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  1. #1
    ROG Enthusiast Array
    Join Date
    Nov 2018

    Question Will the new Ryzen 3x00XT CPUs require new bioses?

    And will they be available on 7/7/2020 when the CPUs are available? I hope these new CPUs can fit in the bios because AMD said if we use the Zen 3 Bios on X470's then we won't be able to use older chips or even go back.

    I will be updating to a 3900x, but I have a C7H wifi. I hope the proper bios for this chip will be available by then.

  2. #2
    ROG Guru: Brown Belt Array RedSector73 PC Specs
    RedSector73 PC Specs
    Laptop (Model)FA506IU-AL130T x 2
    ProcessorAMD Ryzen 9 3900X 12-Core Processor
    Memory (part number)4 x G.SKILL F4-3800C14D-16GTZN 14-16-16-36 Samsung B-Die
    Graphics Card #1Gigabyte Aorus RTX 2080 Ti Xtreme WaterForce (GV-N208TAORUSX W-11GC)
    Sound CardArctis DAC
    MonitorAsus ROG Swift PG348Q
    Storage #1ADATA SX8200PNP 1TB
    Storage #22 x Samsung SSD 840 EVO 250GB
    CPU CoolerCoolermaster Liquid Pro Master 360
    CaseEVGA DG-87 Gunmetal Grey Gaming Case
    Power SupplyEVGA SuperNOVA G2 750W Gold Power
    Keyboard Corsair K95 RGB Platinum
    Mouse Corsair Gaming Sabre RGB Gaming Mouse
    Headset ARCTIS Pro Wireless
    Mouse Pad Cooler Master MP750 RGB Cloth Gaming Mouse Pad Extra Large
    OS Windows 11 64bit Pro
    Network RouterPfSence Intel i5-10210U 6 Port
    Accessory #1 TP-Link Gigabit 8&6 Port Switches

    Join Date
    Apr 2018

    The XT is a refresh of Ryzen 3000 series ZEN2 not ZEN3 (that will be closer to end of year)

    Quote Originally Posted by amadeus1171 View Post
    AMD said if we use the Zen 3 Bios on X470's then we won't be able to use older chips or even go back.
    This is because low level (higher risk) format of the BIOS is required in order to use ZEN3 and why it will be one way trip for older motherboards. (this is my understanding from reading about it, might be wrong, not a BIOS expert in way shape or form)
    Last edited by RedSector73; 06-18-2020 at 03:44 PM.

  3. #3
    ROG Enthusiast Array User_od's Avatar
    Join Date
    May 2019


    AMD appear to be branching the AGESA code off.

    AGESA v1 for 3xx / 4xx series boards.
    AGESA v2 for 5xx series boards.

    ASUS should hopefully release a road map of when to expect the updates (as others have).
    They will probably release updates for newer 5xx series boards as first priority.

    Only ASUS can answer the rest of your questions.
    But they don't seam to very active on this forum strangely enough.

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