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  1. #181
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    SK Hynix is so much easyer than Samsung on 4 sticks...
    I'll post something if I'll ever success getting a stable PC with 4 sticks

  2. #182
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    Hi.

    I have a Z690 Maximus Extreme.
    It's my first build in many years so I'm not 100% familiar with all the latest stuff. I did a lot of research before I stated but somehow miss the part about the 4 dimms.

    I'm currently using Gskill Trident F5-6000U4040 4X16 (2 kits of 16gb)
    It runs perfectly stable at 4000Mgz.

    I saw in other forum that it is possible to runs stable at 5200 or 5600. But it was on Asus Hero not Extrme.

    Any advice?

    Thanks

  3. #183

  4. #184
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    Quote Originally Posted by sblantipodi View Post
    SK Hynix is so much easyer than Samsung on 4 sticks...
    I'll post something if I'll ever success getting a stable PC with 4 sticks
    I confirm that SK Hynix is the way to go for 4 sticks on Extreme board.
    With Samsung I can't run 4.4GHz C36 stable (mixed kit). even with high voltages like 1.435V.

    With SK Hynix I need less MC voltage, and with only 1.3V on VDD/VDDQ I can easily run 5.2GHz C36.

    but there is an issue that afflict both my Extreme, no matter the memory I use or the OC I use, the problem happen even with default stock settings.

    I'm pretty sure that Armoury Crate + Corsair iCue creates the "hang on boot" problem on my Asu Extreme board.


    How to reproduce.

    - Run cinebench 10 times for 30 minutes, soon or later the RAM RGB stops working, PC continue to be stable.

    - Reboot the PC, it hangs on detect memory and I need to safe boot.



    This happens only if I disable SPD Write protection.

    If I enable SPD Write protection the issue does not occur.

    It's strange that I'm the only one experiencing this problem.



    PS: I have Corsair Dominator SK Hinyx, and after a week of intense test, I can't find any instability with these kits.

    (Ram Test, TM5, memtest 86, OCCT, programming / code compiling)

  5. #185
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    Something to try : leave XPM off. Manually set the frequency to 4800 MHz. So far it is stable. With 4 sticks of Gskill 6000 cl 40.

  6. #186

  7. #187
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    Quote Originally Posted by Silent Scone@ROG View Post
    What "Improve system performance" means?
    In every benchmarks I see no improvements in system performance.

  8. #188
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    Cant OC my G.Skill (SK Hynix) 6400 MHz only to 6600 MHz

    Hi Guys, I

    read the guide with DDR5 overclocking and tried everything that works.
    The memory has an XMP profile with 6400 MHz. 6600 MHz works, but I can't go any further.

    At 6800 MHz is the end.

    I tried the following:
    VDD to 1.30v VDDQ to 1.25 v SAT at 1.25
    Can you help with that?

    About my system:
    MB: ASUS Maximus Extreme, LGA1700, BIOS version 1401
    CPU: INTEL Core i9 – 12900K
    RAM: G.Skill (SK Hynix) F5-6400J3239G16G 2x 16GB DDR5 RAM
    GPU: nvidia RTX 30990

  9. #189
    Administrator Array Silent Scone@ROG's Avatar
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    Quote Originally Posted by rog_chris83 View Post
    Hi Guys, I

    read the guide with DDR5 overclocking and tried everything that works.
    The memory has an XMP profile with 6400 MHz. 6600 MHz works, but I can't go any further.

    At 6800 MHz is the end.

    I tried the following:
    VDD to 1.30v VDDQ to 1.25 v SAT at 1.25
    Can you help with that?

    About my system:
    MB: ASUS Maximus Extreme, LGA1700, BIOS version 1401
    CPU: INTEL Core i9 – 12900K
    RAM: G.Skill (SK Hynix) F5-6400J3239G16G 2x 16GB DDR5 RAM
    GPU: nvidia RTX 30990

    Very much a how long is a piece of string question. Depends on a multitude of things, not least of all the CPU IMC strength.


    Try these values for 6800, assuming you're using the Apex.

    (Samsung IC, however)


    Click image for larger version. 

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  10. #190
    New ROGer Array jking63 PC Specs
    jking63 PC Specs
    MotherboardAsus Z690 Maximus Extreme (BIOS 1403)
    ProcessorAlder Lake i9-12900K
    Memory (part number)32GB/F5-5600U3636C16GX2-TZ5K XMP2 (error free)
    Graphics Card #1Evga 3080Ti FTW3 Ultra w/EKWB Quantum Vector
    Sound CardOnboard Realtek via SPDIF (Logitech Z625 THX)
    MonitorROG Strix XG438Q
    Storage #1Kingston KC3000 PCIe 4.0 NVMe M.2 2TB (m.2_1 Boot)
    Storage #22x WD SN850 2TB NVMe (m.2_2, m.2_3; games)
    CPU CoolerEK-Quantum Velocity˛ D-RGB - AM4 Nickel + Acetal
    CaseCorsair 7000D Airflow
    Power SupplyEVGA SuperNOVA 1600W P2
    Keyboard CORSAIR K100 RGB Optical-Mechanical
    Mouse Logitech G502 LIGHTSPEED Wireless Gaming Mouse
    Headset Corsair H70 Pro Wireless
    Mouse Pad Corsair MM350 Premium Anti-Fray
    Headset/Speakers Logitech Z625 THX
    OS Windows 11 Pro x64
    Network RouterAsus RT-AX86U w/Merlin FW
    Accessory #1 HWL 420GTS/Corsair XR5 420 Rads (2x loops)
    Accessory #2 2x EK-Quantum Kinetic TBE 300 D5 PWM D-RGB - Plexi
    Accessory #3 EK-Quantum Torque STC 12/16 - Satin Titanium w/ZMT Tubing

    Join Date
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    Any recommendations for successful XMP on the new G.Skill 6600 (F5-6600J3440G16GX2-TZ5RK)? I've tried repeatedly with various voltage settings, ala what was profiled in the OP, namely vdd, vddq, VCCSA, MC VDD, TX VDDQ to get it to run reliably on XMP but no go. My G.Skill 5600 CL36 runs error free and rock solid on my Extreme with these settings, 1.25v with VCCSA on Auto.
    Last edited by jking63; 05-16-2022 at 10:08 PM.

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