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    ROG Guru: White Belt Array Melkor PC Specs
    Melkor PC Specs
    MotherboardMaximus VI Formula
    ProcessorIntel i7 4790K 4.7Ghz/1.28V
    Memory (part number)G.Skill TridentX 2x8GB 2400Mhz
    Graphics Card #1Asus ROG Matrix 780Ti
    Graphics Card #2Asus ROG Matrix 780Ti
    MonitorAsus VG278HE
    Storage #1Samsung EVO 850 1TB
    CPU CoolerEK Supremacy EVO
    CaseNZXT Phantom 630
    Power SupplyCorsair AX1200i
    Keyboard Razer Deathstalker Ultimate
    Mouse Razer Ouroboros
    Mouse Pad Razer Manticor
    OS Windows 8.1 64
    Network RouterAsus RT-AC66U
    Accessory #1 2x EK-FC780 GTX Ti Matrix - Nickel
    Accessory #2 2x EK-FC780 GTX Ti Matrix Backplate - Black
    Melkor's Avatar
    Join Date
    Apr 2012

    Maximus XI Hero, i9 9900K, G.Skill Trident Z RGB 3000 Mhz CL 14 2x 8GB problem


    So like in the title I have a lot of problems to run G.Skill 3000 CL 14 on this board, unfortunately they are not on Asus QVL for MXIH, only on G.Skill.

    Before posting I did a lot of research, many tips from ROG forum and other webs.

    Here's what I've been trying:

    - manual mode, XMP I and XMP II
    - all bioses from release to the newest, which I am using now, 1005 if I'm correct.
    - DRAM voltage from 1.35 to 1.50
    - VCCIO and SA voltages from standard default to even 1.4 (on auto these are at VCCIO 1.3, SA 1.25 for 3000 Mhz...)
    - increasing core voltage

    I lost about 2 weeks of my life to get this fixed and nothing, my issues are not about booting into WIndows, it boots just fine, stress tests pass, on Karhu RAM Test there are no errors, running almost 3 hours with about 15000% coverage.

    Problems starting during gaming, in example Battlefield 5 or Assassins Creed Odyssey. Games run without problems for about 20-40 mins, then just exit to desktop. Nothing is mentioned in reliability monitor or event viewer. On default 2133 everything is good, at 2666 with timing 14-14-14-34 also.

    Yesterday I realised hey what about trying other timings 15-15-15-35 at 3000 (DRAM voltage at 1.35, IO and SA at 1.10), it's working no problems.

    What do You suggest, any other ideas or just let it be this way?

    Maybe someone can post secondary/tertiary timings for this kit just to compare? F4-3000C14D-16GTZR

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