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  1. #1
    ROG Member Array Enad1's Avatar
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    Turning Off/Controlling the VRM fan?

    Hi all, as the title states, I'm looking for a way to turn off or control the VRM fan on the Zenith Extreme. It's extremely loud in an otherwise silent system and it's too much to just ignore. If anyone has any information on this, that would be fantastic. I'd rather not have to take apart the whole PC, and undo the IO Shroud just to unplug some 40mm fan. Thanks!

  2. #2
    ROG Guru: Yellow Belt Array
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    Quote Originally Posted by Enad1 View Post
    Hi all, as the title states, I'm looking for a way to turn off or control the VRM fan on the Zenith Extreme. It's extremely loud in an otherwise silent system and it's too much to just ignore. If anyone has any information on this, that would be fantastic. I'd rather not have to take apart the whole PC, and undo the IO Shroud just to unplug some 40mm fan. Thanks!
    Update to one of the later UEFI versions and the fan curve is much much better :-)

  3. #3
    ROG Member Array Enad1's Avatar
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    Quote Originally Posted by Ljugtomten View Post
    Update to one of the later UEFI versions and the fan curve is much much better :-)
    Okay I'll try that, I just got the system setup so I haven't updated yet.

  4. #4
    ROG Guru: Blue Belt Array gupsterg PC Specs
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    gupsterg's Avatar
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    You could raise the lower temperature limit of COV Fan in UEFI so it came on later. So far for me 65C is working well.
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  5. #5
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    Quote Originally Posted by gupsterg View Post
    You could raise the lower temperature limit of COV Fan in UEFI so it came on later. So far for me 65C is working well.
    what does this means? can you explain me it please?
    do this means that the fan is at 0rpm until 65C and then it spin on?

    is there a way to set it silent until full cpu load?

  6. #6
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    Quote Originally Posted by sblantipodi View Post
    what does this means? can you explain me it please?
    do this means that the fan is at 0rpm until 65C and then it spin on?

    is there a way to set it silent until full cpu load?
    bumping the question.

  7. #7
    ROG Guru: Blue Belt Array gupsterg PC Specs
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    gupsterg's Avatar
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    Quote Originally Posted by gupsterg View Post
    You could raise the lower temperature limit of COV Fan in UEFI so it came on later. So far for me 65C is working well.

    Quote Originally Posted by sblantipodi View Post
    what does this means? can you explain me it please?
    do this means that the fan is at 0rpm until 65C and then it spin on?

    is there a way to set it silent until full cpu load?
    I used use the "Allow Fan Stop" feature when I posted that information. So what happens this is until the VRM reaches the "COV Fan Lower Temperature" the COV Fan (ie VRM Fan) will not start spinning.

    Now I do not use "Allow Fan Stop" feature. I still use a lowered "COV Fan Lower Temperature" from UEFI defaults, I set 60C. As I also use a lowered COV Fan Min. Duty Cycle (%) the COV fan is not noticeable for noise.

    Below is settings I have been using for COV fan for several months now.

    Click image for larger version. 

Name:	COV Fan settings.jpg 
Views:	1 
Size:	153.1 KB 
ID:	75649
    Intel Defector AMD Rebel

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  8. #8
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    Quote Originally Posted by gupsterg View Post
    I used use the "Allow Fan Stop" feature when I posted that information. So what happens this is until the VRM reaches the "COV Fan Lower Temperature" the COV Fan (ie VRM Fan) will not start spinning.

    Now I do not use "Allow Fan Stop" feature. I still use a lowered "COV Fan Lower Temperature" from UEFI defaults, I set 60C. As I also use a lowered COV Fan Min. Duty Cycle (%) the COV fan is not noticeable for noise.

    Below is settings I have been using for COV fan for several months now.

    Click image for larger version. 

Name:	COV Fan settings.jpg 
Views:	1 
Size:	153.1 KB 
ID:	75649
    thanks bro...

    I have seen that AMD is going to launch X499 on january, really in doubt if get Threadripper now or wait some months.

  9. #9
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    "newer" bios versions have the "cover" fan off until 70 degrees or so, now for some reason the ext fans are dc instead of pwm so noise is loud until I change those and fine tuning the fan curves to 50% until everything is cooking (70c) helps aswell.

  10. #10
    ROG 師傅 Array Arne Saknussemm PC Specs
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    I have to say, my fan has never once spun up...probably best to get some airflow over VRM area and then the fan wont have to come on

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