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  1. #1
    ROG Guru: White Belt Array KotTHECat's Avatar
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    M8H Q-Fan Control not working properly with 3504 BIOS

    Hello guys.

    Today i successfully flashed the 3504 BIOS and everything works well except for the Q-Fan Control.
    It does not allow me to customize my own fan curve. For example: these are the settings i used to have on 2202 BIOS (DC mode)




    But on 3504 i cant get any lower than 60% by "CPU Fan Min. Duty Cycle (%)"




    and if i set it manually to lower than 60% it says



    P.S. Sorry, but i dont know how to spoiler in these forums.
    P.P.S. I dont want to use PWM mode.
    P.P.P.S. I have 4-pin fans

    I thought "Manual" means i can go where i want to (?)
    Last edited by KotTHECat; 07-18-2017 at 03:58 PM.
    Intel Core i7 6700K, ASUS Maximus VIII Hero, ASUS GTX 980 Strix, Kingston 2x8GB HX426C15FBK2/16, SanDisk Extreme Pro 240GB, Seagate 750GB, XFX Pro 750W, Windows 7 Ultimate

  2. #2
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    Are the 3504 BIOS officially out yet? It was my understanding they were still in the verification process.

  3. #3
    ROG Guru: White Belt Array KotTHECat's Avatar
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    Quote Originally Posted by Mac5555 View Post
    Are the 3504 BIOS officially out yet? It was my understanding they were still in the verification process.
    You are right, and i got it from here.
    Intel Core i7 6700K, ASUS Maximus VIII Hero, ASUS GTX 980 Strix, Kingston 2x8GB HX426C15FBK2/16, SanDisk Extreme Pro 240GB, Seagate 750GB, XFX Pro 750W, Windows 7 Ultimate

  4. #4
    ROG Guru: Yellow Belt Array G75rog PC Specs
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    Your 4 pin fan is a PWM (Pulse Width Modulation) device which allows fine grained speed control.
    DC control is limited as it requires a substantial amount of voltage to just get the fan turning.
    The bios is fine, you're just trying to make it work outside the design parameters.

  5. #5
    ROG Enthusiast Array KSMerg PC Specs
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    Hey. Do not change the value in the CPU Fan Min. Duty Cycle. Mistakes should not be.
    Leave what happened after the calibration

  6. #6
    ROG Guru: White Belt Array KotTHECat's Avatar
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    Guys, dont worry, i know what i am doing.
    @G75rog, i already mentioned that I DONT WANT TO USE PWM. If i am doing so, i have reasons for it, ok?
    And what do you see at first screenshot? Right, Its the curve i was able to make on 2201, but not on 3504.
    P.S. Anyway, thanks for the suggestions.
    Intel Core i7 6700K, ASUS Maximus VIII Hero, ASUS GTX 980 Strix, Kingston 2x8GB HX426C15FBK2/16, SanDisk Extreme Pro 240GB, Seagate 750GB, XFX Pro 750W, Windows 7 Ultimate

  7. #7
    ROG Guru: White Belt Array KotTHECat's Avatar
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    So, i did some tests and i would say the 3504 is not yet ready (or shouldn't be) to be flashed to SPI.
    Since I do not know whether some of the devs are reading this topic, i would not mention the bugs i discovered (yet).

    P.S. Bonus (not PS):

    [spoiler=ADD SPOILER FUNCTION PLEASE]

    [/SPOILER]

    At the same moment (while in BIOS) i got a file called "MAXIMUS-VIII-HERO-ASUS-0207.CAP" on my flash drive, which is a BIOS file with unlocked Descriptor region...
    Last edited by KotTHECat; 07-19-2017 at 10:23 PM.
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  8. #8
    ROG Guru: Orange Belt Array ondersma80 PC Specs
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    Quote Originally Posted by G75rog View Post
    Your 4 pin fan is a PWM (Pulse Width Modulation) device which allows fine grained speed control.
    DC control is limited as it requires a substantial amount of voltage to just get the fan turning.
    The bios is fine, you're just trying to make it work outside the design parameters.
    I have been experimenting with this bios for several days. This is the correct answer. Q-Fan stuff works perfectly as designed.

  9. #9
    ROG Guru: White Belt Array KotTHECat's Avatar
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    Quote Originally Posted by ondersma80 View Post
    I have been experimenting with this bios for several days. This is the correct answer. Q-Fan stuff works perfectly as designed.
    Then what's this?




    Try to set the latter to twenty on the new BIOS. What message do you get?

    P.S. That's the 2202 on screenshots.
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  10. #10
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    Hey, did you run the optimization before trying to adjust your fans ? You need to run that for your motherboard to figure out what values are valid.

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