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Flow Control - Max Fan Speed at 60C

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hkuspc40
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2019/02/21 15:07:18 (permalink)
So I posted this in the software forum but got no response so I'll try over here... Is there a way to change the upper limit for cpu temperature in flow control? I don't need my fans at maximum when the processor is at 60c. An overclocked 9th gen processor is over 60c all the time... The "coolant temp" fan curve is useless... I don't even know why they bothered with that.  Any help would be appreciated...
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    Cool GTX
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    Re: Flow Control - Max Fan Speed at 60C 2019/02/21 15:30:35 (permalink)
    Welcome to the Forums

    I'm not sure why your software settings are not working
     
    You could plug the fans in to the MB directly - use the MB / CPU Temp to control them
     
    What OS - with details ?
     
    Which version of the software ?
     
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    hkuspc40
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    Re: Flow Control - Max Fan Speed at 60C 2019/02/21 15:44:52 (permalink)
    I thought about the motherboard route but that would require a splitter I'd need to pick up and tearing apart the top of my build (mini-ITX it's tight in there). The software is working fine, I believe, but I can't grab the upper limit "dot" on the fan curve at 60c. 
     
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    #3
    hkuspc40
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    Re: Flow Control - Max Fan Speed at 60C 2019/02/21 15:58:01 (permalink)
    Marked the dot with an arrow...

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    #4
    Cool GTX
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    Re: Flow Control - Max Fan Speed at 60C 2019/02/21 16:02:16 (permalink)
    mini-ITX - that makes it tight for sure
     
    Is the CLC Intake
     
    What other fans are in the case ?  Blowing In or Out

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    hkuspc40
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    Re: Flow Control - Max Fan Speed at 60C 2019/02/21 16:15:19 (permalink)
    Yes CLC is setup as intake with Cougar Fans and blower card setup as exhaust.  See pic.

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    Cool GTX
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    Re: Flow Control - Max Fan Speed at 60C 2019/02/21 17:20:22 (permalink)
    lower right side of software "Fan Icon" word "Curve" is below it - click on it to open & set Custom Fan Curve
     
     
    https://www.evga.com/products/pdf/400-HY-CL24-V1.pdf
     

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    hkuspc40
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    Re: Flow Control - Max Fan Speed at 60C 2019/02/21 17:30:46 (permalink)
    Yeah that's where the image came from.  The "custom fan curve" is locked at 60c to 100% fans. None of the points will allow me to set a fan speed lower than 100% past 60c.
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    Cool GTX
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    Re: Flow Control - Max Fan Speed at 60C 2019/02/21 17:41:52 (permalink)
    I'm running ver 2.08 on my AIO Folding Rig in my signature
     
    Did you try double clicking said marker ?
     
    You Must make all lower changes, from left to right --> (you can not go below the previous set point)
    (if I remember correctly - been months since I changed mine)
     
    Might want to try 2.08
     
    I do not see the picture in Post #4

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    hkuspc40
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    Re: Flow Control - Max Fan Speed at 60C 2019/02/21 17:47:44 (permalink)
    I've tried everything to no avail.  Are you able to change the last set point in 2.08?
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    Cool GTX
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    Re: Flow Control - Max Fan Speed at 60C 2019/02/21 17:49:44 (permalink)
    I'll go check now
     
    Its in another room

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    Cool GTX
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    Re: Flow Control - Max Fan Speed at 60C 2019/02/21 17:57:29 (permalink)
    Dang .....
    I can go to 100% before 60C ---> but not after 60C - On both the fan & pump
     
    My CPU is 45 -53 C & I never noticed this before
     

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    hkuspc40
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    Re: Flow Control - Max Fan Speed at 60C 2019/02/21 18:31:26 (permalink)
    Rough :(  My temps are fine at idle but under load I'm above 60c here and there. I hit 95c when running prime95 at 5.0ghz and, yeah, I needed 100% fans there lol.
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    hkuspc40
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    Re: Flow Control - Max Fan Speed at 60C 2019/02/21 18:33:26 (permalink)
    I don't really understand why the decision was made to do that.  I can see a minimum to prevent damaging the fans but you should be able to set the upper limits to whatever you want.
     
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    Cool GTX
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    Re: Flow Control - Max Fan Speed at 60C 2019/02/21 18:41:57 (permalink)
    Seems like a "Bug" more than a "Design Feature"
     
    I'll bring it up to the person that may be able to see if/when the next rev of the software - this can be addresses
     
    Wish I had better News
     
     
     
     

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    hkuspc40
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    Re: Flow Control - Max Fan Speed at 60C 2019/02/21 18:48:56 (permalink)
    Really appreciate the feedback. It's a little surprising to me that no one noticed that... ;)
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    Cool GTX
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    Re: Flow Control - Max Fan Speed at 60C 2019/02/21 18:51:35 (permalink)
    PM has been set to EVGA
     
    Hope to hear back in the next several days - if this can be changed
     
    Plan B: splitter or Fan hub to MB
     
    Note: I see you photo now in post #4

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    Cordorb
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    Re: Flow Control - Max Fan Speed at 60C 2019/02/26 20:33:40 (permalink)
    I would guess most of us just use the water temp curve and have pump at 90  or 100 percent
     
    can't you still get almost of what you want as a work around just using the water curve ?
     
    I don't think the early version of this software even had CPU temp ?
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    hkuspc40
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    Re: Flow Control - Max Fan Speed at 60C 2019/02/26 20:55:25 (permalink)
    The coolant curve is literally pointless for two reasons.  1) There is a lot of lag from the temperature of the cpu to the temp of the coolant. Your cpu may be screaming at a 100c instantly but the coolant hasn't heated up yet. Thus your fans would still be sitting idle when you need to be cooling the coolant as quickly as possible.  2) The scale on the coolant curve doesn't make sense.  The coolant temp changes by single degrees not 10 degrees.  You'd never be able to set it accurately. If the scale were set at single digits it would be more useful but still pointless because of reason one.
     
    Perhaps the EVGA engineers disagree but I couldn't come up with a reason why (and I'm an engineer).
     
    Edit: My guess is this really didn't matter until the 9th gen Intel CPUs came out as previous generations of processors wouldn't get so hot. My 4790k overclocked wouldn't ever get over 65c.  I can get this 9600k at 95c pretty easily and I'm using Noctua 3000 rpm fans on the radiator.  Some reviews I've read haven't been able to keep the new 9th gens cool with AIOs (with an overclock). This is the same reason I replaced the stock fans with those beasts from Noctua. :)
    post edited by hkuspc40 - 2019/02/26 21:03:01
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    coolmistry
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    Re: Flow Control - Max Fan Speed at 60C 2019/02/27 00:48:58 (permalink)
    hkuspc40
    So I posted this in the software forum but got no response so I'll try over here... Is there a way to change the upper limit for cpu temperature in flow control? I don't need my fans at maximum when the processor is at 60c. An overclocked 9th gen processor is over 60c all the time... The "coolant temp" fan curve is useless... I don't even know why they bothered with that.  Any help would be appreciated...


    I got same problem as my one!! I have change the PMW fans which is much better but....have a look my post #19 as no one say why about the fan full speed at 60'c.... It have been over years...

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    Cordorb
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    Re: Flow Control - Max Fan Speed at 60C 2019/03/02 14:43:44 (permalink)
    You still have  the thermal mass of the system and the water and pumps to handle start up CPU heat.
    so there is conduction  and radiation cooling then convection with the fans kicking in.
     
    MY first engineering job was to run 1000 amp at 600 volt  into a set of hockey puck size SILICON CONTROLLED RECTIFIER and air cool the system.  Thermodynamics was not covered in my engineering classes :-(    so a few $500 parts did bite the dust.
     
    #21
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