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  1. #1
    ROG Member Array
    Join Date
    Dec 2016

    Set PBO on 2950X throughBIOS


    I'd like to set custom PBO values similar what I can do in Ryzen Master. I found the PBO settings in the BIOS and using Enabled work with some default presets. Now setting this to Manual, where values can be entered does nothing, unless I also set PBO scale.

    Now for the "scale" settings I don't know what value to use. This is not something that exist in Ryzen Master and I am a bit confused what is it for and what values are to be entered there. Setting it to 300 seems to work fine, but I am afraid that the voltage may go up too high.

    Any general guidance how to properly set PBO on Zenith Extreme?

  2. #2
    ROG Guru: Blue Belt Array gupsterg PC Specs
    gupsterg PC Specs
    MotherboardAsus Maximus VII Ranger
    Processori5 4690K
    Memory (part number)HyperX Savage 2400MHz 16GB
    Graphics Card #1Sapphire R9 Fury X (1145/545 Custom ROM)
    MonitorAsus MG279Q
    Storage #1Samsung 840 Evo 250GB
    Storage #2HGST 2TB
    CPU CoolerThermalRight Archon SB-E X2
    CaseSilverstone Temjin 06
    Power SupplyCooler Master V850
    Headset/Speakers HyperX Cloud
    OS Win 7 Pro x64 / Win 10 Pro x64
    gupsterg's Avatar
    Join Date
    Feb 2015

    Increased scalar value relaxes voltage limiting rules of FIT monitoring. You may find reading the section under heading "Where is the limit?" in this post by The Stilt helpful.

    The value goes upto 10x on X470, what is the maximum value you can enter in the box on X399?
    Intel Defector AMD Rebel

    TR 1950X - Custom WC - Asus Zenith Extreme Alpha - G.Skill Trident Z 3400MHz C14 QC - RX VEGA 64
    R5 3600 - Custom WC - Asus Crosshair VII Hero Wifi - G.Skill Ripjaws V 3800MHz C16 - Sapphire HD 5850 Toxic

    24/7 OC: i5 4690K @ 4.9GHz CPU@1.255v 4.4GHz Cache@1.10v - Archon SB-E X2 - Asus Maximus VII Ranger
    Sapphire Fury X (1145/545 ~17.7K GS 3DM FS)

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