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 Post subject: Re: Fractal Design Define R4 build
PostPosted: Fri Aug 15, 2014 6:59 pm 
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Shame you cant get the 780 to smoothly control the Accelero's fans. I would take another look at it and see if you can fix the surging. 7v is ok but PWM control is silence heaven! If you had a vented mesh top case you could switch to a NoFan cpu cooler and eliminate 5 fans! That could be a problem because then you would hear your 1 TB platter and you would have to spend ALOT on a big SDD to replace it. Its a slippery slope..i know...i know

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 Post subject: Re: Fractal Design Define R4 build
PostPosted: Fri Aug 15, 2014 7:23 pm 
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Joined: Tue Nov 02, 2004 12:22 pm
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Well the Accelero III you couldn't, as i posted in the thread, but the Accelero IV you can control the fans, i showed the 7V on both just as a reference, and to compare it to the III, mostly i was trying to see if the fans were the same or something was done different by Arctic.

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 Post subject: Re: Fractal Design Define R4 build
PostPosted: Fri Aug 15, 2014 7:55 pm 
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ok i see now there are two different Accelero's being tested. I am wondering specifically if you can get the IV to work with the 780's onboard PWM fan control not FanExpert. I am very curious about if this will work or not as it would be the easiest "no setup needed" option.

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 Post subject: Re: Fractal Design Define R4 build
PostPosted: Fri Aug 15, 2014 8:00 pm 
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Joined: Tue Nov 02, 2004 12:22 pm
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Location: Guatemala
useful_idiot wrote:
ok i see now there are two different Accelero's being tested. I am wondering specifically if you can get the IV to work with the 780's onboard PWM fan control not FanExpert. I am very curious about if this will work or not as it would be the easiest "no setup needed" option.
The fanXpert2 graphs were as the 7v/12v test for pure showing on the difference on the acceleros, to get a graph into how the fans react to PWM singal, but the accelero IV is being ran on the GPU pwm fan header, and its being controlled by the vbios, that said its not that different from 7V, like 150rpms or so, but it does ramp up with the gpu temperature, not much though as the accelero does cool well, and gtx780 isnt a hot running gpu like past gens.

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 Post subject: Re: Fractal Design Define R4 build
PostPosted: Fri Aug 15, 2014 8:18 pm 
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Excellent! My results were the same between PWM and 7v, about 8%. Not that much as you say but it did make a nice difference in my system. Good to see similarities between different cards with Acceleros's, Thanks!

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