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  1. #1
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    PCH fan settetings on ROG Crosshair VIII Formula

    in the latests BIOS update 0803 there should be a optimized chipset fan profile. The new profile allows the chipset fan to stop during idle or when temperature is low. but i cant find any pch fan settetings in the UEFI menu. and q-fan does not list any pch fan.

  2. #2
    New ROGer Array RedSector73 PC Specs
    RedSector73 PC Specs
    MotherboardROG CROSSHAIR VIII HERO (WI-FI)
    ProcessorAMD Ryzen 9 3900X 12-Core Processor
    Memory (part number)PVR416G413C9K @ 3600 14-15-14-28 CR1
    Graphics Card #1Gigabyte Aorus RTX 2080 Ti Xtreme WaterForce (GV-N208TAORUSX W-11GC)
    MonitorAsus ROG Swift PG348Q
    Storage #1ADATA SX8200PNP 1TB
    Storage #22 x Samsung SSD 840 EVO 250GB
    CPU CoolerCoolermaster Liquid Pro Master 360
    CaseEVGA DG-87 Gunmetal Grey Gaming Case
    Power SupplyEVGA SuperNOVA G2 750W Gold Power
    Keyboard Corsair K95 RGB Platinum
    Mouse Corsair Gaming Sabre RGB Gaming Mouse
    Headset ARCTIS Pro Wireless
    Mouse Pad Cooler Master MP750 RGB Cloth Gaming Mouse Pad Extra Large
    OS Windows 10 64bit Pro
    Network RouterRT-AC87U

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    I would assume the change is in the bios not accessible thing to play with within the bios menu. Maybe in the future this might be the case.

  3. #3
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    but the pch fan spins with 2000-2700 rpm when vrm temp is only is 30-35 degrees

  4. #4
    New ROGer Array RedSector73 PC Specs
    RedSector73 PC Specs
    MotherboardROG CROSSHAIR VIII HERO (WI-FI)
    ProcessorAMD Ryzen 9 3900X 12-Core Processor
    Memory (part number)PVR416G413C9K @ 3600 14-15-14-28 CR1
    Graphics Card #1Gigabyte Aorus RTX 2080 Ti Xtreme WaterForce (GV-N208TAORUSX W-11GC)
    MonitorAsus ROG Swift PG348Q
    Storage #1ADATA SX8200PNP 1TB
    Storage #22 x Samsung SSD 840 EVO 250GB
    CPU CoolerCoolermaster Liquid Pro Master 360
    CaseEVGA DG-87 Gunmetal Grey Gaming Case
    Power SupplyEVGA SuperNOVA G2 750W Gold Power
    Keyboard Corsair K95 RGB Platinum
    Mouse Corsair Gaming Sabre RGB Gaming Mouse
    Headset ARCTIS Pro Wireless
    Mouse Pad Cooler Master MP750 RGB Cloth Gaming Mouse Pad Extra Large
    OS Windows 10 64bit Pro
    Network RouterRT-AC87U

    Join Date
    Apr 2018
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    enter bios
    press F6 key

    look for HAMP Fan

    Manual profile ..... and the only one with option to turn off.

    That looks like a new item to me (ROG CROSSHAIR VIII HERO (WI-FI) on 0803)

    Is that the right one.... mine buried under graphics card mounted horizontally, cant be bothered trying to find out for sure !
    Last edited by RedSector73; 09-04-2019 at 11:41 AM.

  5. #5
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    HAMP is high amperage fan. dont think that is PCH but maybe

  6. #6
    New ROGer Array RedSector73 PC Specs
    RedSector73 PC Specs
    MotherboardROG CROSSHAIR VIII HERO (WI-FI)
    ProcessorAMD Ryzen 9 3900X 12-Core Processor
    Memory (part number)PVR416G413C9K @ 3600 14-15-14-28 CR1
    Graphics Card #1Gigabyte Aorus RTX 2080 Ti Xtreme WaterForce (GV-N208TAORUSX W-11GC)
    MonitorAsus ROG Swift PG348Q
    Storage #1ADATA SX8200PNP 1TB
    Storage #22 x Samsung SSD 840 EVO 250GB
    CPU CoolerCoolermaster Liquid Pro Master 360
    CaseEVGA DG-87 Gunmetal Grey Gaming Case
    Power SupplyEVGA SuperNOVA G2 750W Gold Power
    Keyboard Corsair K95 RGB Platinum
    Mouse Corsair Gaming Sabre RGB Gaming Mouse
    Headset ARCTIS Pro Wireless
    Mouse Pad Cooler Master MP750 RGB Cloth Gaming Mouse Pad Extra Large
    OS Windows 10 64bit Pro
    Network RouterRT-AC87U

    Join Date
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    Quote Originally Posted by mrkuro View Post
    HAMP is high amperage fan. dont think that is PCH but maybe
    ok well that was my best guess. nothing else in the bios has disable the fan within the profile.
    Last edited by RedSector73; 09-04-2019 at 11:54 PM.

  7. #7
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    Quote Originally Posted by mrkuro View Post
    HAMP is high amperage fan. dont think that is PCH but maybe
    It's definitely NOT the PCH fan. It is literally a fan header that can support up to 3 amp (36w) fans. Page 1-21 in the manual covers the details of the fan headers.

    As far as I can tell, we have zero control over the PCH fan. I've hunted for the option.
    Last edited by SeeGee; 09-12-2019 at 11:35 PM.

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