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  1. #1
    ROG Member Array terragady PC Specs
    terragady PC Specs
    MotherboardZ370-F
    Processori7 8700
    Memory (part number)Corsair 3000Mhz 32GB
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    Setting up i7 8700 (non K)

    Hey,

    I just built my new PC and bought a 8700 CPU with Z370-F mobo. Can you help me how to set it up in the BIOS(UEFI)? I have a good liquid cooling Corsair H115i which keeps the temp quite low. I have set BCLK to 102.5 which boosted a bit a highest clock. I am wondering now if I can somehow increase the power limit in the BIOS(UEFI)? It cuts power to 65W after some time and the frequency drops to 3.2GHz and then the temps keep at around 50C.
    I saw an option to change it in XTU but maybe it is better to do it directly at UEFI?

    I know there is not much I can change with the non K version but still few settings can be change, can you share your settings? I do not want to leave everything to AUTO.

  2. #2
    ROG Guru: Yellow Belt Array Ch3vr0n PC Specs
    Ch3vr0n PC Specs
    MotherboardAsus Maximus XI Formula
    ProcessorCore i9 9900k @ 4.7GHZ (XMP)
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    Ch3vr0n's Avatar
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    What you're doing by modifying the BCLK is overclocking, you got the wrong processor period. Keep doing what you're doing and you're essentially at risk to permanently damage both your motherboard and cpu. You need to stop, now.

  3. #3
    ROG Member Array terragady PC Specs
    terragady PC Specs
    MotherboardZ370-F
    Processori7 8700
    Memory (part number)Corsair 3000Mhz 32GB
    Graphics Card #1Strix 1080TI OC
    Storage #1NVMe SSD PC961 512GB
    Storage #2HDD 2T seagate 7200
    CPU CoolerHDD 1T WD 5200
    CaseCorsair Carbide 400C
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    Why is that? I only have locked multiplier but other stuff is durable and the power limits are only a matter of cooling which I have provided. I just want to improve a "turbo boost" which turns off after short time due to power limitation.

  4. #4
    ROG Guru: Yellow Belt Array Ch3vr0n PC Specs
    Ch3vr0n PC Specs
    MotherboardAsus Maximus XI Formula
    ProcessorCore i9 9900k @ 4.7GHZ (XMP)
    Memory (part number)CMD16GX4M4B3200C16-ROG
    Graphics Card #1Asus Strix GTX 1080 A8G
    Sound Cardon board
    MonitorASUS VG278HR & ASUS VK278Q
    Storage #1Samsung 960 Pro 512 GB & 970 EVO 2TB
    Storage #23X HGST 10TB, 1x HGST 4TB
    CPU CoolerScythe Mugen 5 PCGH
    CaseCooler Master Cosmos II
    Power SupplyCorsair AX860i
    Keyboard Corsair k95 RGB Platinum
    Mouse Corsair M65Pro RGB
    Headset Corsair Voide Wireless SE
    Mouse Pad Corsair MM300
    Headset/Speakers Logitech Z-906
    OS Windows 10 Pro x64
    Network RouterNetgear XR500
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    Ch3vr0n's Avatar
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    cause it's a non-overclockable processor and you're trying to overclock it. You do the math

  5. #5
    ROG Guru: Green Belt Array panzlock PC Specs
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    I'd like to deploy my troops in her country.

  6. #6
    ROG Member Array terragady PC Specs
    terragady PC Specs
    MotherboardZ370-F
    Processori7 8700
    Memory (part number)Corsair 3000Mhz 32GB
    Graphics Card #1Strix 1080TI OC
    Storage #1NVMe SSD PC961 512GB
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    Quote Originally Posted by Ch3vr0n View Post
    cause it's a non-overclockable processor and you're trying to overclock it. You do the math
    yeah but the K stands for unlocked multiplier mostly (slightly higher base clock but that's nothing), I did not touch multiplier only BCLK and very slightly.
    My question was more about those power limitations after some time of full load. It is reduced to 95W after some seconds and then to 65W after like 30sec.

  7. #7
    ROG Member Array terragady PC Specs
    terragady PC Specs
    MotherboardZ370-F
    Processori7 8700
    Memory (part number)Corsair 3000Mhz 32GB
    Graphics Card #1Strix 1080TI OC
    Storage #1NVMe SSD PC961 512GB
    Storage #2HDD 2T seagate 7200
    CPU CoolerHDD 1T WD 5200
    CaseCorsair Carbide 400C
    Power SupplyCorsair RM1000i
    OS Windows 10 Pro

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    OK I did give more TB power (to 90W) and short power max to 160W with longer time period, now it do not Power Throttle and stays at the boost clock of 4.4GHz all the time, temp is around 60 (package temp, it jumps all the time 53-67C)

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