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  1. #1
    New ROGer Array
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    Oct 2018
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    CH7 - Bugged Chassis Fan Control

    Hi,

    apparently there's something wrong with the fan controller. Might be a crashing south bridge, but as it currently stands, the chassis fans sometimes either
    - completely stop
    - or are getting stuck at their lowest fan speed,
    completely at random. Heavy load, like games, seem to speed up the issue.

    The fans are bound to the T_1 sensor on the board, which is the water temperature sensor.

    I have uninstalled AI Suite completely, to minimize potential issues, and the software being somewhat questionable.
    HWInfo is running in the background, but since this only reads data, it clearly shouldn't be an issue. I'm running BIOS 2703.

    Why bringing this up?

    Because all of my radiator fans (3x and 2x 120mm respectively) are connected to the chassis fan connectors.
    The fans stop.
    I am unaware of the bug.
    At some point stuff thermal throttles... I reboot, and then the custom water loop I have -- had - blows up.
    Literally blows up.
    Pressure built up in the loop, the hot water deformed the PETG tubes, and water goes everywhere.

    Real nice!
    Any known issues in that area, ideas how to fix it without a new BIOS update?

    One more thing: it would be real nice to bind fans other than the chassis fans to different sensors. I'd like to be able to use the CPU fan header, but link it to the water temperature. Same goes for the water pump speed.

  2. #2
    ROG Guru: Yellow Belt Array andyliu PC Specs
    andyliu PC Specs
    MotherboardCrosshair VII Hero
    ProcessorAMD Ryzen 7 3700X
    Memory (part number)(32GB) 2*F4-3200C14D-16GFX
    Graphics Card #1EVGA 980 FTW
    Storage #1Samsung Evo 850 500GB
    Storage #2Mushkin Enhanced ECO3 480GB
    CPU CoolerCorsair H105
    CaseCooler Master H500M
    Power SupplyThermaltake TOUGHPOWER 750W
    Keyboard Logitech G910
    Mouse Logitech G502
    OS Windows 10 Pro
    Network RouterASUS RT-AC3100 + PCE-AC88

    Join Date
    Apr 2017
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    it's a known issue, current solutions are
    1. either use the 0002 beta bios, which is the 2703 with fan fix (best solution, I think) can be downloaded here link
    2. you can try uncheck the EC support in hwinfo
    to do it, when you launch the software, click on setting, under safety, uncheck the EC support (personally using this, haven't had issue, but still better if you just update the bios with fix)
    Last edited by andyliu; 09-17-2019 at 10:01 PM.

  3. #3
    New ROGer Array
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    Thank you!
    0002 seems to have fixed the issue for now.

    As grateful as I am, why do we need modded BIOSes on a board thats 300€+?
    ASUS really needs to get their stuff together, releasing apparently good hardware, but all software (firmware as well as their tools) are lacking for years now.

  4. #4
    ROG Guru: Yellow Belt Array andyliu PC Specs
    andyliu PC Specs
    MotherboardCrosshair VII Hero
    ProcessorAMD Ryzen 7 3700X
    Memory (part number)(32GB) 2*F4-3200C14D-16GFX
    Graphics Card #1EVGA 980 FTW
    Storage #1Samsung Evo 850 500GB
    Storage #2Mushkin Enhanced ECO3 480GB
    CPU CoolerCorsair H105
    CaseCooler Master H500M
    Power SupplyThermaltake TOUGHPOWER 750W
    Keyboard Logitech G910
    Mouse Logitech G502
    OS Windows 10 Pro
    Network RouterASUS RT-AC3100 + PCE-AC88

    Join Date
    Apr 2017
    Reputation
    14
    Posts
    168

    Quote Originally Posted by zaubara View Post
    Thank you!
    0002 seems to have fixed the issue for now.

    As grateful as I am, why do we need modded BIOSes on a board thats 300€+?
    ASUS really needs to get their stuff together, releasing apparently good hardware, but all software (firmware as well as their tools) are lacking for years now.
    0002 by Shamino isn't modded BIOS, he is actually new Asus dev for the BIOS after elmor, I believe.
    they do seem to be lacking communication lately /shrug

    my guess is that there is not much point to officially release the 0002 with older agesa right now
    hopefully they will be releasing the new bios soon or at least give us some guesstimate.
    i can be patient, but lacking communication sux

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