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  1. #1
    ROG Guru: White Belt Array Catalonia PC Specs
    Catalonia PC Specs
    MotherboardAsus Rampage V Eddition 10
    Processori7 6850k Broadwell-e @ 4.3GHz
    Memory (part number)G.Skill Trident Z DDR4 3200MHz CL14 32GB 4x8GB
    Graphics Card #1Asus Strix 1080 Ti OC
    MonitorAsus ROG Swift PG279Q 165Hz G-Sync IPS
    Storage #1Samsung SM961 M.2 512GB NVME
    Storage #23TB WD RED
    CPU CoolerCorsair H150i PRO
    CaseCorsair 780T Black
    Power SupplyCorsair AX1600i
    Keyboard Corsair K95 Platinum
    Mouse Logitech G903
    Headset Audio Technica DSR9BT
    Mouse Pad Corsair MM800 Polaris RGB
    OS W10
    Network RouterAsus GT-AC5300

    Join Date
    Sep 2015
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    Fan Control in UEFI

    Hello All.

    I am trying to get rid of Asus AI Suite, as it really consumes too much memory and process and the only reason I have it running is for chassis fan control.

    I've decided to use the UEFI controls in my Asus Rampage V Edition 10. (latest available version as for today).

    I would like to ask some questions. Do you guys use PWM or DC mode? And when moving the charts, (temp and %) what is linked to? Chassis temp? CPU Temp? Package?

    Does anyone knows?

    Thank you in advance.

  2. #2
    ROG Guru: Green Belt Array haihane PC Specs
    haihane PC Specs
    MotherboardCrosshair V Formula Z
    ProcessorAMD FX 8350
    Memory (part number)Gskill F3-2400C10-8GTX
    Graphics Card #1ASUS HD 6950
    Storage #1WD Velociraptor 1TB
    Storage #2Corsair Neutron GTX 120GB SSD
    CPU CoolerCooler Master Seidon 120XL
    CaseCooler Master Silencio 650
    Power SupplyCorsair HX850
    Keyboard Corsair K70 RGB
    Mouse Logitech G500
    OS Windows 7 X64
    Network RouterLinksys E2500
    haihane's Avatar
    Join Date
    Jul 2013
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    hi,

    what i'm sure of:
    the deciding factor between PWM or DC mode in your bios settings is mainly determined by what kind of fan you have plugged into that header.
    if it's the 3 pin type, select DC mode.
    if it's the 4 pin type, select PWM mode.

    that's because, with 3 pin fan types, the speed is controlled by controlling the voltage supplied to the fan header(s). for 4 pin fan types, the speed is controlled by the fourth pin (signal) sent to the fan on how fast it should spin.


    And when moving the charts, (temp and %) what is linked to? Chassis temp? CPU Temp? Package?
    not sure:
    if memory serves me correctly, each fan settings, for example:
    mine, CPU fan header, links to CPU temperature as read by the internal sensor chip(?). whether it reads actual CPU temp, package temp, core temp, is of little importance to me.
    or simply put, i don't know lol.


    Chassis temperature, probably some sensor on the motherboard.
    no siggy, saw stuff that made me sad.

  3. #3
    ASUS HQ Service Rep Array
    Join Date
    May 2016
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    417

    as haihane lists
    Up to You Fan type while setting
    4 pin type, select PWM mode.
    3 pin type, select DC mode.
    actually You can rely on AI suite adjust the fans accordingly.

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