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  1. #11
    ROG Guru: Yellow Belt Array
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    Hey Silent Scone@ROG - Since you are chiming in here, can you clarify which set of PBO controls in the BIOS we should use? In this thread, MilkySunshine says use the AMD overclocking section and set everything in Extreme Overclocking section to Auto. Then jincuteguy says AMD Ryzen Master only reacts to values set in the Extreme Overclocking section. So which one should we use, and what settings should the identical items in the other section be set to (Auto?).

    More generally, why does the Crosshair VIII Dark Hero Bios have PBO and other overclocking settings in more than one place? Which ones take precedence?

    Thanks!

  2. #12
    ROG Enthusiast Array
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    Quote Originally Posted by BillBittel View Post
    Hey Silent Scone@ROG - Since you are chiming in here, can you clarify which set of PBO controls in the BIOS we should use? In this thread, MilkySunshine says use the AMD overclocking section and set everything in Extreme Overclocking section to Auto. Then jincuteguy says AMD Ryzen Master only reacts to values set in the Extreme Overclocking section. So which one should we use, and what settings should the identical items in the other section be set to (Auto?).

    More generally, why does the Crosshair VIII Dark Hero Bios have PBO and other overclocking settings in more than one place? Which ones take precedence?

    Thanks!
    Yea the PPT, TDC, and EDC values only work with Amd Ryzen Master are the ones in the Asus Extreme Overclock section. I dont know why the ones in the AMD section don't work.

  3. #13
    Administrator Array Silent Scone@ROG's Avatar
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    Quote Originally Posted by BillBittel View Post
    Hey Silent Scone@ROG - Since you are chiming in here, can you clarify which set of PBO controls in the BIOS we should use? In this thread, MilkySunshine says use the AMD overclocking section and set everything in Extreme Overclocking section to Auto. Then jincuteguy says AMD Ryzen Master only reacts to values set in the Extreme Overclocking section. So which one should we use, and what settings should the identical items in the other section be set to (Auto?).

    More generally, why does the Crosshair VIII Dark Hero Bios have PBO and other overclocking settings in more than one place? Which ones take precedence?

    Thanks!

    Use the ones under the Extreme Tweaker menu.

  4. #14
    New ROGer Array Milkysunshine PC Specs
    Milkysunshine PC Specs
    MotherboardASUS ROG CROSSHAIR VIII DARK HERO | GIGABYTE AORUS z590 ELITE AX
    ProcessorAMD 5950x | Intel 11900k
    Memory (part number)64g Ballistix 3600 @ 3766 (BL16G36C16U4BL.M8FB1) | 64g Ballistix 3200 @ 3800 (BL16G32C16U4BL.M16FE)
    Graphics Card #1ASUS RTX 2070 Super Turbo | EVGA GeForce GTX 1060 6GB SC GAMING
    Storage #1WD SN850 1TB | Samsung 980 Pro 1TB
    Storage #2Samsung 970 Evo Plus 2TB | 6 x WD RED Nas Array
    CPU CoolerThermaltake 360 AIO | NZXT Kraken X53 240 AIO
    CaseCorsair 5000D Airflow | Fractal Design Define R5
    Power SupplyEVGA SuperNOVA 850 P2 | EVGA SuperNOVA 750 GA
    Keyboard ASUS ROG STRIX FLARE | Generic Mechanical
    Mouse ASUS ROG GLADIUS II ORIGIN | Logitech G602

    Join Date
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    Quote Originally Posted by jincuteguy View Post
    Yea the PPT, TDC, and EDC values only work with Amd Ryzen Master are the ones in the Asus Extreme Overclock section. I dont know why the ones in the AMD section don't work.
    Ryzen master uses the ones in the extreme overclock section as the maximum possible settings. The ones in the AMD section DO work, they apply, and that can be verified with HWiNFO64 before even opening ryzen master.

    My suggestion to use the AMD ones from WEEKS of testing PBO curve offset, as well as all other pbo settings. I found the extreme overclock section would provide very unreliable, and often unpredictable results.

    After upgrading to the latest bios, I tried setting all settings in extreme overclock section ONLY. I would get random BSODs, and fail prime95 at 720k. Clearing cmos, and setting those SAME EXACT SETTINGS in amd overclocking sections yields a completely stable system, with better benchmarks, while easily passing prime95.

    So yeah, as always, YMMV, and maybe I have a fluked board or something, but those were my results. My best suggestion is try for yourself. Only caveat is, use one or the other, not both.

  5. #15
    ROG Guru: White Belt Array
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    I have a C8F, currently on BIOS 3801. I also found on my mb that the PBO under AMD overclock settings are more reliable than the same in the Extreme Tweaker menu.
    The two settings pages also result in different benchmark scores, with the one in the AMD overclock settings usually providing slightly higher scores even using the exact same values.

    It is obvious that they are somehow different and act differently.

    Silent Scone, or anyone that has this lower-level knowledge, is there any way to shed some light over these different behaviours, please ? In which way are these settings pages different and why and when should we use one or the other ?
    Last edited by Kelutrel; 09-12-2021 at 10:59 PM.

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