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synch ac dc loadline with vrm loadline 주제에 대한 동영상 보기
여기에서 이 주제에 대한 비디오를 시청하십시오. 주의 깊게 살펴보고 읽고 있는 내용에 대한 피드백을 제공하세요!
d여기에서 Intel i7 10th Gen IA AC/DC LL 5.0GHz Overclocking Tutorial. – synch ac dc loadline with vrm loadline 주제에 대한 세부정보를 참조하세요
Video demonstrating IA AC/DC Load Line settings. What AC/DC Load Line adjusts, how it adjusts the Voltage at each Frequency. How it can help with desktop overclocking and how to setup your motherboard to easily overclock!
I am using a Z490-F Motherboard with i7 10700K comet lake! I also adjust my system to follow my prediction values in the Z490-F motherboard. You can do the same or similar or fine tune your values the way you do normally.
I also show how to measure the voltage from the back of the CPU socket with a digital multi meter.
synch ac dc loadline with vrm loadline 주제에 대한 자세한 내용은 여기를 참조하세요.
Should I enabled “Sync ACDC Loadline with VRM … – Reddit
I’m on ASUS Strix z590i Should I enabled “Sync ACDC Loadline with VRM Loadline”? what is that for?
Source: www.reddit.com
Date Published: 8/28/2022
View: 2749
Having trouble switching to Adaptive voltage mode on Z390 …
They only affect the CPU VID. Do you have “Synch AC DC loadline to VRM loadline” enabled or disabled? Because Loadline Calibration” is “VRM …
Source: rog.asus.com
Date Published: 2/7/2021
View: 8907
What does CPU Internal AC/DC Load Line really do?
VRM loadline = CPU Vcore Loadline Calibration. Don’t have the mOhm values in front of me at the moment. CPU Loadline Calibration should be left …
Source: www.overclock.net
Date Published: 5/13/2022
View: 1553
Intel Alder Lake Test: When motherboard settings affect the …
AC Loadline and DC Loadline can be set separately in the BIOS in the … So the target voltage for the VRM (which is based on the CPU’s …
Source: www.igorslab.de
Date Published: 8/23/2021
View: 4457
Asus PRIME H510M-A Руководство по BIOS онлайн [22/64]
Synch ACDC Loadline with VRM Loadline. When this item is set to [Enabled], VRM Loadline will be adjust automatically to match. AC/DC Loadline.
Source: mcgrp.ru
Date Published: 5/29/2021
View: 8271
Digi+ VRM, Synch ACDC Loadline with VRM Loadline – m 2 slots …
Synch ACDC Loadline with VRM Loadline Enable this item to allow the VRM Loadline to be adjusted automatically to match the AC/DC Loadline.
Source: www.manualowl.com
Date Published: 6/27/2022
View: 5139
IA AC/DC Load Line? – CPUs, Motherboards, and Memory
What is the IA AC/DC Load Line settings for? and do they help at all in any way for overclocking?
Source: linustechtips.com
Date Published: 4/22/2022
View: 9784
AC/DC Loadline and VRM monitoring support for Z490 boards
Tested Maximus 12 Extreme and Aorus Master, and no AC/DC Loadline in the CPU information area. Also for VRM monitoring on the Intersil (and …
Source: www.hwinfo.com
Date Published: 10/9/2022
View: 6862
ac loadline – Reddit post and comment search – SocialGrep
Observation on CPU AC/DC loadline values on an i9-11900 3 · What does “Synch AC/DC Loadline with VRM Loadline” do? · Overclocking with CPU internal ac/dc loadline …
Source: socialgrep.com
Date Published: 12/19/2021
View: 7811
Gaming Performance / System Optimization / Useful Tweaks
ASUS, BIOS, OC, Gue, Overclock, Intel, 10700k, DIGI+, VRM, n1kobg, nikobg, … Synch ACDC LoadLine With VRM Loadline: This can help with V/F Curve OC …
Source: n1kobg.blogspot.com
Date Published: 12/4/2022
View: 5717
주제와 관련된 이미지 synch ac dc loadline with vrm loadline
주제와 관련된 더 많은 사진을 참조하십시오 Intel i7 10th Gen IA AC/DC LL 5.0GHz Overclocking Tutorial.. 댓글에서 더 많은 관련 이미지를 보거나 필요한 경우 더 많은 관련 기사를 볼 수 있습니다.
주제에 대한 기사 평가 synch ac dc loadline with vrm loadline
- Author: PianoBench
- Views: 조회수 2,288회
- Likes: 좋아요 53개
- Date Published: 2021. 6. 12.
- Video Url link: https://www.youtube.com/watch?v=ACh3doYluys
Should I sync AC DC load line with VRM Loadline?
DC Loadline does not affect operating voltages, only power measurements and VID, but DC Loadline is best set to the same value as VRM loadline for accurate VID and CPU Package Power reporting when using Auto or SVID Offset (Set after Auto is applied) voltages.
What is AC DC Loadline?
Once a DC operating point is defined by the DC load line, an AC load line can be drawn through the Q point. The AC load line is a straight line with a slope equal to the AC impedance facing the nonlinear device, which is in general different from the DC resistance.
What is VRM Loadline?
What is Load-Line? The load-line setting, normally in mΩ (milliohms), determines how much the output voltage decreases when loaded. This is derived from Ohm’s Law U = R*I. The drop in output voltage is calculated as load-line * Iout (output current).
Should I use Loadline calibration?
When overclocking, there are a lot of tricks to perform and settings to tweak; adjusting load-line calibration is one of those settings that can help maintain a successful overclock. It also goes a long way in ensuring long term stability so you can get on with your work or play and stay out of the BIOS.
Which of the following is common between AC Loadline and DC Loadline?
AC and DC Load Line
Both of these lines intersect at the Q-point or quiescent point. The endpoints of AC load line are saturation and cut off points.
What is TVB voltage optimization?
The only purpose of TVB voltage optimizations is to raise VID when temps are higher (since hotter chips require more voltage to remain stable). That’s all. It does absolutely NOTHING on fixed vcore voltage except make your VID look sky high.
What is Loadline survey?
When being specific about the load line survey, it is basically an effort to make the hull watertight below the freeboard and weather tight above it. However, all effort should be made to make the vessel achieve its maximum possible level of working efficiency.
What is VRM spread spectrum?
In VRM, spread spectrum frequency modulation can be employed as a technique to reduce EMI. By using this technique, the noise is spread over a wider bandwidth and shaves off the peak and average noise occurrences at particular frequencies.
What is good Vdroop?
Some people argue keeping a tight Vdroop is good between a 0.02-0.05v drop from Core Voltage, while some have anywhere between 0.1- 0.15v of VDroop.
What is BCLK adaptive voltage?
BCLK Adaptive Voltage: This setting helps when you raise the “CPU Base Clock” frequency. You should not need to adjust it because we left “CPU Base Clock” at the default value of 100.
What is difference between AC and DC?
Electric current flows in two ways as an alternating current (AC) or direct current (DC). In alternating current, the current keeps switching directions periodically – forward and backward. While in the direct current it flows in a single direction steadily.
What happens when AC line touches DC?
If we connect an AC supply to the DC devices and equipment: The positive and negative voltage will destroy (this is not always the case) some of electronic components such as transistors and electrolytic capacitors. In case of higher AC voltage, they may burn with blast and catch fire.
What’s the difference between AC voltage and DC voltage?
In direct current, the voltage is always constant, and the electricity flows in a certain direction. In contrast, in alternating current, the voltage periodically changes from positive to negative and from negative to positive, and the direction of the current also periodically changes accordingly.
Is AC or DC power used in homes?
When you plug things into the outlet in your house, you don’t get DC. Household outlets are AC – Alternating Current.
Should I enabled “Sync ACDC Loadline with VRM Loadline”? : overclocking
All things overclocking go here. Learn to overclock, ask experienced users your questions, boast your rock-stable, sky-high OC and help others!
Having trouble switching to Adaptive voltage mode on Z390 Maximus XI Formula + 9900k [Archive] – ASUS Republic of Gamers [ROG]
View Full Version : Having trouble switching to Adaptive voltage mode on Z390 Maximus XI Formula + 9900k
Zammin Hi everyone
I’ve just recently finished dialing in my stable 5Ghz overclock in manual mode with the following settings:
– AI Overclock Tuner XMP I (clicked Yes at the prompt)
– Sync all cores
– AVX Offset 0
– Manual Voltage Override 1.33V
– LLC7
– IA/DC Loadlines 0.01
– Loadline Synch diabled
– CPU Current Capability 170%
– Long and Short Duration Package Power Limit 4095
– Package Power Time Window 127
– CPU Core/Cache Current Limite Max 255.75
– Cache Ratios Auto
– VCCIO 1.15V
– System Agent Voltage Auto (1.2V)
– BCLCK Aware Adaptive Voltage disabled
– MCE disabled
– SVID disabled
– Intel SpeedShift/Step disabled
– C-States disabled
Now that I’m stable in manual mode I’m currently trying to switch to adaptive voltage mode. I’ve done this before on Z370 and my 8700k with success, however with the 9900k and my ASUS Z390 motherboard it is exhibiting some strange behavior.
In manual mode it sits at 1.314V idle and drops to 1.27V under RealBench (or AIDA64) types of loads. When I re-enable C SpeedShift/Step, C-States and SVID, then switch to Adaptive voltage and set 1.33V as the additional turbo voltage it idles between 1.33-1.35V and sits around 1.33V under load, causing it to run much hotter than before. The only way I can get it to come down to 1.33V idle and sag to 1.27V under load again is to set LLC to level 6. This is all very strange to me as I would expect the LLC behavior as well as the idle voltage and load voltages to be the same as before until I set the windows power plan to balanced to allow the CPU to clock down when at idle.
This is not in line with my experience overclocking my 8700k on my ASUS Z370 Maximus X Code. In this case on the Z390 motherboard LLC6 in adaptive mode behaves closer to the way LLC7 behaves in manual mode, although the voltage level is not as stable under load, it fluctuates up and down a lot instead of sitting at 1.27V for the duration of the test. This appears to cause more heat and definitely isn’t stable as I get BSOD’s in RealBench with these settings in adaptive mode.
I’m not really sure what to do, I want to use adaptive mode to allow my CPU to clock down (and bring the voltage down) at idle but I just can’t get it to work. I had no trouble doing it on Z370 following Raja’s Z270 overclocking guide but it just doesn’t want to work on Z390 for some reason.
If anyone has any advice for me I would greatly appreciate it. I’ve listed my settings above but if anyone requires BIOS screenshots I can get them for you as well.
jpmboy Did you try this without changing the AC and DC load lines… leave them on Auto – changing these only if necessary. Also, enable all c-states up to C6, disable speedSTEP and enable speedSHIFT in bios. Adaptive is working fine on my Max11E. NOt all that different from your Formula, and I’m using LLC6, 1.325V in bios – AVX loads droop to 1.279V.
Zammin Did you try this without changing the AC and DC load lines… leave them on Auto – changing these only if necessary. Also, enable all c-states up to C6, disable speedSTEP and enable speedSHIFT in bios. Adaptive is working fine on my Max11E. NOt all that different from your Formula, and I’m using LLC6, 1.325V in bios – AVX loads droop to 1.279V.
Hey man thanks for the reply.
When I was dialing in my manual overclock I couldn’t get it stable at a reasonable voltage until I set IA/DC loadlines to 0.01. Then I was able to get stability at a good voltage. In Raja’s adaptive OC guide he suggests setting these to 0.01 as well. I did this on my 8700k adaptive 5Ghz OC as well.
I could try setting them to auto again but if last time was anything to go by, it will want more voltage and I’m already hitting peak individual core temps of 92-95C in 1 hour stress tests of RealBench or AIDA64. So I don’t really want to add much more voltage when I’m stable at 1.27V load with these settings.
All C states should have been enabled with my adaptive settings, I didn’t disable or enable them individually, there is just one setting that say “C-States” that you can either enable or disable. That’s all I did regarding C-states.
If I disable speedstep and speed shift, will that not prevent the CPU from downclocking/volting when idle on balanced windows power plan? Or will it just prevent the CPU from downclocking and still enable to voltage to drop at idle? Sorry for not fully understanding.
The part that I’m most confused about is why the LLC behavior would be different between manual and adaptive, because that seems to be what’s preventing me from achieving stability in adaptive mode. :/
Zammin I just tried the usual adaptive mode settings with LLC6 and IA/DC loadlines on auto and it did seem like the voltage was pretty steady at 1.27V in realbench but it detected instability at 6m (blender) and stopped.
Shamino welcome to adaptive voltage
understand the criteria for adaptive voltage to take effect :
per intel design:
1) adaptive voltage only takes effect at ratios > max single core boost ratio which is 50x in 9900ks case (so if you set 1.5v at 50x for eg, it gets ignored till you go up to 51x)
2) any volt set below the cpu’s default vid gets ignored (eg setting 51x ratio with 1.1v when cpu’s vid is 1.25v at 50x will get ignored)
on client you still have AC/DC loadline to manipulate to undervolt proc to a certain extent (you have no room to undervolt when AC/DC LL is already at minimum)
to undervolt further you will have to rely on VRM Loadline.
so in view of the above:
comparing a different cpu on different boards does not shed much information, number 1 (specially with 8700k when you will be way above the single core boost of 47x making adaptive easier to use)
number 2 : the volt sensing is different on maximus Xi than on other boards , its sensing on-die volt compared to traditional off-die sense
in your case the straightforward and very logical way to run adaptive is to run the minimum LLC that is stable at 5g (since any v setting gets ignored by proc till it goes to 51x)
EVEN IF YOU COULD run a vid lower and a higher LLC to match, it typically runs cooler with a higher vid and a lower LLC. (you can verify this just by being on manual mode)
Zammin welcome to adaptive voltage
understand the criteria for adaptive voltage to take effect :
per intel design:
1) adaptive voltage only takes effect at ratios > max single core boost ratio which is 50x in 9900ks case (so if you set 1.5v at 50x for eg, it gets ignored till you go up to 51x)
2) any volt set below the cpu’s default vid gets ignored (eg setting 51x ratio with 1.1v when cpu’s vid is 1.25v at 50x will get ignored)
on client you still have AC/DC loadline to manipulate to undervolt proc to a certain extent (you have no room to undervolt when AC/DC LL is already at minimum)
to undervolt further you will have to rely on VRM Loadline.
so in view of the above:
comparing a different cpu on different boards does not shed much information, number 1 (specially with 8700k when you will be way above the single core boost of 47x making adaptive easier to use)
Hi, thanks for your reply
So if I understand you correctly, I’m seeing this strange behavior in adaptive mode because I am not exceeding the maximum single core boost speed, even though all cores are sync’d? I suppose that would explain why I did not see this behavior on my 8700k.
number 2 : the volt sensing is different on maximus Xi than on other boards , its sensing on-die volt compared to traditional off-die sense
Yes I am aware of this already, I’ve seen elmors post about it on OCN along with the graph he posted. Thanks for the link to that video though.
in your case the straightforward and very logical way to run adaptive is to run the minimum LLC that is stable at 5g (since any v setting gets ignored by proc till it goes to 51x)
EVEN IF YOU COULD run a vid lower and a higher LLC to match, it typically runs cooler with a higher vid and a lower LLC. (you can verify this just by being on manual mode)
Sorry but I don’t fully understand this part. I know that LLC7 is the minimum stable LLC for manual mode, I’ve tried LLC6 and increased target voltage to compensate but it just won’t be stable. I spent a few hours trying today. Someone on OCN said the same thing about lower LLC having better transient response and requiring a lower VMIN but I can’t seem to replicate that. Even at the same voltage under load with LLC6 it’s not stable, where as LLC7 is.
So knowing that LLC7 appears to be the most stable for my CPU in manual mode, what should I do for adaptive mode? When I run LLC7 in adaptive mode I get overshoot at idle and at most, only a very small drop in voltage under load (from target 1.33V to 1.32V). When I run LLC6 it idles at target voltage and drops about the right amount under load but is unstable. The only thing I haven’t tried is maintaining LLC7 in adaptive mode and lowering the voltage target. Is that worth trying?
Thanks for your advice.
Shamino Hi, thanks for your reply
Sorry but I don’t fully understand this part. I know that LLC7 is the minimum stable LLC for manual mode, I’ve tried LLC6 and increased target voltage to compensate but it just won’t be stable. I spent a few hours trying today. Someone on OCN said the same thing about lower LLC having better transient response and requiring a lower VMIN but I can’t seem to replicate that. Even at the same voltage under load with LLC6 it’s not stable, where as LLC7 is.
So knowing that LLC7 appears to be the most stable for my CPU in manual mode, what should I do for adaptive mode? When I run LLC7 in adaptive mode I get overshoot at idle and at most, only a very small drop in voltage under load (from target 1.33V to 1.32V). When I run LLC6 it idles at target voltage and drops about the right amount under load but is unstable. The only thing I haven’t tried is maintaining LLC7 in adaptive mode and lowering the voltage target. Is that worth trying?
Thanks for your advice.
I know that LLC7 is the minimum stable LLC for manual mode, I’ve tried LLC6 and increased target voltage to compensate but it just won’t be stable.
=> you mean adaptive right? and at 50x ratio right? now wouldnt that still mean that increasing target voltage does nothing becos its not > 50x ratio and hence gets ignored? so bascially the vid doesnt change becos criteria 2 is not fulfilled.
The only thing I haven’t tried is maintaining LLC7 in adaptive mode and lowering the voltage target. Is that worth trying?
=> that still wouldnt work becos criteria 2 is not fulfilled. your target gets ignored
your last paragraph is basically saying level 7 is too shallow and level 6 is too steep.
=> you want just the right amount of v with adaptive , only way is to do this:
remain level 6 50x adaptive auto.
manually tweak ac/dc ll. 0.01/0.01 value is where you’re at and u are unstable
increase this to 0.03/0.03, etc etc till you get what you need with VRM LLC 6
Zammin I know that LLC7 is the minimum stable LLC for manual mode, I’ve tried LLC6 and increased target voltage to compensate but it just won’t be stable.
=> you mean adaptive right? and at 50x ratio right? now wouldnt that still mean that increasing target voltage does nothing becos its not > 50x ratio and hence gets ignored? so bascially the vid doesnt change becos criteria 2 is not fulfilled.
No I meant manual, I’ve tested LLC7 and LLC6 in manual mode to see if I could get it stable at the same or lower load voltage with LLC6, but it isn’t stable. People say that lower LLC has better transient response and can achieve lower VMIN and better temperatures, but I just can’t seem to replicate it. By lowering the LLC to level 6 (in manual mode still) and increasing the target voltage in order to achieve the same 1.27V load it is unstable. However at LLC7 (in manual mode) it is stable at that same load voltage.
The only thing I haven’t tried is maintaining LLC7 in adaptive mode and lowering the voltage target. Is that worth trying?
=> that still wouldnt work becos criteria 2 is not fulfilled. your target gets ignored
your last paragraph is basically saying level 7 is too shallow and level 6 is too steep.
=> you want just the right amount of v with adaptive , only way is to do this:
remain level 6 50x adaptive auto.
manually tweak ac/dc ll. 0.01/0.01 value is where you’re at and u are unstable
increase this to 0.03/0.03, etc etc till you get what you need with VRM LLC 6
So you are suggesting to leave the Adaptive Mode Additional Turbo Voltage setting on auto and simply adjust the IA/DC LoadLines instead? Okay I will give that a shot. I’ve never tried IA/DC LoadLines at anything other than Auto or 0.01. I’ll let you know what the results are.
jpmboy Hey man thanks for the reply.
When I was dialing in my manual overclock I couldn’t get it stable at a reasonable voltage until I set IA/DC loadlines to 0.01. Then I was able to get stability at a good voltage. In Raja’s adaptive OC guide he suggests setting these to 0.01 as well. I did this on my 8700k adaptive 5Ghz OC as well.
I could try setting them to auto again but if last time was anything to go by, it will want more voltage and I’m already hitting peak individual core temps of 92-95C in 1 hour stress tests of RealBench or AIDA64. So I don’t really want to add much more voltage when I’m stable at 1.27V load with these settings.
All C states should have been enabled with my adaptive settings, I didn’t disable or enable them individually, there is just one setting that say “C-States” that you can either enable or disable. That’s all I did regarding C-states.
If I disable speedstep and speed shift, will that not prevent the CPU from downclocking/volting when idle on balanced windows power plan? Or will it just prevent the CPU from downclocking and still enable to voltage to drop at idle? Sorry for not fully understanding.
The part that I’m most confused about is why the LLC behavior would be different between manual and adaptive, because that seems to be what’s preventing me from achieving stability in adaptive mode. :/
actually that’s : disable STEP and enable SHIFT as I posted. Shamino laid this out for you – follow his recommendations. As with any recent architecture, Adaptive only applies to multipliers higher than the stock max turbo multi, and then it can only ADD(itional) turbo voltage to the VID at that multiplier.
Zammin actually that’s : disable STEP and enable SHIFT as I posted.
Ah yes that was my bad, I misread it.
Shamino laid this out for you – follow his recommendations. As with any recent architecture, Adaptive only applies to multipliers higher than the stock max turbo multi, and then it can only ADD(itional) turbo voltage to the VID at that multiplier.
Yeah I understand that now. As I said I will try his suggestion and post back with the results. All being well I should have some time tomorrow to play around with it more.
Falkentyne Hi, thanks for your reply
So if I understand you correctly, I’m seeing this strange behavior in adaptive mode because I am not exceeding the maximum single core boost speed, even though all cores are sync’d? I suppose that would explain why I did not see this behavior on my 8700k.
Yes I am aware of this already, I’ve seen elmors post about it on OCN along with the graph he posted. Thanks for the link to that video though.
Sorry but I don’t fully understand this part. I know that LLC7 is the minimum stable LLC for manual mode, I’ve tried LLC6 and increased target voltage to compensate but it just won’t be stable. I spent a few hours trying today. Someone on OCN said the same thing about lower LLC having better transient response and requiring a lower VMIN but I can’t seem to replicate that. Even at the same voltage under load with LLC6 it’s not stable, where as LLC7 is.
So knowing that LLC7 appears to be the most stable for my CPU in manual mode, what should I do for adaptive mode? When I run LLC7 in adaptive mode I get overshoot at idle and at most, only a very small drop in voltage under load (from target 1.33V to 1.32V). When I run LLC6 it idles at target voltage and drops about the right amount under load but is unstable. The only thing I haven’t tried is maintaining LLC7 in adaptive mode and lowering the voltage target. Is that worth trying?
Thanks for your advice.
That would be me “I’m a “someone?” Ouch that hurt =.= that said “Lower LLC= better transient response=lower VMIN required”
But it was Shamino himself that said it before anyone else (except maybe Raja).
I got that information directly from here.
https://rog.asus.com/forum/showthread.php?106375-MCE-explanations-and-others&highlight=explanations
But I am only using manual voltage, NOT auto.
This issue with lower VMIN able to be used with lower LLC + higher VID (or bios voltage) to compensate becomes EXTREMELY obvious when testing small FFT prime95 FMA3 enabled (especially the 15K fixed in-place FFT custom test–15K draws the most amps).
Zammin That would be me “I’m a “someone?” Ouch that hurt =.= that said “Lower LLC= better transient response=lower VMIN required”
But it was Shamino himself that said it before anyone else (except maybe Raja).
I got that information directly from here.
https://rog.asus.com/forum/showthread.php?106375-MCE-explanations-and-others&highlight=explanations
But I am only using manual voltage, NOT auto.
This issue with lower VMIN able to be used with lower LLC + higher VID (or bios voltage) to compensate becomes EXTREMELY obvious when testing small FFT prime95 FMA3 enabled (especially the 15K fixed in-place FFT custom test–15K draws the most amps).
Hey man! Yes that was you haha, my apologies I just didn’t know you were on this forum as well. You were the first person I heard it from, but I haven’t really been looking much into it until recently.
Problem is I just can’t replicate it. If I use lower LLC (e.g. LLC6) with higher VID to compensate, it’s not stable at the same load voltage. It will either detect instability in RealBench or BSOD during the 30 min test. Not saying that the whole thing isn’t true, I just can’t seem to replicate it on my end (in manual mode). I might be doing something wrong though since I’ve only just started tweaking this CPU over the last week. I’m going to try Shamino’s suggestion of tweaking the IA/DC LoadLines today and see how I go.
Falkentyne Hey man! Yes that was you haha, my apologies I just didn’t know you were on this forum as well. You were the first person I heard it from, but I haven’t really been looking much into it until recently.
Problem is I just can’t replicate it. If I use lower LLC (e.g. LLC6) with higher VID to compensate, it’s not stable at the same load voltage. It will either detect instability in RealBench or BSOD during the 30 min test. Not saying that the whole thing isn’t true, I just can’t seem to replicate it on my end (in manual mode). I might be doing something wrong though since I’ve only just started tweaking this CPU over the last week. I’m going to try Shamino’s suggestion of tweaking the IA/DC LoadLines today and see how I go.
I just replied on OCN to your post just now.
But this thing about the IA AC DC Loadlines…
When you are using manual voltages (override), the IA AC and IA DC loadlines are completely ignored, or should be completely ignored.
They only affect the CPU VID.
Do you have “Synch AC DC loadline to VRM loadline” enabled or disabled?
Because Loadline Calibration” is “VRM loadline”, and assuming it is not set to “Auto” (idk how Asus handles this), the VRM “loadline voltage droop” should completely, totally ignore the DC loadline “VID droop” (DC loadline controls power measurements and vdroop along the CPU VID).
CPU Package Power however is based on the CPU VID, not the CPU Vcore, so your CPU package power is VID * Amps, so if the VID is extremely lower (e.g. if set to 0.01 / 0.01 for IA AC and DC) and you are using higher manual voltages, your package power will be much lower than expected. Check the VRM readout to see if it has “Power (Output) or POUT, and IOUT (Amps).
In your test you did, you said that you had IA AC DC loadline at auto and were unstable, when using *manual* voltages,
But then you set it to 0.01 / 0.01 and were stable at the same manual voltages. Did you check the cpu temp readout and the load voltage to verify the vcore and temps were identical in both the “unstable” IA AC loadlines and the 0.01 stable ones?
Or am I being stupid here and your “manual” overclock means that you were using adaptive voltage + manually setting the CPU core and cache ratios (so you were not using manual voltage?).
IA AC loadilne affects the CPU Power supply and boosts the VID up by a certain amount (based on something I don’t know about; I presume Shamino and Raja know), even though it’s based on mOhms, it does not seem to function like DC loadline does.
DC loadline causes the VID to drop based on current, in mOhms: example: 100 amps of current * DC value of 1.6 is 100 amps * 1.6 mOhms=160mv of the VID dropping at full load, compared to full idle.
Theoretically, if you set IA AC and IA DC loadline manually to 1.6 in your bios, AND set Loadline Calibration to Auto (or normal) AND used no offsets or adaptive voltage setting at all, just “Auto” (or possibly, adaptive without additional turbo voltage, sorry I don’t know how the Asus UEFI works), then your CPU VID should 100% match the CPU vcore, within 5mv.
(Reference AC / DC loadline for 9th gen 8 core S series CPU is 1.6 mOhms; for 4 and 6 core it’s 2.1 mOhms).
Zammin I just replied on OCN to your post just now.
But this thing about the IA AC DC Loadlines…
When you are using manual voltages (override), the IA AC and IA DC loadlines are completely ignored, or should be completely ignored.
They only affect the CPU VID.
Do you have “Synch AC DC loadline to VRM loadline” enabled or disabled?
Because Loadline Calibration” is “VRM loadline”, and assuming it is not set to “Auto” (idk how Asus handles this), the VRM “loadline voltage droop” should completely, totally ignore the DC loadline “VID droop” (DC loadline controls power measurements and vdroop along the CPU VID).
CPU Package Power however is based on the CPU VID, not the CPU Vcore, so your CPU package power is VID * Amps, so if the VID is extremely lower (e.g. if set to 0.01 / 0.01 for IA AC and DC) and you are using higher manual voltages, your package power will be much lower than expected. Check the VRM readout to see if it has “Power (Output) or POUT, and IOUT (Amps).
In your test you did, you said that you had IA AC DC loadline at auto and were unstable, when using *manual* voltages,
But then you set it to 0.01 / 0.01 and were stable at the same manual voltages. Did you check the cpu temp readout and the load voltage to verify the vcore and temps were identical in both the “unstable” IA AC loadlines and the 0.01 stable ones?
Or am I being stupid here and your “manual” overclock means that you were using adaptive voltage + manually setting the CPU core and cache ratios (so you were not using manual voltage?).
IA AC loadilne affects the CPU Power supply and boosts the VID up by a certain amount (based on something I don’t know about; I presume Shamino and Raja know), even though it’s based on mOhms, it does not seem to function like DC loadline does.
DC loadline causes the VID to drop based on current, in mOhms: example: 100 amps of current * DC value of 1.6 is 100 amps * 1.6 mOhms=160mv of the VID dropping at full load, compared to full idle.
Theoretically, if you set IA AC and IA DC loadline manually to 1.6 in your bios, AND set Loadline Calibration to Auto (or normal) AND used no offsets or adaptive voltage setting at all, just “Auto” (or possibly, adaptive without additional turbo voltage, sorry I don’t know how the Asus UEFI works), then your CPU VID should 100% match the CPU vcore, within 5mv.
(Reference AC / DC loadline for 9th gen 8 core S series CPU is 1.6 mOhms; for 4 and 6 core it’s 2.1 mOhms).
Hi mate, sorry this is a lot to reply to and my knowledge of this stuff is not at the same level, compared to you guys I am still fairly new to this stuff so i will try answer what I can to the best of my ability.
Loadline Synch is disabled in my Manual OC and also when I am trying Adaptive mode. I originally tried enabling it when I was first dialing in my Manual OC but it required more voltage than disabling it and setting the loadlines to 0.01.
LLC is not set to auto, although I have tried that once with adaptive mode and it finds it’s way up to LLC7 on it’s own during RealBench.
I think the load voltages were the same when I tested with loadlines set to auto and 0.01, but for the sake of being sure I could run another 1 hour of realbench tonight with them on auto to double check if necessary. I don’t remember what the exact temps were as it was over a week ago and I have run many tests and made a number of tweaks since then, but in all my RealBench runs the temps generally do hit momentary peaks of around 92-95C depending on ambient.
When I say Manual, I do mean Manual Voltage Override. Not Adaptive.
I hope that addresses your questions and comments, let me know if I missed anything,
Falkentyne Hi mate, sorry this is a lot to reply to and my knowledge of this stuff is not at the same level, compared to you guys I am still fairly new to this stuff so i will try answer what I can to the best of my ability.
Loadline Synch is disabled in my Manual OC and also when I am trying Adaptive mode. I originally tried enabling it when I was first dialing in my Manual OC but it required more voltage than disabling it and setting the loadlines to 0.01.
LLC is not set to auto, although I have tried that once with adaptive mode and it finds it’s way up to LLC7 on it’s own during RealBench.
I think the load voltages were the same when I tested with loadlines set to auto and 0.01, but for the sake of being sure I could run another 1 hour of realbench tonight with them on auto to double check if necessary. I don’t remember what the exact temps were as it was over a week ago and I have run many tests and made a number of tweaks since then, but in all my RealBench runs the temps generally do hit momentary peaks of around 92-95C depending on ambient.
When I say Manual, I do mean Manual Voltage Override. Not Adaptive.
I hope that addresses your questions and comments, let me know if I missed anything,
Yes that test would be helpful if possible.
See if you wind up being stable in both tests (only changing AC/DC loadliine from 0.01 to auto and nothing else).
of course make sure you use manual voltage and a loadline calibration you know to be stable (e.g. LLC6 or whatever you choose).
Keep that sync ac/dc to vrm loadline disabled. I’m not sure if enabling it changes the AC DC loadline to match the VRM (LLC) in mOhms, or if it changes the vRM (LLC) to match the AC DC value or not, so lets try to get that out of the picture.
I’ve done repeated testing on a GB board and with a fixed LLC value (e.g. high), and manual voltage, there is no change at all in temps, amps draw or stability, when changing IA AC/IA DC to 0.01 mOhms or auto or the default (1.6 mOhms) for 9900K.
What does affect “VMIN” stability is loadline calibration. At a ‘target’ VR VOUT (CPU on-die sense voltage, which the Maximus XI boards all use now as vcore), you will require a higher VMIN for bypassing borderline stability or instability at higher LLC, than with a lower (more vdroop or steeper) LLC+higher bios voltage, when stressing heavy loads (especially AVX/FMA3!)
Example:
Bios voltage: 1.295v, max load VR VOUT voltage (FMA3): 1.237v, LLC6=unstable
Bios voltage: 1.345v, max load VR VOUT voltage (FMA3): 1.237v, LLC5=stable (better transient response, smaller guardband /less voltage dips below 1.237v in microseconds).
mdzcpa I have been using adaptive voltage since day 1 on my Hero XI. I simply like the power and heat savings.
Am I missing out on something by using Adaptive voltage the way that I do?
I leave everything on Auto except:
Set XMP
Sync all cores (at X51)
AVX Offset 1
Set Adaptive additional voltage to 1.3v
VCCIO 1.2V
SA 1.2V
LLC 6
Works like a charm. I don’t touch all the other settings. Am I missing something? Is something throttling down that I don’t see occurring? I have no heat issues on my 9900k.
Silent Scone@ROG I have been using adaptive voltage since day 1 on my Hero XI. I simply like the power and heat savings.
Am I missing out on something by using Adaptive voltage the way that I do?
I leave everything on Auto except:
Set XMP
Sync all cores (at X51)
AVX Offset 1
Set Adaptive additional voltage to 1.3v
VCCIO 1.2V
SA 1.2V
LLC 6
Works like a charm. I don’t touch all the other settings. Am I missing something? Is something throttling down that I don’t see occurring? I have no heat issues on my 9900k.
No, youre not missing anything if stable during AVX workloads.
Zammin Yes that test would be helpful if possible.
See if you wind up being stable in both tests (only changing AC/DC loadliine from 0.01 to auto and nothing else).
of course make sure you use manual voltage and a loadline calibration you know to be stable (e.g. LLC6 or whatever you choose).
Keep that sync ac/dc to vrm loadline disabled. I’m not sure if enabling it changes the AC DC loadline to match the VRM (LLC) in mOhms, or if it changes the vRM (LLC) to match the AC DC value or not, so lets try to get that out of the picture.
I’ve done repeated testing on a GB board and with a fixed LLC value (e.g. high), and manual voltage, there is no change at all in temps, amps draw or stability, when changing IA AC/IA DC to 0.01 mOhms or auto or the default (1.6 mOhms) for 9900K.
What does affect “VMIN” stability is loadline calibration. At a ‘target’ VR VOUT (CPU on-die sense voltage, which the Maximus XI boards all use now as vcore), you will require a higher VMIN for bypassing borderline stability or instability at higher LLC, than with a lower (more vdroop or steeper) LLC+higher bios voltage, when stressing heavy loads (especially AVX/FMA3!)
Example:
Bios voltage: 1.295v, max load VR VOUT voltage (FMA3): 1.237v, LLC6=unstable
Bios voltage: 1.345v, max load VR VOUT voltage (FMA3): 1.237v, LLC5=stable (better transient response, smaller guardband /less voltage dips below 1.237v in microseconds).
Alright I’ll run the stress test tonight. It’s been pretty hot today (Australia) and our evap AC has been struggling so I’m just waiting for it to cool down before I run the 1 hour stress test.
I have been using adaptive voltage since day 1 on my Hero XI. I simply like the power and heat savings.
Am I missing out on something by using Adaptive voltage the way that I do?
I leave everything on Auto except:
Set XMP
Sync all cores (at X51)
AVX Offset 1
Set Adaptive additional voltage to 1.3v
VCCIO 1.2V
SA 1.2V
LLC 6
Works like a charm. I don’t touch all the other settings. Am I missing something? Is something throttling down that I don’t see occurring? I have no heat issues on my 9900k.
No, youre not missing anything if stable during AVX workloads.
If your CPU can do 5.1 with those settings under heavy AVX loads you have a waaaaay better CPU than me. Mine cannot go above 5Ghz as it’s pretty much hit a temperature wall. I’ve tried 5.1 with an AVX offset of -1 and it can’t even run cinebench lol.
Silent Scone@ROG Alright I’ll run the stress test tonight. It’s been pretty hot today (Australia) and our evap AC has been struggling so I’m just waiting for it to cool down before I run the 1 hour stress test.
If your CPU can do 5.1 with those settings under heavy AVX loads you have a waaaaay better CPU than me. Mine cannot go above 5Ghz as it’s pretty much hit a temperature wall. I’ve tried 5.1 with an AVX offset of -1 and it can’t even run cinebench lol.
His sample might, my own personal sample isn’t so great. I’m in the 1.35v for 5GHZ club 😉 (No AVX offset)
Zammin His sample might, my own personal sample isn’t so great. I’m in the 1.35v for 5GHZ club 😉 (No AVX offset)
I think I might be right there with you lol, mine might even be worse in light of the results of my test just now.
This is gonna make me look kinda stupid, but I just ran RealBench with the loadlines (IA AC/DC) set to auto, as well as with my usual settings of 0.01. Both tests hit a BSOD within 10 minutes. This blows my freakin’ mind because just a few days ago, when I was dialing in the settings, I ran multiple 1 hour passes of RealBench and OCCT and it passed every time with these settings. Now it fails. Either I haven’t done something right or my CPU is rapidly deteriorating lol
If I had to guess, I’ve probably not done this right and there must be some better settings I can use. I can’t really increase the voltage as I’m pretty well up against a temperature wall with these settings even with liquid metal between the die and IHS, and a dual rad custom loop. The only way I can increase the voltage is if I can get the temps down somehow. I can give Shamino’s suggestion for adaptive mode a try but if I can’t get it stable that way I’m stumped on what to do. Might have to aim lower and settle for 4.9Ghz..
Silent Scone@ROG Who knows. With your climate over there, the temperature will be a big factor. This and differences in UEFI config. For instance, are you running an AVX offset now but perhaps weren’t before?
Zammin Who knows. With your climate over there, the temperature will be a big factor. This and differences in UEFI config. For instance, are you running an AVX offset now but perhaps weren’t before?
Even before the peak core temp was 92C. Today it was around 95C. I’m not using an AVX offset at the moment and I wasn’t before either, no idea what is going on.
Zammin Ok so I’ve started testing with Shamino’s suggestion, I’ve set adaptive voltage mode with the additional turbo voltage on auto, set LLC6, set IA AC/DC LoadLines to 0.03, disabled SpeedStep and enabled SpeedShift. Although for the first test I’ve aimed a bit lower just to get a baseline so I’ve set the multiplier to 49. Seems to be working okay, ran a 30 min RealBench stress test and passed with a peak core temp of 89C but the cores were usually around 78-82C. Voltage readout on the LiveDash and iCUE shows 1.23V-1.24V during the test. Water Temp peaked around 36C, ambient 24C.
I will try 5Ghz but I’m pretty sure it will fail at this voltage. My question is, if I find it to be unstable, do I increase the number for IA AC/DC LoadLines? For example, go to 0.04, then 0.05 etc etc. Or do I go down to 0.02? I’m assuming I want to increase the number. Sorry for not fully understanding this feature.
Also my apologies JPMboy, I said that C-states was only an option to enable or disable them but I found what you were talking about when you mentioned “enable C-States up to C6”. When I enable them rather than selecting auto, it lists all the individual C-states. Should I still disable Cstates above C6 and keep C1-C6 enabled? I’ve just got it on auto for now.
Thanks everyone I really appreciate the help and advice you’ve given me so far. I’m learning as I go but I clearly still have a long way to go..
Zammin Ok so I tried to get 5Ghz a few times and it’s just not working out.
I tried IA AC/DC LoadLines at 0.03 – crash within 10 mins, 0.04 – crash around 15mins, 0.05 crash after around 35mins. Voltage in the final test was 1.27-1.28 under load. Peak CPU core temp was 97C, average 88-92C. Water temp peaked at 38C. Ambient 25C. It’s just getting too hot in RealBench now, I don’t think I can keep pushing it further. If I hadn’t used liquid metal between the die and IHS I may have hit 100C during that last test, since the liquid metal shaved between 4-6C off the CPU cores during heavy loads.
Unless there is some other tricks I can try I may just have to settle for 4.9Ghz or use an AVX offset of -1. It’s a shame, many others seem to have no trouble reaching 5Ghz so I guess my CPU isn’t a great one.
Silent Scone@ROG Please remember that ultimately, not all samples will achieve 5GHz on all cores. The statistics from SiliconLottery.com indicate less than half. You’re hitting the thermal capacity of your setup, too. At this point, my advice would be to tune the system for the tasks you intend to use it for.
Zammin Please remember that ultimately, not all samples will achieve 5GHz on all cores. The statistics from SiliconLottery.com indicate less than half. Youre hitting the thermal capacity of your setup, too. At this point, my advice would be to tune the system for the tasks you intend to use it for.
Yeah I think I will try and tune it for 4.9Ghz as best as I can and leave it there, or use an AVX offset. Better luck next time I guess :/
Falkentyne Yeah I think I will try and tune it for 4.9Ghz as best as I can and leave it there, or use an AVX offset. Better luck next time I guess :/
When you said you first passed 5 ghz at the same exact settings you are now failing, were you using a different bios version or any different RAM settings at all?
Because while it is common for new CPU’s to lose about 10mv off their minimum voltage after a short while even when not pushed to unsafe limits, they will usually remain quite stable, but yours seems to have gone for 1+ hour stable to insta-crashing, which is pretty unheard of without excessive voltage. And a 1 hour stable test means you were probably not at your bare VMIN.
What was the absolute highest load (or idle, if using manual) voltage you used?
And are you sure you were not on a different bios?
Do you have the ability to (if you were), downgrade to the same bios you did that stable test on and then test on that?
Because I found out something interesting, although it’s still not proven directly but I can’t be too far off…(still not jumping to conclusions yet until I can be 100% sure), but I’ll just say possibly “Subtiming”.
Did you test with non avx tests to verify stability or AVX tests that do NOT touch main memory, as well as your mixed AVX tests? (example: cinebench r15, prime95 29.6 build 2 with AVX/AVX2 disabled, smallest FFT’s, etc?)
Zammin When you said you first passed 5 ghz at the same exact settings you are now failing, were you using a different bios version or any different RAM settings at all?
Because while it is common for new CPU’s to lose about 10mv off their minimum voltage after a short while even when not pushed to unsafe limits, they will usually remain quite stable, but yours seems to have gone for 1+ hour stable to insta-crashing, which is pretty unheard of without excessive voltage. And a 1 hour stable test means you were probably not at your bare VMIN.
Nah I’m not using a different BIOS, I even had the profile saved so I could reload it exactly as it was. RAM has remained on XMP I the entire time. I’ve had this system for around 4 months now but didn’t start overclocking the CPU until I got it under water because it was already at it’s limit on air.
What was the absolute highest load (or idle, if using manual) voltage you used?
And are you sure you were not on a different bios?
Highest on my previous manual mode 5Ghz OC? 1.314V highest idle, 1.270V steady under AVX load (Realbench).
Do you have the ability to (if you were), downgrade to the same bios you did that stable test on and then test on that?
Still on the same BIOS.
Because I found out something interesting, although it’s still not proven directly but I can’t be too far off…(still not jumping to conclusions yet until I can be 100% sure), but I’ll just say possibly “Subtiming”.
Do you mean RAM subtimings? I’m just using XMP I, so only the basic settings have been loaded (3200Mhz, 16-18-18-38, 2N, 1.35V) with VCCIO turned down to 1.15V because it was setting it to 1.314V for some reason, and from what I understand you don’t want it above 1.3V.
Did you test with non avx tests to verify stability or AVX tests that do NOT touch main memory, as well as your mixed AVX tests? (example: cinebench r15, prime95 29.6 build 2 with AVX/AVX2 disabled, smallest FFT’s, etc?)
It was only the other day so I ran a couple of 1 hour RealBench passes, a little bit of AIDA64 and an hour of OCCT Large Data Set as well as a few Cinebench runs and some gaming.
Falkentyne Nah I’m not using a different BIOS, I even had the profile saved so I could reload it exactly as it was. RAM has remained on XMP I the entire time. I’ve had this system for around 4 months now but didn’t start overclocking the CPU until I got it under water because it was already at it’s limit on air.
Highest on my previous manual mode 5Ghz OC? 1.314V highest idle, 1.270V steady under AVX load (Realbench).
Still on the same BIOS.
Do you mean RAM subtimings? I’m just using XMP I, so only the basic settings have been loaded (3200Mhz, 16-18-18-38, 2N, 1.35V) with VCCIO turned down to 1.15V because it was setting it to 1.314V for some reason, and from what I understand you don’t want it above 1.3V.
It was only the other day so I ran a couple of 1 hour RealBench passes, a little bit of AIDA64 and an hour of OCCT Large Data Set as well as a few Cinebench runs and some gaming.
Yes I meant RAM subtimings, because I just flashed to beta bios F8H on the Aorus Master, and I noticed my 1344K in place fixed FFT (AVX) at my 2 hour rock stable settigs, were now not only crashing a thread (usually the first thread to crash, thread 6 or 7), BUT were also causing CPU L0 errors (WHEA correctable) too!
The 1.275v, 5 ghz + LLC Turbo test which had been stable 1-2 hours was now crashing/generating L0 errors in 5-15 minutes. So I decided to test my stable 5.1 ghz + 1.345v + LLC Turbo with 1344K AVX also, and it crashed in less than 6 minutes! Ran two tests at 5 ghz and one at 5.1 ghz to make sure.
So I flashed back to beta F8G and used the exact same settings precisely.
and guess what?
1.275v 5 ghz LLC Turbo passed 1 hour 10min at 1344K in place fixed AVX FFT’s till I stopped it.
Then 1.345v 5.1 ghz LLC turbo 1344K AVX passsed 1hour 15 min (stopped it)
Then went back to 5 ghz 1.275v again and again 1 hour 5 min pass and stopped it.
Exact same VR VOUT (cpu on die sense) voltage, watts, power draw as before. The only change was the bios between the unstable and stable tests.
Oddly enough, on both bioses, there was no problem with 15K in place fixed AVX FFT at 5 ghz, 1.285v (LLC turbo) with hyperthreading disabled (so, 8 threads only) for 1 hour+, which I long tested as my VMIN for this. Since 15K runs entirely in the cache (i assume), whatever was affecting the above didn’t affect this.
On one of the comprehensive memory guides on overclock.net, someone mentioned that one of the low subtimings affected AVX speed greatly.
Again I have no absolute proof as I would still need to have “VMINS” for 1344K AVX with hyperthreading disabled (I don’t), 1344K Non-AVX with hyperthreading enabled, to determine if it’s RAM access with AVX or hyperthreading itself with accessing RAM. And all of that crap takes WAY too long to test, since you need to find the min stable voltage for each test.
And then on top of that I would have to then test if increasing VCCIO or SA or something would help :/
But anyway you said you are on the exact same bios as before, so I just wasted my time writing all of this.
(tl;dr: in my case, new beta bios must have changed a RAM subtiming that may have affected AVX with RAM access, hurting stability)
Flokke So, this seemed to switch from the topic of trying to get Adaptive voltage to work properly more so to purposes of getting a stable overclock at 5ghz. I’m also having the same issues with getting my CPU to downvolt when at idle running like an 800mhz clock speed. I have it steady at 4.9ghz all core at 1.279v but no matter what I change with adaptive voltage I can’t get it to reduce bellow that 1.279v it just sits there. Granted this I suppose is first world problems at this point.
Maybe I will switch back to 605 as I’m almost certain that was the bios i had before upgrading just now and everything was working like it should then. I just figured the bios updates would be good to have as there seems to have been a lot of improvement since then. If someone has this current bios 0805 and has their CPU dropping the Vcore down like it’s should at idle multipliers please post your bios I’d love to take a look.
Silent Scone@ROG So, this seemed to switch from the topic of trying to get Adaptive voltage to work properly more so to purposes of getting a stable overclock at 5ghz. I’m also having the same issues with getting my CPU to downvolt when at idle running like an 800mhz clock speed. I have it steady at 4.9ghz all core at 1.279v but no matter what I change with adaptive voltage I can’t get it to reduce bellow that 1.279v it just sits there. Granted this I suppose is first world problems at this point.
.
Please see Shamino’s post on the previous page. It is not possible to set an Adaptive Voltage below the minimum VID. Please note that if you use Adaptive in conjunction with an offset (-) that this offset is applied to the entire VID stack.
Flokke Please see Shamino’s post on the previous page. It is not possible to set an Adaptive Voltage below the minimum VID. Please note that if you use Adaptive in conjunction with an offset (-) that this offset is applied to the entire VID stack.
Yeah I saw that I didn’t realize what it meant as I really don’t dabble to often into heavy overclocking but I do remember that I had this set before and it was down volting at idle on a different bios so i just assumed it was still a thing. I switched back to 506 and it’s behaving as it did before so I’ll just stick with the older bios for the reduced temps at idle.
Zammin So, this seemed to switch from the topic of trying to get Adaptive voltage to work properly more so to purposes of getting a stable overclock at 5ghz.
Yes, the original intent of the thread was to seek help regarding switching to Adaptive voltage mode under my circumstances at the time, however as mentioned on the last few pages those circumstances have changed for an unknown reason (my manual OC went from stable to unstable by itself, so to speak), throwing another spanner into the works. I am still working on an adaptive overclock, just not necessarily a 5Ghz one. I will likely need further assistance going forward. Feel free to start another thread if the info in this one or it’s direction doesn’t quite align with what you’re looking for. 🙂
If it helps, what I am doing at the moment is following Shamino’s suggestion of leaving the Adaptive Mode Additional Turbo Voltage on Auto and adjusting the IA AC/DC LoadLines and LLC to get the voltage in the right place.
Flokke Yes, the original intent of the thread was to seek help regarding switching to Adaptive voltage mode under my circumstances at the time, however as mentioned on the last few pages those circumstances have changed for an unknown reason (my manual OC went from stable to unstable by itself, so to speak), throwing another spanner into the works. I am still working on an adaptive overclock, just not necessarily a 5Ghz one. I will likely need further assistance going forward. Feel free to start another thread if the info in this one or it’s direction doesn’t quite align with what you’re looking for. 🙂
If it helps, what I am doing at the moment is following Shamino’s suggestion of leaving the Adaptive Mode Additional Turbo Voltage on Auto and adjusting the IA AC/DC LoadLines and LLC to get the voltage in the right place.
My appologies I’m not trying to hi-jack the thread. Generally as ALL post i’ve read on the subject point to another thread before making a new post. Since you started off with the problem I had which is that you couldn’t get the downvolting to work on Adaptive I figured i’d post the question again to see if maybe someone had come up with a solution to that problem.
As it appears to be an issue of bios versions just breaking things pretty much I have reverted back and now I have what I was looking for. Sorry again for posting the way I did if it felt like I was trying to hi-jack. (people on this forum are not keen to accepting new topics for issues that are currently being discussed already. I’ve read enough replies on threads that have something similar to this issue post that their is already a topic for that.)
Zammin My appologies I’m not trying to hi-jack the thread. Generally as ALL post i’ve read on the subject point to another thread before making a new post. Since you started off with the problem I had which is that you couldn’t get the downvolting to work on Adaptive I figured i’d post the question again to see if maybe someone had come up with a solution to that problem.
As it appears to be an issue of bios versions just breaking things pretty much I have reverted back and now I have what I was looking for. Sorry again for posting the way I did if it felt like I was trying to hi-jack. (people on this forum are not keen to accepting new topics for issues that are currently being discussed already. I’ve read enough replies on threads that have something similar to this issue post that their is already a topic for that.)
It’s all good, I know you weren’t trying to hikack. My issue originally was that my system was actually running a lot more voltage through the CPU under load in adaptive mode with the same LLC settings and voltage target I had in manual mode, now I understand why. The CPU was able to down-volt at idle still but I couldn’t get the voltage where I wanted it under load. As Shamino said it turned out to be because my OC was not exceeding the factory single core boost speed so it was ignoring some of the settings I had input. A different issue to yours so I thought this thread may not have quite aligned. Good to know you found the issue, I have had issues after updating BIOS versions in the past with my old Maximus X Z370 boards as well.
Zammin Sorry for what are likely a couple more noob questions. Still working on my 4.9Ghz adaptive OC here.
At LLC6 with the loadlines set to 0.03 I was able to pass an hour of realbench. Voltage under load was around 1.23-1.24V.
I’ve brought the LLC down to level 5, and ran realbench for an hour. The load voltage was generally 1.20-1.21V with very occasional dips to 1.19V. Temps were much better, not going much higher than 84C at peak, and averaging 74-80C when the coolant was fully soaked at 36.5C. Unfortunately the system froze while the display was asleep at around the 45min mark. No BSOD, everything had just locked up and the display wouldn’t wake up.
I then increased the Loadlines to 0.04 and ran the test again. It passed the hour test with similar temps and the same voltage reading as the last test.
My questions are as follows, does setting the IA AC/DC Loadlines manually override the SVID Behavior setting? Or is it the other way around? I’ve had SVID behavior set to “Best Case Scenario” for this 4.9Ghz OC and when doing a bit of reading up on the AI AC/DC Loadlines I came across a thread where Raja mentions setting this to best case is equivalent to setting the Loadlines to 0.01. I would assume that setting them manually overrides this but I thought I would ask to be sure. Should I set SVID behavior to Auto or leave it as Best Case Scenario?
The other question is regarding the cache ratio. I’m trying to overclock to cache now that I believe I am stable (at least in RealBench) and I’ve set the min and max ratio to 45, however this appear to prevent the CPU from downvolting at idle. Should I just set the max ratio and leave the min at Auto to amend this?
Is Realbench still a good test for the OC with the cache ratio increased? Or am I better off running AIDA64’s cache stress test instead?
Thanks again for any help and advice!
Shamino raja is right but since you’re manually over-riding it doesnt matter if its auto or best case, you will get your specified 0.04
The other question is regarding the cache ratio. I’m trying to overclock to cache now that I believe I am stable (at least in RealBench) and I’ve set the min and max ratio to 45, however this appear to prevent the CPU from downvolting at idle. Should I just set the max ratio and leave the min at Auto to amend this?
yes if you wanna idle with low volts.
Is Realbench still a good test for the OC with the cache ratio increased? Or am I better off running AIDA64’s cache stress test instead?
if you mean what is toughest to pass, its no different from core, the heaviest and hottest bench is the toughest, AVX prime95 is one of those. but you dont need to
realbench is enough if you just want a stable system apart from prime95 torture.
Zammin raja is right but since you’re manually over-riding it doesnt matter if its auto or best case, you will get your specified 0.04
The other question is regarding the cache ratio. I’m trying to overclock to cache now that I believe I am stable (at least in RealBench) and I’ve set the min and max ratio to 45, however this appear to prevent the CPU from downvolting at idle. Should I just set the max ratio and leave the min at Auto to amend this?
yes if you wanna idle with low volts.
Is Realbench still a good test for the OC with the cache ratio increased? Or am I better off running AIDA64’s cache stress test instead?
if you mean what is toughest to pass, its no different from core, the heaviest and hottest bench is the toughest, AVX prime95 is one of those. but you dont need to
realbench is enough if you just want a stable system apart from prime95 torture.
Thank you very much for your advice. 🙂
I have set the cache max 45 and left the min on auto. I’ve set the IA AC/DC Loadlines to 0.05 and LLC to level 5. I was able to pass an hour of RealBench with these settings as well as an hour of OCCT Large Data Sets. I’m thinking of running non-AVX Prim95 (26.6 is the one right?) as well but it’s looking good so far. My idle CPU and water temps are much better, and the CPU only needs 1.2-1.21V under load now which is great provided it stays stable.
Silent Scone@ROG The latest Prime95 beta allows you to disable AVX from within settings. Personally, I would stay with RB stability and use the machine for what you built it for till you encounter any issues, and adjust accordingly*
Zammin The latest Prime95 beta allows you to disable AVX from within settings. Personally, I would stay with RB stability and use the machine for what you built it for till you encounter any issues, and adjust accordingly*
That’s good to know, I’m glad they added the ability to disable AVX in Prime. Cheers.
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What does CPU Internal AC/DC Load Line really do?
I can’t really tell you what to set. You set what works on your system.
First of all, I did not say ‘enable svid offset on normal voltage, not auto’. I never said that.
I said “enable SVID offset ONLY on auto voltage, not on manual (override) voltage.”
I never even tested SVID offset on “Normal” voltage. As far as I know, the only difference between “Normal” and “Auto” is Normal allows DVID offset to be used, while Auto does not. DVID offset changes target voltage by an offset to VR VOUT. (VID is not affected by DVID).
I also said “do not use Auto voltage or SVID offset (from auto voltage) unless CPU Vcore loadline calibration is on Standard or Normal” (these are the same, checked Standard/Normal again last night).
Also, due to bugs with certain settings not being initialized at the same time, when going from manual voltage (especially with a different CPU speed) to Auto voltage, or even from DVID to manual voltage, go to auto first, save (don’t forget about loadline calibraton set down!), then change your CPU speed, then continue. Same thing if you go from DVID to manual. Go from DVID to auto first (or DVID to DVID 0.00v), save, then go to manual and set your new LLC.
By the way, if you saved a fully working setting in a bios saved profile, and then load another fully working drastically different setting from another profile, the settings will work fine without crashing or wrong values. The issues only seem to happen when you change a bunch of drastically different settings at once in the bios and save.
Also, I think you meant DVID offset 0.070, not SVID offset. SVID offset disables voltage control.
By the way, I did find exactly what SVID offset does.
It allows CPU VID to exceed 1.52v by up to 200mv (1.72v maximum). This also allows VR VOUT / VID to keep scaling via Thermal Velocity Boost by 1.5mv every 1C higher. You don’t see this much normally at higher overclocks and default AC/DC Loadline, because max VID prevents both VID and VR VOUT from exceeding 1.52v target voltage to the VRM (which then gets dropped via vdroop at load). You can see this yourself by setting DC Loadline to 0.01 mOhms and then enabling SVID offset and watching the CPU VID.
The Bios allowing SVID to be set on manual voltage and greying it out (without first reverting to auto voltage, thus using the old manual voltage instead) seems to just be a bug.
I don’t know if SVID offset being enabled when using DVID offset keeps the DVID offset working or not or if it reverts to 0.00, which would be the same as basic Auto (don’t know, not testing it either).
About the “power saving” crash thing:
Power saving uses AC Loadline of 0.4 mOhms (DCLL of 1.3 mOhms; the DC Loadline is irrelevant for voltage control, just used for power/VID measurements). If 0.4 mOhms (Bios value =40 for AC Loadline) doesn’t work for you, raise it (up to a maximum of 1.6 mOhms or =160). I can’t tell you what to use, especially if you’re downclocking or using C-states. Some people on this forum swear by downclocking or C-states. I refuse to use them.
Load line (electronics)
Graphical analysis tool for electronic circuit engineering
D ) while the straight line shows the behaviour of the linear part of the circuit: I=(V DD -V D )/R. The point of intersection gives the actual current and voltage. Diode load line. The curve shows the diode response (I vs V) while the straight line shows the behaviour of the linear part of the circuit: I=(V-V)/R. The point of intersection gives the actual current and voltage.
In graphical analysis of nonlinear electronic circuits, a load line is a line drawn on the characteristic curve, a graph of the current vs. the voltage in a nonlinear device like a diode or transistor. It represents the constraint put on the voltage and current in the nonlinear device by the external circuit. The load line, usually a straight line, represents the response of the linear part of the circuit, connected to the nonlinear device in question. The points where the characteristic curve and the load line intersect are the possible operating point(s) (Q points) of the circuit; at these points the current and voltage parameters of both parts of the circuit match.[1]
The example at right shows how a load line is used to determine the current and voltage in a simple diode circuit. The diode, a nonlinear device, is in series with a linear circuit consisting of a resistor, R and a voltage source, V DD . The characteristic curve (curved line), representing the current I through the diode for any given voltage across the diode V D , is an exponential curve. The load line (diagonal line), representing the relationship between current and voltage due to Kirchhoff’s voltage law applied to the resistor and voltage source, is
V D = V D D − I R {\displaystyle V_{D}=V_{DD}-IR\,}
Since the same current flows through each of the three elements in series, and the voltage produced by the voltage source and resistor is the voltage across the terminals of the diode, the operating point of the circuit will be at the intersection of the curve with the load line.
In a circuit with a three terminal device, such as a transistor, the current-voltage curve of the collector-emitter current depends on the base current. This is depicted on graphs by a series of (I C –V CE ) curves at different base currents. A load line drawn on this graph shows how the base current will affect the operating point of the circuit.
Load lines for common configurations [ edit ]
Transistor load line [ edit ]
The load line diagram at right is for a resistive load in a common emitter circuit. The load line shows how the collector load resistor (R L ) constrains the circuit voltage and current. The diagram also plots the transistor’s collector current I C versus collector voltage V CE for different values of base current I base . The intersections of the load line with the transistor characteristic curves represent the circuit-constrained values of I C and V CE at different base currents.[2]
If the transistor could pass all the current available, with no voltage dropped across it, the collector current would be the supply voltage V CC over R L . This is the point where the load line crosses the vertical axis. Even at saturation, however, there will always be some voltage from collector to emitter.
Where the load line crosses the horizontal axis, the transistor current is minimum (approximately zero). The transistor is said to be cut off, passing only a very small leakage current, and so very nearly the entire supply voltage appears as V CE .
The operating point of the circuit in this configuration (labelled Q) is generally designed to be in the active region, approximately in the middle of the load line for amplifier applications. Adjusting the base current so that the circuit is at this operating point with no signal applied is called biasing the transistor. Several techniques are used to stabilize the operating point against minor changes in temperature or transistor operating characteristics. When a signal is applied, the base current varies, and the collector-emitter voltage in turn varies, following the load line – the result is an amplifier stage with gain.
A load line is normally drawn on I c -V ce characteristics curves for the transistor used in an amplifier circuit. The same technique is applied to other types of non-linear elements such as vacuum tubes or field effect transistors.
DC and AC load lines [ edit ]
Semiconductor circuits typically have both DC and AC currents in them, with a source of DC current to bias the nonlinear semiconductor to the correct operating point, and the AC signal superimposed on the DC. Load lines can be used separately for both DC and AC analysis. The DC load line is the load line of the DC equivalent circuit, defined by reducing the reactive components to zero (replacing capacitors by open circuits and inductors by short circuits). It is used to determine the correct DC operating point, often called the Q point.
Once a DC operating point is defined by the DC load line, an AC load line can be drawn through the Q point. The AC load line is a straight line with a slope equal to the AC impedance facing the nonlinear device, which is in general different from the DC resistance. The ratio of AC voltage to current in the device is defined by this line. Because the impedance of the reactive components will vary with frequency, the slope of the AC load line depends on the frequency of the applied signal. So there are many AC load lines, that vary from the DC load line (at low frequency) to a limiting AC load line, all having a common intersection at the DC operating point. This limiting load line, generally referred to as the AC load line, is the load line of the circuit at “infinite frequency”, and can be found by replacing capacitors with short circuits, and inductors with open circuits.
References [ edit ]
VRM Load-Line Visualized
Many like to tinker with their motherboard load-line settings to achieve better overclocking results. But how does this setting really work and how does the voltage output change with it? Check below to find out.
What is Load-Line?
The load-line setting, normally in mΩ (milliohms), determines how much the output voltage decreases when loaded. This is derived from Ohm’s Law U = R*I. The drop in output voltage is calculated as load-line * Iout (output current). For example a load-line of 1 mΩ and output current of 100 A, dU = 0.001 Ω * 100 A = 0.100 V. At 1.300 V set-point output voltage, when loaded with 100 A the output would really be 1.300 – 0.100 = 1.200 V. The primary reason for using a load-line in modern systems is to reduce voltage spikes (overshoot) when going from high to low output current and achieve a more predictable behavior.
What are Motherboard Load-Line Levels?
Vendor Option Values (high to low) ASRock CPU Load-Line Calibration Level 5 to Level 1 ASUS CPU Load-line Calibration Level 1 to Level 8 Gigabyte CPU Vcore Loadline Calibration Turbo, Extreme, Ultra Extreme MSI CPU Loadline Calibration Control No OV, Mode 8 to Mode 1
Load-Line Levels or similar are profiles created by motherboard manufacturers to obfuscate and “simplify” different load-line values for users. Another reason for these profiles is because additional VRM (Voltage Regulator Module) settings may need to adjusted along with the load-line value to keep it operating within spec.
Test setup
ROG Maximus XI Gene (BIOS 1005)
Intel Core i9-9900K @ 4.7G 1.200V
Siglent SDS1104X-E
Test leads connected to CPU die-sense pins
Summary
The captures below show the output voltage transient behavior when loaded with about 70 A for ~150 μs. The LLC1 capture illustrates ideal load-line behavior. As the load-line value decreases (higher level), the line flattens and the under/overshoot spikes at start and finish become more pronounced. The lowest voltage point at the beginning of the load transient does not improve much. In this case, using a Load-Line Level of above 3 seems questionable. The load voltage would increase meaning higher power consumption, but the worst case lowest voltage would stay the same. Additionally the over-shoot after load release increases. Increasing the VRM Switching Frequency from 500 KHz to 800 KHz shows very minor improvements.
Results
LLC1 500KHz
LLC2 500KHz
LLC3 500KHz
LLC4 500KHz
LLC5 500KHz
LLC6 500KHz
LLC7 500KHz
LLC8 500KHz
Summary FSW = 500 KHz
LLC1 800KHz
LLC2 800KHz
LLC3 800KHz
LLC4 800KHz
LLC5 800KHz
LLC6 800KHz
LLC7 800KHz
LLC8 800KHz
What does CPU Internal AC/DC Load Line really do?
I can’t really tell you what to set. You set what works on your system.
First of all, I did not say ‘enable svid offset on normal voltage, not auto’. I never said that.
I said “enable SVID offset ONLY on auto voltage, not on manual (override) voltage.”
I never even tested SVID offset on “Normal” voltage. As far as I know, the only difference between “Normal” and “Auto” is Normal allows DVID offset to be used, while Auto does not. DVID offset changes target voltage by an offset to VR VOUT. (VID is not affected by DVID).
I also said “do not use Auto voltage or SVID offset (from auto voltage) unless CPU Vcore loadline calibration is on Standard or Normal” (these are the same, checked Standard/Normal again last night).
Also, due to bugs with certain settings not being initialized at the same time, when going from manual voltage (especially with a different CPU speed) to Auto voltage, or even from DVID to manual voltage, go to auto first, save (don’t forget about loadline calibraton set down!), then change your CPU speed, then continue. Same thing if you go from DVID to manual. Go from DVID to auto first (or DVID to DVID 0.00v), save, then go to manual and set your new LLC.
By the way, if you saved a fully working setting in a bios saved profile, and then load another fully working drastically different setting from another profile, the settings will work fine without crashing or wrong values. The issues only seem to happen when you change a bunch of drastically different settings at once in the bios and save.
Also, I think you meant DVID offset 0.070, not SVID offset. SVID offset disables voltage control.
By the way, I did find exactly what SVID offset does.
It allows CPU VID to exceed 1.52v by up to 200mv (1.72v maximum). This also allows VR VOUT / VID to keep scaling via Thermal Velocity Boost by 1.5mv every 1C higher. You don’t see this much normally at higher overclocks and default AC/DC Loadline, because max VID prevents both VID and VR VOUT from exceeding 1.52v target voltage to the VRM (which then gets dropped via vdroop at load). You can see this yourself by setting DC Loadline to 0.01 mOhms and then enabling SVID offset and watching the CPU VID.
The Bios allowing SVID to be set on manual voltage and greying it out (without first reverting to auto voltage, thus using the old manual voltage instead) seems to just be a bug.
I don’t know if SVID offset being enabled when using DVID offset keeps the DVID offset working or not or if it reverts to 0.00, which would be the same as basic Auto (don’t know, not testing it either).
About the “power saving” crash thing:
Power saving uses AC Loadline of 0.4 mOhms (DCLL of 1.3 mOhms; the DC Loadline is irrelevant for voltage control, just used for power/VID measurements). If 0.4 mOhms (Bios value =40 for AC Loadline) doesn’t work for you, raise it (up to a maximum of 1.6 mOhms or =160). I can’t tell you what to use, especially if you’re downclocking or using C-states. Some people on this forum swear by downclocking or C-states. I refuse to use them.
Intel Alder Lake Test: When motherboard settings affect the power consumption and temperature of the CPU
1 – Preamble about motherboard design and voltage regulation 2 – The AC/DC loadline in theory and practice 3 – AC/DC loadline – practical examples 4 – The V/F curve and its consequences
The AC/DC Loadline in theory and practice
AC Loadline and DC Loadline can be set separately in the BIOS in the advanced VR settings, whereby the designation in the menu can vary somewhat from manufacturer to manufacturer (see image below). These settings always have priority over the settings of the “CPU Internal Load Line”. The values are given in 1/100 mOhm. Example: 0.8 mOhm would result in a value of 80 in our picture. An AC and a DC value of 40 (0.4 mOhm) is provided for current saving. In between there are several intermediate levels to choose from.
Let us now turn to the tasks of both values. The AC Loadline (VRM Loadline) as value 1 influences the operating voltages ONLY for AUTO voltages (not for manual overwriting), we have to consider this. So the target voltage for the VRM (which is based on the CPU’s original pre-programmed default VID at that cache and core ratio) is first boosted up to 1.520 V at full load (yes depending on the CPU, the boost at idle is lower) and then Vdroop drops the voltage for the CPU back down to a safe level.
DC Loadline as value 2 does not affect operating voltages, only power measurements and VID, but DC Loadline is best set by beginners to the same value as VRM Loadline (value 1) to get accurate VID and CPU package power reports when using
or SVID Offset (set after is applied). In my example, both values are factory set to 80 in the BIOS. And then there is another important fact: the tolerance band. The “DC” tolerance of the core voltage (the amount of uniform noise allowed) is specified as a so-called voltage band around the value of the load line (so-called tolerance band) and has a not insignificant influence on the stability of Vcore and thus of the system. In addition, constant overvolting (upper tolerance range) can already lead to an increase in power consumption and thus also in the thermal load (temperatures).
I already mentioned SVID Offset as well and would like to conclude by explaining that briefly as well. This is where AC loadline amplification comes in (increases VID, VR VOUT, and load voltages) to make even bad CPU samples run stably, even when they shouldn’t! SVID Offset can be used to reduce the idle voltage/VR VOUT for automatic voltages, while the load voltages for better CPU samples are then again similar to those with SVID disabled. So if you have a so-called potato chip, you could try it with Vcore set to
, LLC (Load Line Calibration) set to default, AC and DC load line set to at least 80 and then enable SVID Offset. This actually always works, but you also have to keep an eye on the temperatures (and voltages). The following table from Intel’s internal documents shows that one could even work with values around 170 (1.7 mOhm) for DC, while MSI has pushed the default quite low, thus rather in the direction of economy. What this then means in practice and whether one can save even more, you can see on the next pages. Of course, the default settings can differ from board to board and the 80 on board A does not necessarily have to be the same 80 on board B. However, it is also important here that the corresponding LLC is selected (or it is best to leave it at
or for now). I know from internal conversations with BIOS developers that e.g. in this area of AC/DC loadline and SVID offset the manufacturers like to cheat a bit to offer more stable overclocking possibilities also for worse CPU samples. The result is well known: more stable OC for dummies who don’t have to painstakingly adjust anything else and unfortunately also higher power consumption and temperature values at the CPU. You can look at it any way you want, but it’s not pretty. Because it is also not sure if the visible menu entries are really the real value or if something is not stored completely different internally with further offsets (i.e. 80 in the AC/DC loadline menu of the UEFI and 90 then as the really used value etc.)
Digi+ VRM, Synch ACDC Loadline with VRM Loadline – m 2 slots
ROG STRIX Z390-E GAMING BIOS Manual
31
Memory Scrambler
Set this item to enable or disable memory scrambler support.
Configuration options: [Enabled] [Disabled]
Channel A DIMM Control
Allows you to enable or disable the Channel A DIMM slots.
Configuration options: [Enable Both DIMMS] [Disable DIMM0] [Disable DIMM1] [Disable Both DIMMS]
Channel B DIMM Control
Allows you to enable or disable the Channel B DIMM slots.
Configuration options: [Enable Both DIMMS] [Disable DIMM0] [Disable DIMM1] [Disable Both DIMMS]
MCH Full Check
Enable this item to enhance the stability of your system. Disable this item to enhance
the DRAM overclocking capability.
Configuration options: [Auto] [Enabled] [Disabled]
Training Profile
Allows you to select the DIMM training profile.
Configuration options: [Auto] [Standard Profile] [User Profile]
DLLBwEn
Configuration options: [Auto] [1] – [7]
DRAM SPD Write
Configuration options: [Enabled] [Disabled]
Digi+ VRM
CPU Load-line Calibration
Load-line is defined by Intel
®
specification and affects CPU power voltage. The CPU
working voltage decreases proportionally to CPU loading. Higher load-line calibration
could get higher voltage and good overclocking performance, but increases the CPU
and VRM thermal conditions.
Configuration options [Auto] [Level 1] – [Level 7]
The actual performance boost may vary depending on your CPU specification.
DO NOT remove the thermal module. The thermal conditions should be monitored.
Synch ACDC Loadline with VRM Loadline
Enable this item to allow the VRM Loadline to be adjusted automatically to match the
AC/DC Loadline.
Configuration options: [Enabled] [Disabled]
IA AC/DC Load Line?
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AC/DC Loadline and VRM monitoring support for Z490 boards
Hi Martin,
When you have time, can you look into updating HWinfo for reading the AC/DC loadines on the various Z490 boards? Tested Maximus 12 Extreme and Aorus Master, and no AC/DC Loadline in the CPU information area.
Also for VRM monitoring on the Intersil (and possibly other when possible) VRM boards, e.g., VR VOUT, Current IOUT, Power POUT etc, for boards like the Z490 Aorus Master/Xtreme, and similar boards. Just tested an Aorus Master and there was no VRM information, etc.
Thank you!
Reddit post and comment search
API examples
curl “https://socialgrep.com/api/v1/search/posts?query=ac%20loadline” -H “Accept: application/json” -H “Authorization: Bearer YOUR_KEY”
curl “https://socialgrep.com/api/v1/search/comments?query=ac%20loadline” -H “Accept: application/json” -H “Authorization: Bearer YOUR_KEY”
Posts:Comments:For more information, see the API Reference page.
키워드에 대한 정보 synch ac dc loadline with vrm loadline
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