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  1. #1
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    Question Help with CPU, motherboard , VRM and PCH temperatures

    I purchased a used ASUS ROG Maxumus VIII Hero Alpha (seller swears it was in working condition)

    I completed the build and went into the BIOS to reset it and the CMOS.
    While there I looked into the monitor section and noticed really high motherboard and CPU temperatures.
    What bugs me is thats it is over temperature all of the probes:

    CPU - 87deg F
    Motherboard - 87deg F
    VRM - 87deg F
    PCH - 100deg F

    This was installed in a brand new setup for my daughter

    New Parts:
    NZXT case 3 large case fans
    Corsair TX650 PSU and Seasonic SS-700HM PSU
    Corsair Vengance DDR4 3000Mhz Corsair
    Coolmaster H75 and Cooler Master Hyper 212 CPU Cooler
    Arctic Silver 5 Paste
    i7-6700K and i5-6400 CPU

    Things I have tried tried:
    1. Reset BIOS and CMOS
    2. Swapped in a new working CPU from my working server CPU
    3. Swapped different kinds of DDR4 ram from my server
    4. Swapped in i5-6400 from my server
    5. Swapeded in a Cooler Master Hyper 212 cooler instead of the H75
    6. Multiple tries to reset it with Arctic silver 5 compound. when i take it off there is great coverage and no excess paste (went through a tube of it already)
    7. Re- update the BIOS to the latest version
    8. Held a large BB case fan directly onto the motherboard (did not make a difference to the temperatures)

    I keep getting the same results with different CPU's, heatsink's and parts.
    Does anyone have any additional recommendation for me before i open a case and return it?
    I plan on taking the board out again later this afternoon to install a new MSI CPU cooler when its delivered as a last effort.

    Seller is adamant that it was working fine.
    I just want to get this computer done in time for my daughters birthday on the 28th All help would be truly appreciated.

    Thank you

    Click image for larger version. 

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    Last edited by sighting; 07-08-2020 at 04:45 PM.

  2. #2
    ROG Enthusiast Array GObonzo PC Specs
    GObonzo PC Specs
    MotherboardROG Strix Z370-E Gaming
    Processori7-8700K @5GHz
    Memory (part number)G.Skill F4-3200C14D-16GTZSW
    Graphics Card #1EVGA GTX 1080 Ti FTW3 GAMING
    MonitorMSI Optix MPG341CQRV (34" 3440x1440p)
    Storage #1SSDs: 5.25TB, M.2 NVMe: 512GB
    Storage #2external - HDs: 8TB
    CPU CoolerROG Ryujin 360
    CaseFractal Design Vector RS (5x be quiet! Silent Wings 3 140mm High-Speed PWM)
    Power Supplybe quiet! DARK POWER PRO 11 750W
    Keyboard Corsair K70 LUX RGB — CHERRY® MX RGB Brown
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    Quote Originally Posted by sighting View Post
    ...What bugs me is thats it is over temperature all of the probes:

    CPU - 87deg F
    Motherboard - 87deg F
    VRM - 87deg F
    PCH - 100deg F


    I keep getting the same results with different CPU's, heatsink's and parts.
    Does anyone have any additional recommendation for me before i open a case and return it?
    I plan on taking the board out again later this afternoon to install a new MSI CPU cooler when its delivered as a last effort.

    Seller is adamant that it was working fine.
    I just want to get this computer done in time for my daughters birthday on the 28th All help would be truly appreciated....
    replacing the CPU cooler won't help if the internal thermal probes are not functioning correctly.

    though your PCH temp is pretty high @ 39°C, the others are not that bad.
    a CPU idling @ 31°C is a very good temperature.

    do you have a dedicated GPU installed? if so, what temps does it idle and max at?
    Last edited by GObonzo; 07-08-2020 at 05:30 PM.
    ASUS Strix ROG Z370-E Gaming | i7-8700K \ ASUS ROG Ryujin 360 | G. Skill Trident Z 3200 CL14 2x 8GB | EVGA FTW3 1080 Ti | be quiet! Dark Power Pro 11 750w | M.2 480GB \ SSD: 5.25TB \ HDD: 8TB | Fractal Design Vector RS \ 5x be quiet! Silent Wings 3 140mm High-Speed PWM | MSI Optix MPG341CQRV | Logitech G600 | Corsair K70 LUX RGB | Xbox One S Gamepad | Corsair Void Surround

  3. #3
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    Thank you for the reply.

    I tried them with and without a dedicated GPU. Nothing changed., (tried 980Ti and 1070)

    My other build a i7-7700k idles at 25.

    So you think its safe to install win 10 in the NVMe2 and run a stress test to see the peeks?

    *
    **
    **
    Quote Originally Posted by GObonzo View Post
    replacing the CPU cooler won't help if the internal thermal probes are not functioning correctly.

    though your PCH temp is pretty high @ 39°C, the others are not that bad.
    a CPU idling @ 31°C is a very good temperature.

    do you have a dedicated GPU installed? if so, what temps does it idle and max at?
    **

  4. #4
    ROG Enthusiast Array GObonzo PC Specs
    GObonzo PC Specs
    MotherboardROG Strix Z370-E Gaming
    Processori7-8700K @5GHz
    Memory (part number)G.Skill F4-3200C14D-16GTZSW
    Graphics Card #1EVGA GTX 1080 Ti FTW3 GAMING
    MonitorMSI Optix MPG341CQRV (34" 3440x1440p)
    Storage #1SSDs: 5.25TB, M.2 NVMe: 512GB
    Storage #2external - HDs: 8TB
    CPU CoolerROG Ryujin 360
    CaseFractal Design Vector RS (5x be quiet! Silent Wings 3 140mm High-Speed PWM)
    Power Supplybe quiet! DARK POWER PRO 11 750W
    Keyboard Corsair K70 LUX RGB — CHERRY® MX RGB Brown
    Mouse LG G600, Corsair Vengeance M95
    Headset Corsair Void Surround
    OS Win10 x64 Pro
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    Quote Originally Posted by sighting View Post
    ...I tried them with and without a dedicated GPU. Nothing changed., (tried 980Ti and 1070)

    My other build a i7-7700k idles at 25.

    So you think its safe to install win 10 in the NVMe2 and run a stress test to see the peeks?
    i ask about a dedicated GPU & it's temp only to help determine if the case itself's internal temps may be running higher than normal.

    anything below the 90s°C is still safe for the CPU. of course no one should be running that high under normal conditions, but there's no risk of damage.
    i would go ahead and set everything up and run a couple benchmarks or stress tests and see how it does.
    ASUS Strix ROG Z370-E Gaming | i7-8700K \ ASUS ROG Ryujin 360 | G. Skill Trident Z 3200 CL14 2x 8GB | EVGA FTW3 1080 Ti | be quiet! Dark Power Pro 11 750w | M.2 480GB \ SSD: 5.25TB \ HDD: 8TB | Fractal Design Vector RS \ 5x be quiet! Silent Wings 3 140mm High-Speed PWM | MSI Optix MPG341CQRV | Logitech G600 | Corsair K70 LUX RGB | Xbox One S Gamepad | Corsair Void Surround

  5. #5
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    Sorry, should have been more specific,

    The numbers was with the discreet GPU.

    *I tried it with a dedicated ones and results were the same.

    Installing now and will post back results.

    *Any specific app I should run?*
    Realbench, Prime95, passmark, CPU-z?
    Last edited by sighting; 07-08-2020 at 07:23 PM.

  6. #6
    ROG Guru: Blue Belt Array mdzcpa PC Specs
    mdzcpa PC Specs
    MotherboardMaximus Hero XI
    Processor9900k @ 5.1Ghz All Core 1.315v AVX -2
    Memory (part number)Gskill GTZ 4133 C17 32GB (4x8GB)
    Graphics Card #1ROG Strix 2080 TI OC
    Sound CardOn Board
    MonitorROG PG348Q
    Storage #1Samsung 970 Pro M.2 512GB for OS & APPS
    Storage #2Samsung 970 Pro M.2 1TB for GAMES
    CPU CoolerROG Ryujin 360
    CasePhanteks Evolv X
    Power SupplySeasonic Prime 1000W Titanium
    Keyboard Corsair K70 LUX RGB
    Mouse Corsair M65 RGB
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    Mouse Pad Corsair MM300 Wide Desk Mat
    OS WIN 10 Pro
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    Accessory #1 ROG 751JY Laptop for Moobile Gaming
    Accessory #2 Koolance EXC-800 Chiller
    Accessory #3 25+ years of overclocking

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    None of those temps look bad at all. The only oddity is that the CPU, VRM and MB temps are all the same.

  7. #7
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    Quote Originally Posted by mdzcpa View Post
    None of those temps look bad at all. The only oddity is that the CPU, VRM and MB temps are all the same.
    Good news is that it sorted.
    Not sure if it was the fact that I cleared the CMOS - I thought I did before by pressing the red button on the board but I then found the one button on the back next to the BIOS loader or if its due to me installing a 3'rd new cooler.

    I removed the H75 liquid cooler and installed a new Cooler Master Hyper 212. (3rd time the charm)
    *
    The temperatures immediately dropped to 22-23deg idle.

    I ran perf95 for a couple of hours and the max temp was 56deg but mostly hovered around 48.

    Its more inline with my other builds.
    I will chalk this up to either the proper *reset of the CMOS or just a shoddy H75 - even though it worked fine on my server.

    Anyway. thank you all*
    Last edited by sighting; 07-09-2020 at 02:36 PM.

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