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Hot!2080 TI KPE can't get passed 1.075v

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Zeddivile
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2019/04/20 20:18:29 (permalink)
Hi,
 
So I just got around to looking at GPU Core voltage and noticed that I can't get passed 1.075v. Checked software and with MM
 
Even with the classy tool settings NVVDD @1.1375 and VVDD Loadline @ level 5.
 
Yes I installed the latest version of PX1 and performed the firmware update.
 
I want to make sure I figure this issue out so that I can move on to some DICE and LN2 testing. Would suck to waist $$$ stuck at a silly stock voltage. Tested on all 3 bios.
 
Any idea's?

"This stuff breaks my tiny often dehydrated and carb deprived hamster brain"
 
 
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    richiec77
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    Re: 2080 TI KPE can't get passed 1.075v 2019/04/20 20:24:34 (permalink)
    You made changes with the classified tool and then restarted? Aka a soft reboot? Also which position is the BIOS switch in? I have only tried using the tool with the OC and LN2 BIOS.

    Also max out the voltage slider and choose a V/F point at 1.093v for max freq and voltage applied.
    #2
    Zeddivile
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    Re: 2080 TI KPE can't get passed 1.075v 2019/04/20 21:12:34 (permalink)
    Ya the only thing I have not done is the V/F point in PX1 or are you setting V/F in afterburner?
     
    thx for the info

    "This stuff breaks my tiny often dehydrated and carb deprived hamster brain"
     
     
    #3
    richiec77
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    Re: 2080 TI KPE can't get passed 1.075v 2019/04/20 21:41:51 (permalink)
    Yes. X1 curve editor is atrocious. It needs fixing. Damn near impossible to adjust it in detail.

    Used AB 4.60 Final DL from Guru3D.
    #4
    TiN_EE
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    Re: 2080 TI KPE can't get passed 1.075v 2019/04/21 07:01:27 (permalink)
    V/F curve doesn't do anything if you override voltage directly.
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    AHowes
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    Re: 2080 TI KPE can't get passed 1.075v 2019/04/21 10:59:00 (permalink)
    TiN_EE
    V/F curve doesn't do anything if you override voltage directly.


    What do you use to override the voltage with?

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    #6
    TiN_EE
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    Re: 2080 TI KPE can't get passed 1.075v 2019/04/21 11:01:49 (permalink)
    Get a candy from candythread here.
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    AHowes
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    Re: 2080 TI KPE can't get passed 1.075v 2019/04/21 11:13:48 (permalink)
    Thanks TiN!

    Wish these card came with you guys autographs!

    Gold pen on the backplate!

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    #8
    Zeddivile
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    Re: 2080 TI KPE can't get passed 1.075v 2019/04/21 19:05:04 (permalink)
    So I spent a couple hours logging incremental adjustments with the classy tool, PX1, and "AB 4.60 Final" and got all kinds of inconstancy.  At one point my KPE would drop to 469mhz GPU core and mem idle and then boost to desired clocks under load.
     
    I Did see 1.089v on gpu core for a minute but wouldn't hold and Frequency was hopping all around like an Easter bunny. logged everything via google docs spread sheet as is my methodology...
     
    To be clear my process when attempting to get passed 1050/1060mv was as follow:
     
    Environment =
    ambient temp ~20c
    Bench -open case all max fans - fans = Noctua IPPC 3000rpm x5 +evga KPE clc fans - Moving enough air to blow down the green screen... 
    temp sensors at PCIE ~28c
    MAX GPU temp was 41c
    MAX VRAM temp was 50c.
    Idle GPU temp was ~27c
    Idle vram temp was ~39c
    During the majority of this session GPU temp at load was ~36c and VRAM temp was >50c
     
    Workflow =
    1. max out pwr limit ect on PX1
    2.Launch the "tool" and set the slider to any VDDC voltage from 1.07 to 1.15 -save
    3.soft reboot.
    4.max out pwr limit ect on PX1
    5. Launch 3DMark and set process priority
    6. Start Custom runs of FSX GT1 & GT2 only
     
    Ran this workflow on all 3 bios's
     
    Sometimes this process would even nurf voltage as I was originally hitting 1079mv without any tweaks and mostly only saw 1050/1060mv via 3rd party software and multi-meter but PX1 would show 1010mv to 1014mv
     
    Was up pretty late and at the end I decided to DDU nvidia drivers and uninstall AB and PX1 rebooted a few times and things went mostly back to normal. I think ive decided to wait for the Z390 Dark to arrive on weds and then will give a Fresh bench OS a go. When the dark gets here I will go with NO CASE and rig everything up on a Streamcom BC1 powered by a 1300 G2.
     
    I am probably just tooo focused on something and am missing something simple. I can be pretty dense sometimes or the bench OS I was using is a ruined.
     
     
     
     
    post edited by Zeddivile - 2019/04/21 19:15:37

    "This stuff breaks my tiny often dehydrated and carb deprived hamster brain"
     
     
    #9
    TiN_EE
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    Re: 2080 TI KPE can't get passed 1.075v 2019/04/21 19:23:07 (permalink)
    Before you go any deeper, lets do some sanity checks.
    a. If you using candytools then "Voltage" slider in PX1 does not do anything. You can leave it alone and ignore it altogether.
    b. When you have no 3D load card will drop down clocks/p-state to low power, (300MHz when not overclocked).
    In your workflow, you don't need to set pwr target slider, NVDD and then reboot, you may need reboot only if you touch memory voltages.
    To monitor actual voltage use PX1, select to show GPU NVVDD sensor on OLED, or use DMM attached to ProbeIt port. Don't forget to uncheck Auto on candytool
    At this point, before you get things behaving I would recommend to avoid using any 3rd part software, as anything else that access GPU likely to cause interference/issues instead. Keep things simple and test one at the time.
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    bcavnaugh
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    Re: 2080 TI KPE can't get passed 1.075v 2019/04/21 19:36:51 (permalink)
    Do we still change the Memory and GPU in PX1?
    What about the NVVDD Loadline? Keep at 10?
     
    TiN_EE
    Before you go any deeper, lets do some sanity checks.
    a. If you using candytools then "Voltage" slider in PX1 does not do anything. You can leave it alone and ignore it altogether.
    b. When you have no 3D load card will drop down clocks/p-state to low power, (300MHz when not overclocked).
    In your workflow, you don't need to set pwr target slider, NVDD and then reboot, you may need reboot only if you touch memory voltages.
    To monitor actual voltage use PX1, select to show GPU NVVDD sensor on OLED, or use DMM attached to ProbeIt port. Don't forget to uncheck Auto on candytool
    At this point, before you get things behaving I would recommend to avoid using any 3rd part software, as anything else that access GPU likely to cause interference/issues instead. Keep things simple and test one at the time.

    post edited by bcavnaugh - 2019/04/21 19:49:02

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    TwoEvilOne
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    Re: 2080 TI KPE can't get passed 1.075v 2019/04/21 19:39:19 (permalink)
    AHowes
    Thanks TiN!

    Wish these card came with you guys autographs!

    Gold pen on the backplate!



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    Zeddivile
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    Re: 2080 TI KPE can't get passed 1.075v 2019/04/21 21:22:55 (permalink)
    @TiN_EE
     
    Thank you for the sanity check. Not that it needs to be said but of course I will memorialize the info you provided, follow these guidelines moving forward and it sounds like others will as well.
     
     I do this "To monitor actual voltage use PX1, select to show GPU NVVDD sensor on OLED, or use DMM attached to ProbeIt port. Don't forget to uncheck Auto on candytool"
     
    my observation prior to tweaking the KPE with RTX of which I own a 2070, 2080 and this KPE was that base clock was 1350 ~ So could it be that during my observation of RTX the setting - NVIDIA control panel\manage 3d settings\power management mode = "prefer maximum performance" was preventing me from seeing the idle 300mhz gpu clock and instead keeping the base clock 1350. Until the driver blew up and I subsequently lost the power management mode value I am accustomed to? If not this specific power management toggle perhaps another anyway
     
    I don't know but I can say that I am by no means an expert on any of this stuff. Just an enthusiast that contracted a bad case of overclocks from an AXIA Thunderbird back in the early 2000s and never really found a cure..heheh
     
    Honored to play with this beautiful piece hardware, humbled by my ignorance and thankful for everyone's input here on the this forum.
     
     
    post edited by Zeddivile - 2019/04/21 21:29:50

    "This stuff breaks my tiny often dehydrated and carb deprived hamster brain"
     
     
    #13
    bcavnaugh
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    Re: 2080 TI KPE can't get passed 1.075v 2019/04/21 21:26:15 (permalink)
    Nice Find "NVIDIA control panel\manage 3d settings\power management mode = "prefer maximum performance""

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    TiN_EE
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    Re: 2080 TI KPE can't get passed 1.075v 2019/04/22 10:05:14 (permalink)
    I've added some details about loadline and how power limiter affects performance in the guide. Check it out.
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    bcavnaugh
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    Re: 2080 TI KPE can't get passed 1.075v 2019/04/22 10:11:09 (permalink)


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    fragility_V1
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    Re: 2080 TI KPE can't get passed 1.075v 2019/04/22 10:22:02 (permalink)
    TiN_EE
    I've added some details about loadline and how power limiter affects performance in the guide. Check it out.


    Thanks for another awesome update!  Very helpful.  Can't wait for that watercooling section update!


    #17
    Zeddivile
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    Re: 2080 TI KPE can't get passed 1.075v 2019/04/29 13:36:10 (permalink)
    After all the effort trying to get passed 1.075 it turns out at the temps and clock I am running it is not necessary. >1.075 @ 2190 for most loads seems more than sufficient.
     
    Maybe LN2 bios would be different story with the removal of power limits?
     
     

    "This stuff breaks my tiny often dehydrated and carb deprived hamster brain"
     
     
    #18
    bcavnaugh
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    Re: 2080 TI KPE can't get passed 1.075v 2019/04/29 14:12:03 (permalink)
    What is the Max Wattage you have seen being used?

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    #19
    Zeddivile
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    Re: 2080 TI KPE can't get passed 1.075v 2019/04/29 15:12:45 (permalink)
    Low. Like under 350w I will have to check the spreadsheet but I think maybe 324 is typical. I have not been testing with the more complex benchmarks that should drive more power into the card I am thinking something like Port Royal with all the RTX Cores sucking power is what would get me to 376+? Also am hesitant to push 400+watts if I even can until I get a hydro copper on the KPE.
     
    I am slow and methodical in my processes. Like I will get 75-100 runs in on Fire Strike Extreme before moving on to Firestrike Ultra ect. With pascal and the 9900K I found that max combined overclock stability for one benchmark was not viable for another. Obviously that would indicate an unstable overclock... However I am chasing max perf not stability.  At some point I will clean up my spreadsheet and publish it.
     
    post edited by Zeddivile - 2019/04/29 15:16:39

    "This stuff breaks my tiny often dehydrated and carb deprived hamster brain"
     
     
    #20
    bcavnaugh
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    Re: 2080 TI KPE can't get passed 1.075v 2019/04/29 15:19:17 (permalink)
    Slow incremental climb on the memory is what I have been doing most of today.
    I am running +1600 now on the Memory Keeping the GPU @ +178 2220MHz.
    https://www.3dmark.com/compare/fs/19196132/fs/19193460
    My Last Run and my First Run.
    Ending here on Fire Strike 30380 Fire Strike for now. My Test Runs
    Core clock 2,220 MHz Memory bus clock 2,150 MHz
    post edited by bcavnaugh - 2019/04/29 15:25:30

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    #21
    TiN_EE
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    Re: 2080 TI KPE can't get passed 1.075v 2019/04/29 19:13:29 (permalink)
    I am slow and methodical in my processes.

    Best way to get feel of things and understand the matter ;)
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