads like Prime small fft go up to 1.29X vcore. Vdroop is Default. When vdroop is set to -25 the temps get a little higher but that setting works as well. Been testing this way for a few weeks and nothing seems to be changing. Are people using too high of vdroop setting and getting hammer with volts or what?
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Duke4
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Re: i9-9900KS, Z390 Dark and High Voltages
2020/01/27 10:15:35
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boostedevo
I’ve been using adaptive for a while and it works fine on bios 1.07.
9900ks, -50 offset, can’t set target vcore lower than VID (my target is 1.200 though), 0 avx offset and it runs 5.2 ghz overnight Prime blend stable. At load non avx workloads vcore goes up to 1.275 vcore and avx workloads like Prime small fft go up to 1.29X vcore. Vdroop is Default. When vdroop is set to -25 the temps get a little higher but that setting works as well. Been testing this way for a few weeks and nothing seems to be changing. Are people using too high of vdroop setting and getting hammer with volts or what?
I don't know.. I guess? But if problems ocurr, Just run override. I belive the dark is engineered for override rather then adaptive since it is a xoc board. The first dark didn't even have adaptive if I remember correctly but I might be wrong.. It was a long time ago 
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kelkel1
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Re: i9-9900KS, Z390 Dark and High Voltages
2020/01/27 13:48:39
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Duke4
kelkel1
Duke4
If anyone is still interested I managed to change the Ohms values on the z390 Dark..
Willing to share how?
And, did it actually make any difference?
Yes absolutley,
I am not 100 % sure if this is the case with every bios version (I am using XOC bios 0.93) but I've looked and tried every setting there is and what made the trick for me is disabling Vcore guardband and setting both of the vcore voltage options (in this particular bios) to the same thing Adaptive or override.
You can't set the VR settings by yourself (Picture attached) but it seems that with a combination of other settings the board will change these values.
And yes I dropped a bit in temperature, but I am running override on a daily basis and I would strongly suggest that others do so aswell!
Please do note that I havn't had any problems with my 9900KS on any board (had Asus and EVGA) and my chip is running verry cool even with 1.3v+
What other settings?
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Duke4
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Re: i9-9900KS, Z390 Dark and High Voltages
2020/01/27 15:00:24
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kelkel1
Duke4
kelkel1
Duke4
If anyone is still interested I managed to change the Ohms values on the z390 Dark..
Willing to share how?
And, did it actually make any difference?
Yes absolutley,
I am not 100 % sure if this is the case with every bios version (I am using XOC bios 0.93) but I've looked and tried every setting there is and what made the trick for me is disabling Vcore guardband and setting both of the vcore voltage options (in this particular bios) to the same thing Adaptive or override.
You can't set the VR settings by yourself (Picture attached) but it seems that with a combination of other settings the board will change these values.
And yes I dropped a bit in temperature, but I am running override on a daily basis and I would strongly suggest that others do so aswell!
Please do note that I havn't had any problems with my 9900KS on any board (had Asus and EVGA) and my chip is running verry cool even with 1.3v+
What other settings?
Disabling Core Guard Band and changing Vcore Vdroop
post edited by Duke4 - 2020/01/27 15:04:26
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kelkel1
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Re: i9-9900KS, Z390 Dark and High Voltages
2020/01/28 14:04:19
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Duke4
kelkel1
Duke4
kelkel1
Duke4
If anyone is still interested I managed to change the Ohms values on the z390 Dark..
Willing to share how?
And, did it actually make any difference?
Yes absolutley,
I am not 100 % sure if this is the case with every bios version (I am using XOC bios 0.93) but I've looked and tried every setting there is and what made the trick for me is disabling Vcore guardband and setting both of the vcore voltage options (in this particular bios) to the same thing Adaptive or override.
You can't set the VR settings by yourself (Picture attached) but it seems that with a combination of other settings the board will change these values.
And yes I dropped a bit in temperature, but I am running override on a daily basis and I would strongly suggest that others do so aswell!
Please do note that I havn't had any problems with my 9900KS on any board (had Asus and EVGA) and my chip is running verry cool even with 1.3v+
What other settings?
Disabling Core Guard Band and changing Vcore Vdroop
OK. So, after disabling Guardband, the value reported of the Loadlines go to .001mOhm, which is a negligible impedance value. To be frank, it seems questionable whether that value is correct, given what @Kylearan was saying.
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