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  1. #1
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    CH6 issue with fans getting stuck on max/high RPM bios 1401 & 1403.

    Hello,

    I did also PM this directly to @Elmor on Overclock.net.

    I seem to have some sort of bug with bios 1401, which is also present in bios 1403.

    When I benchmark my system hard, or play an intensive game my fans (both CPU fans and case fans) get stuck at whatever peak RPM they reached/max RPM.

    It also appears that it can happen at random, as I came home from work today to find my fans running at a higher than usual RPM, yet my system fully functional and working as normal. To clear the problem I have to reboot, but the issue will come back next time I do something intensive.

    Prior to 1401/1403 I never had an issue.

    I've noticed a few others have also reported this on the Overclock.net thread with the previous bios (1401).

    I reset the bios to optimized defaults both times and have also tried clearing the CMOS - this hasn't made any difference and the issue persists.

    Fan setup is as follows:
    • CPU_FAN - Y-splitter connected to 2x 140mm Noctua radiator fans.
    • CPU_OPT - Y-splitter connected to a further 2x 140mm Noctua radiator fans.
    • AIO_PUMP - My H115i header is connected to this for pump RPM readout.
    • CHA_FAN1 - Not connected.
    • CHA_FAN2 - 120mm Corsair HD120 case fan (top).
    • CHA_FAN3 - 120mm Corsair HD120 case fan (rear).

  2. #2
    ROG Member Array FredFlint PC Specs
    FredFlint PC Specs
    MotherboardC6H
    Processor1800X
    Memory (part number)G.Skill Trident Z RGB 32GB (4 x 8GB) 3200MHz C14D
    Graphics Card #1FuryX
    Storage #1Samsung SM951 256GB
    CPU CoolerH100i V2
    CasePhanteks Enthoo Evolv ATX - Silver
    Power SupplyEVGA 650W G2
    Keyboard Razer BlackWidow TE Chroma
    Mouse SteelSeries Rival 700

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    My CPU fans (2*sp120 on PWM Y splitter) would stay @100%. I had to change from PWM to DC as that’s the only thing that would stop it. I have not tried the new beta BIOS’s though, I’m on 1201.

  3. #3
    ROG Member Array bilek's Avatar
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    Question Corsair Vengeance® LPX 16GB (2x8GB) DDR4 DRAM 3200MHz C16 Memory Kit - Black (CMK16GX

    Corsair Vengeance® LPX 16GB (2x8GB) DDR4 DRAM 3200MHz C16 Memory Kit - Black (CMK16GX4M2B3200C16)

    1403 bios
    Ram did not work properly
    Value did not work when I entered
    2666 default vs 3066 mhz working
    3200 mhz not working


    1401 bios
    2666 default working
    Works properly when you enter values
    16.16.16.16.39 voltage auto 3200 mhz Stable working

  4. #4
    Tech Marketing Manager HQ Array Raja@ASUS's Avatar
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    Quote Originally Posted by Baskura View Post
    Hello,

    I did also PM this directly to @Elmor on Overclock.net.

    I seem to have some sort of bug with bios 1401, which is also present in bios 1403.

    When I benchmark my system hard, or play an intensive game my fans (both CPU fans and case fans) get stuck at whatever peak RPM they reached/max RPM.

    It also appears that it can happen at random, as I came home from work today to find my fans running at a higher than usual RPM, yet my system fully functional and working as normal. To clear the problem I have to reboot, but the issue will come back next time I do something intensive.

    Prior to 1401/1403 I never had an issue.

    I've noticed a few others have also reported this on the Overclock.net thread with the previous bios (1401).

    I reset the bios to optimized defaults both times and have also tried clearing the CMOS - this hasn't made any difference and the issue persists.

    Fan setup is as follows:
    • CPU_FAN - Y-splitter connected to 2x 140mm Noctua radiator fans.
    • CPU_OPT - Y-splitter connected to a further 2x 140mm Noctua radiator fans.
    • AIO_PUMP - My H115i header is connected to this for pump RPM readout.
    • CHA_FAN1 - Not connected.
    • CHA_FAN2 - 120mm Corsair HD120 case fan (top).
    • CHA_FAN3 - 120mm Corsair HD120 case fan (rear).
    Submit into this, please.

    https://docs.google.com/forms/d/e/1F...b684w/viewform

  5. #5
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    Quote Originally Posted by Raja@ASUS View Post
    Done!

  6. #6
    Tech Marketing Manager HQ Array Raja@ASUS's Avatar
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    Thanks!

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