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  1. #1
    ROG Enthusiast Array tech noob PC Specs
    tech noob PC Specs
    MotherboardMaximus VIII Hero
    Processori7 6700k OC 4.7ghz
    Memory (part number)G.Skill 3400mhz 8gb x2
    Graphics Card #1Gigabyte G1 Gaming GTX980Ti
    Storage #1Intel 750 series SSD
    CPU CoolerCorsair H110i
    CasePhanteks Pro M
    Power SupplyCorsair RM1000i
    Keyboard Razer Blackwidow Ultimate Stealth
    Mouse Corsair M65 RGB
    OS Windows 10

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    ROG Maximus Hero VIII - H115i fans wont stay full speed.

    So ive recently upgraded from a h110i gt to a h155i but for some reason the fans wont stay at 100% and always stay at minimums no matter the temps.

    Ive tried both pwm/dc modes in the bios and the h115i is plugged into the cpu_fan header on the mobo with the 2 ml140 fans into the h115i supplied headers running into the pump block.

    Also had the same problem with the standard fans that came with the unit.

    Corsair link when i first turn on the systems somtimes lets me turn the fans on max then shortly after reverts the speed to minimum even though im telling it to run full speed.


    Any suggestions would be apreciated thanks.
    4.7ghz OC

  2. #2
    Moderator Array Nate152 PC Specs
    Nate152 PC Specs
    MotherboardROG Maximus IX Code
    Processori7-7700k 5.2GHz Delidded
    Memory (part number)16GB G.Skill Trident Z 4025MHz 17-17-17-39-2T
    Graphics Card #1Titan Xp - EKFC waterblock
    Graphics Card #2Titan Xp
    Sound CardROG SupremeFX 2015
    MonitorHP ZR30w
    Storage #1Toshiba OCZ VX500 256GB
    CPU CoolerSwiftech Apogee GTZ
    CaseThermaltake Armor+ VH6000
    Power SupplyEVGA Supernova 1600w Titanium
    Keyboard Cyberpower Skorpion K2
    Mouse Razer Basilisk
    Headset Sennheiser HD6XX / Modmic 5
    OS Windows 10 Home 64 bit
    Accessory #1 Asus optical drive
    Accessory #2 Koolance ERM-2K3U
    Nate152's Avatar
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    Hi tech noob

    In corsair link try setting the fan curve to ramp up with the coolant temp.

  3. #3
    ROG Enthusiast Array tech noob PC Specs
    tech noob PC Specs
    MotherboardMaximus VIII Hero
    Processori7 6700k OC 4.7ghz
    Memory (part number)G.Skill 3400mhz 8gb x2
    Graphics Card #1Gigabyte G1 Gaming GTX980Ti
    Storage #1Intel 750 series SSD
    CPU CoolerCorsair H110i
    CasePhanteks Pro M
    Power SupplyCorsair RM1000i
    Keyboard Razer Blackwidow Ultimate Stealth
    Mouse Corsair M65 RGB
    OS Windows 10

    Join Date
    Dec 2015
    Reputation
    10
    Posts
    46

    Quote Originally Posted by Nate152 View Post
    Hi tech noob

    In corsair link try setting the fan curve to ramp up with the coolant temp.
    no it stays minimum no matter what you set them too
    4.7ghz OC

  4. #4
    Moderator Array Nate152 PC Specs
    Nate152 PC Specs
    MotherboardROG Maximus IX Code
    Processori7-7700k 5.2GHz Delidded
    Memory (part number)16GB G.Skill Trident Z 4025MHz 17-17-17-39-2T
    Graphics Card #1Titan Xp - EKFC waterblock
    Graphics Card #2Titan Xp
    Sound CardROG SupremeFX 2015
    MonitorHP ZR30w
    Storage #1Toshiba OCZ VX500 256GB
    CPU CoolerSwiftech Apogee GTZ
    CaseThermaltake Armor+ VH6000
    Power SupplyEVGA Supernova 1600w Titanium
    Keyboard Cyberpower Skorpion K2
    Mouse Razer Basilisk
    Headset Sennheiser HD6XX / Modmic 5
    OS Windows 10 Home 64 bit
    Accessory #1 Asus optical drive
    Accessory #2 Koolance ERM-2K3U
    Nate152's Avatar
    Join Date
    Feb 2013
    Reputation
    308
    Posts
    16,373

    What happens if you connect the pump to the W_Pump header and the fans to the cpu and cpu_opt headers?

    If you have a splitter you can connect the fans to the cpu fan header.

    Does this work any better?

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