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  1. #1
    ROG Guru: White Belt Array dusank PC Specs
    dusank PC Specs
    MotherboardASUS Crosshair VI Extreme
    ProcessorAMD Ryzen 1800X
    Memory (part number)G.Skill F4-3200C14D-16GTZRX
    Graphics Card #1MSI GeForce GTX 1080 GAMING X 8GB
    MonitorSamsung SyncMaster T220
    CPU CoolerCorsair H80i v2
    CaseThermaltake Armor+
    Power SupplyCorsair HX620W
    Keyboard Razer BlackWidow Ultimate Stealth
    Mouse Razer Mamba
    Mouse Pad Razer Destructor
    OS Windows 10 Pro
    dusank's Avatar
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    Dec 2017
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    Angry Bootability with G.Skill F4-3200C14D-16GTZRX (BUG)

    I was able to set up my RAM to work at 3066MHz here: Setting-up-G-Skill-F4-3200C14D-16GTZRX

    The problem is that my board sometimes boots up normally but sometimes it resets with: "Your memory settings have been reset due to failure to boot".

    This happens unpredictably without any BIOS value changes.

    When my RAM boots up it is totally stable for tens of hours of stress/stability testing. I dont believe it is a problem with the RAM kit thus. Then a single reboot and failure emanates.

    3200MHz never boots
    3066MHz often does not boot even though it booted many times before
    Even lower frequencies down to 2400MHz sometimes dont boot up at all.

    I was able to fix this problem once via BIOS flashback, but when I tried to do that again it did not work anymore. I even tried older BIOS (1701) but that did not help either.
    Setting ProcODT to 43,6 seemed to help a bit with 3066MHz bootability but not always.

    Is it possible that a future BIOS update improves support for this RAM kit?

    This is one of the top best RAM kits out there it is a pity that it is not fully supported on the best AM4 board.

    Is there anything one can do to improve the situation with the current BIOS?

    This unpredictably changing behaviour of the board is a source of tremendous frustration!
    Last edited by dusank; 12-23-2017 at 03:40 PM.

  2. #2
    ROG Guru: White Belt Array dusank PC Specs
    dusank PC Specs
    MotherboardASUS Crosshair VI Extreme
    ProcessorAMD Ryzen 1800X
    Memory (part number)G.Skill F4-3200C14D-16GTZRX
    Graphics Card #1MSI GeForce GTX 1080 GAMING X 8GB
    MonitorSamsung SyncMaster T220
    CPU CoolerCorsair H80i v2
    CaseThermaltake Armor+
    Power SupplyCorsair HX620W
    Keyboard Razer BlackWidow Ultimate Stealth
    Mouse Razer Mamba
    Mouse Pad Razer Destructor
    OS Windows 10 Pro
    dusank's Avatar
    Join Date
    Dec 2017
    Reputation
    10
    Posts
    99

    Which settings can positively affect bootability of RAM at higher frequencies?

    I tried setting Boot DRAM Voltage to 1,5V but it did not help at all.

    Same RAM, same settings, same frequency - sometimes boots and sometimes does not ...

  3. #3
    ROG Guru: White Belt Array dusank PC Specs
    dusank PC Specs
    MotherboardASUS Crosshair VI Extreme
    ProcessorAMD Ryzen 1800X
    Memory (part number)G.Skill F4-3200C14D-16GTZRX
    Graphics Card #1MSI GeForce GTX 1080 GAMING X 8GB
    MonitorSamsung SyncMaster T220
    CPU CoolerCorsair H80i v2
    CaseThermaltake Armor+
    Power SupplyCorsair HX620W
    Keyboard Razer BlackWidow Ultimate Stealth
    Mouse Razer Mamba
    Mouse Pad Razer Destructor
    OS Windows 10 Pro
    dusank's Avatar
    Join Date
    Dec 2017
    Reputation
    10
    Posts
    99

    Talking

    I can confirm that the CPU IMC was indeed the culprit.

    I have RMAed the CPU yesterday and today got a new one. The motherboard boots up with 3200MHz DOCP without any problems and AIDA64 System Stability Test is running for 40minutes already without any issues.

    I would like to suggest that you add G.Skill F4-3200C14D-16GTZRX to your ASUS Crosshair VI Extreme QVL as I can confirm that it works with the motherboard flawlessly. (ASUS Support insisted it is not on the QVL due to the RX suffix)

    This is my first G.Skill memory (I've been buying Corsair before) and I am very satisfied with it and the motherboard!

    Thanks.

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