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  1. #1
    ROG Member Array KaRMiG PC Specs
    KaRMiG PC Specs
    MotherboardAsus ROG Rampage VI Extreme OMEGA
    ProcessorIntel Core i-9 7980XE
    Memory (part number)G-Skill TridentZ RGB (PC4-3200 CL18)
    Graphics Card #1Nvidia GeForce RTX 2080TI Founder's Edition
    Graphics Card #2Nvidia GeForce RTX 2080TI Founder's Edition
    Sound CardCreative Sound Blaster Gaming Ax-E5
    MonitorLG C8 55" OLED
    CPU CoolerNZXT Kraken X72
    CasePhanteks Enthoo Elite
    Power SupplyCorsair AX1600i
    Keyboard Roccat Vulkan 120 AIMO
    Mouse Logitech
    Headset/Speakers AlteC Lansing
    OS Windows 10 Pro 64-bit
    Network RouterNetGear Night Hawk
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    Problem with ASUS RAMPAGE VI EXTREME OMEGA: cannot detect memory

    HI:
    i'M having issues with my memory kits.
    when I use the XMP 4000, many times the system does not boot and I see "code 80 system cannot detect memory" on the status screen.
    Memory is on the qualified vendor list: G.SKILL TRIDENT Z, DDR4, F4-4000C18Q2-64GTZR PC4-3200 CL 18-19-19-39
    Another annoying thing is that If I shut the PSU off, when I turn on the PC again, it shuts off for a second then turns on again.
    I'm NOT overclocking, as the memory capacity is 4000hz by default.
    can I get some help to stop this from happening, please?
    Thanks in advance.

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    Last edited by KaRMiG; 04-27-2019 at 01:42 AM. Reason: adding images

  2. #2
    ROG Guru: Yellow Belt Array CharlieH PC Specs
    CharlieH PC Specs
    Laptop (Model)MSI GT75 TITAN-094
    MotherboardAsus Dominus Extreme
    ProcessorIntel Xeon W-3175X
    Memory (part number)128GB G.SKILL TridentZ F4-3466C16Q2-128GTZR
    Graphics Card #1ASUS ROG Strix GeForce RTX 2080 Ti ROG-STRIX-RTX2080TI-O11G-GAMING
    Graphics Card #2ASUS ROG Strix GeForce RTX 2080 Ti ROG-STRIX-RTX2080TI-O11G-GAMING
    MonitorHP LP 3065
    Storage #12x 1TB Samsung 970 PRO PCIe NVMe SSD VROC Raid 0
    Storage #22x Intel Optane SSD 900P VROC Raid 0
    CPU CoolerEK-Velocity WS - Narrow ILM
    CaseHighSpeed PC Top Desk Tech Station - HPTX
    Power SupplyCorsair AXi Series, AX1500i and AX1200i
    OS Windows 10 Pro
    Network RouterNetgear XS712T and Asus ROG Rapture GT-AX11000
    Accessory #1 ASUS ROG GeForce RTX Nvlink Bridge with Aura Sync RGB 4 Slot Graphic Cards ROG-NVLINK-4
    Accessory #2 EK-VRM ASUS ROG Dominus Extreme
    Accessory #3 2x HEATKILLER® IV for ASUS RTX 2080 Ti STRIX - ACRYL
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    To get your memory stable I suggest throwing some extra voltage to the VCCSA and VCCIO. When I am OCing (even though your not, you are technically OCing the memory as far as the CPU is concerned) to get my XMP memory stable I have to do this. Also you could try manually setting the memory clock speed down one or two settings.

    As far as the double pump at cold startup get used to it, it is a common behavior of MBs.
    Last edited by CharlieH; 04-27-2019 at 02:50 AM.

  3. #3
    ROG Guru: Brown Belt Array Hopper64 PC Specs
    Hopper64 PC Specs
    MotherboardAsus R6EO Bios 0602
    Processori9 9900X @ 4.9 1.28V VCore
    Memory (part number)GSkill F4-3600C16Q2-64GTZR
    Graphics Card #1EVGA 2080 Ti Kingpin
    Sound CardCreative SB AE7
    MonitorAsus ROG PG348Q
    Storage #1Intel 905p M.2 360G
    CPU CoolerEKWB Velocity RGB and Revo XRes 140 D5
    CasePhanteks Enthoo Elite
    Power SupplyCorsair AX1600i
    Keyboard Asus Strix Flare
    Mouse Asus ROG Gladius II Origin
    OS Windows 10 64
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    I have added 0.9700V to my VCCSA and I’m more stable now. I also added a 9900X which I think may have a better IMC than the 9800 I was using. Bumping the VCCSA likely will be needed. You should list all your hardware for review. Mine has always shutdown immediately on cold boot and comes right back up.*

  4. #4
    ROG Member Array KaRMiG PC Specs
    KaRMiG PC Specs
    MotherboardAsus ROG Rampage VI Extreme OMEGA
    ProcessorIntel Core i-9 7980XE
    Memory (part number)G-Skill TridentZ RGB (PC4-3200 CL18)
    Graphics Card #1Nvidia GeForce RTX 2080TI Founder's Edition
    Graphics Card #2Nvidia GeForce RTX 2080TI Founder's Edition
    Sound CardCreative Sound Blaster Gaming Ax-E5
    MonitorLG C8 55" OLED
    CPU CoolerNZXT Kraken X72
    CasePhanteks Enthoo Elite
    Power SupplyCorsair AX1600i
    Keyboard Roccat Vulkan 120 AIMO
    Mouse Logitech
    Headset/Speakers AlteC Lansing
    OS Windows 10 Pro 64-bit
    Network RouterNetGear Night Hawk
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    Thanks. where can I find those settings?
    I'm new to these motherboard settings.
    my actual config is this:
    Intel core i9 7980xe cpu
    64GB ram G.skill 18-19-19-39
    Asus Rog Rampage Extreme Om ega
    1TB WD Black SSD nvme
    2x Nvidia RTX 2080TI
    Sound Blaster X AE-5
    Corsair AX1600i PSU

  5. #5
    ROG Guru: Brown Belt Array Hopper64 PC Specs
    Hopper64 PC Specs
    MotherboardAsus R6EO Bios 0602
    Processori9 9900X @ 4.9 1.28V VCore
    Memory (part number)GSkill F4-3600C16Q2-64GTZR
    Graphics Card #1EVGA 2080 Ti Kingpin
    Sound CardCreative SB AE7
    MonitorAsus ROG PG348Q
    Storage #1Intel 905p M.2 360G
    CPU CoolerEKWB Velocity RGB and Revo XRes 140 D5
    CasePhanteks Enthoo Elite
    Power SupplyCorsair AX1600i
    Keyboard Asus Strix Flare
    Mouse Asus ROG Gladius II Origin
    OS Windows 10 64
    Hopper64's Avatar
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    Scroll down below the XMP settings you listed above on the same page.

  6. #6
    ROG Guru: Brown Belt Array Hopper64 PC Specs
    Hopper64 PC Specs
    MotherboardAsus R6EO Bios 0602
    Processori9 9900X @ 4.9 1.28V VCore
    Memory (part number)GSkill F4-3600C16Q2-64GTZR
    Graphics Card #1EVGA 2080 Ti Kingpin
    Sound CardCreative SB AE7
    MonitorAsus ROG PG348Q
    Storage #1Intel 905p M.2 360G
    CPU CoolerEKWB Velocity RGB and Revo XRes 140 D5
    CasePhanteks Enthoo Elite
    Power SupplyCorsair AX1600i
    Keyboard Asus Strix Flare
    Mouse Asus ROG Gladius II Origin
    OS Windows 10 64
    Hopper64's Avatar
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    Look for CPU system agent voltage. Here are some of my prior settings:

    *https://rog.asus.com/forum/showthrea...t-throw-stones

  7. #7
    ROG Enthusiast Array Deathscythes PC Specs
    Deathscythes PC Specs
    MotherboardRampage VI Extreme Omega
    ProcessorIntel Core I9-7980XE @5GHz
    Memory (part number)Trident Z RGB @3800MHz CL14
    MonitorASUS ROG PG258Q
    CPU CoolerDirect Die EK Supremacy Edge
    CasePhanteks Enthoo Elite
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    Hello,

    Keep in mind that getting a kit that's on the QVL doesn't guarantee in any way that you are going to be able to run said kit at its advertised speed and timings.
    For such speed on x299 especially on Skylake X HCC it's very likely for you to be limited by your IMC rather than by the dimms themselves not to mention that you populate all the slots.
    In my recent experience with a 7980XE and tightly overclocked ram, I have found that b die or at least my kit was extremely sensitive to heat.
    My kit is stable at 1.5V 1.27 VCCIO 3800 CL14 CR1 when maintained under 40°C .
    Prior to identifying what my issue was I wasn't even able to run 3800 CL15 with CR2.
    The thing is under prime or HCI the 18 cores running at 5GHz completely soak the PCB with heat and the dimms were reaching 60°C making them completely unstable even with a mediocre overclock.
    All of this just to say that you should pay attention to the thermals of your dimms so that you don't run into the same issues that I did.

    I hope that helps =)

  8. #8
    ROG Enthusiast Array Deathscythes PC Specs
    Deathscythes PC Specs
    MotherboardRampage VI Extreme Omega
    ProcessorIntel Core I9-7980XE @5GHz
    Memory (part number)Trident Z RGB @3800MHz CL14
    MonitorASUS ROG PG258Q
    CPU CoolerDirect Die EK Supremacy Edge
    CasePhanteks Enthoo Elite
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    If you have issues with booting, I strongly suggest you enable the training options of your memory in the bios and disable fast boots.
    That did the trick for me to boot at 4300MHz (which was unstable)

  9. #9
    ROG Member Array KaRMiG PC Specs
    KaRMiG PC Specs
    MotherboardAsus ROG Rampage VI Extreme OMEGA
    ProcessorIntel Core i-9 7980XE
    Memory (part number)G-Skill TridentZ RGB (PC4-3200 CL18)
    Graphics Card #1Nvidia GeForce RTX 2080TI Founder's Edition
    Graphics Card #2Nvidia GeForce RTX 2080TI Founder's Edition
    Sound CardCreative Sound Blaster Gaming Ax-E5
    MonitorLG C8 55" OLED
    CPU CoolerNZXT Kraken X72
    CasePhanteks Enthoo Elite
    Power SupplyCorsair AX1600i
    Keyboard Roccat Vulkan 120 AIMO
    Mouse Logitech
    Headset/Speakers AlteC Lansing
    OS Windows 10 Pro 64-bit
    Network RouterNetGear Night Hawk
    KaRMiG's Avatar
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    Thanks, guys for all the help and fast reposes. I will change my settings with your recommended ones, and I will share the results.


    EDITED: Following your advice, looks like memory is no stable and is not failed.
    voltage adjusted and fast boot disabled.
    Thank you very much for your advice, guys.
    You are the best.
    Thank you
    Last edited by KaRMiG; 04-28-2019 at 09:03 PM. Reason: updated

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