[mythtv-users] Near Ultrasonic Noise - PVR150

Matt Gibson diwelf at gmail.com
Fri Aug 31 02:44:22 UTC 2007

I ended up picking up two PCI Card Fans (I was searching for the wrong
term - video card fan). I'll see how those work, otherwise I will most
likely switch to your solution. Thanks.


On 28/08/2007, Raphael <rpooser at gmail.com> wrote:
> Matt Gibson wrote:
> > Hi Guys,
> >
> > I have a weird recurring issue with my mythbox (combined
> > backend/frontend). The temperature in the box seems fine, but I get
> > this very high pitched noise coming from it every now and again. It's
> > highly irritating.
> >
> > If I listen to the back of the case, the noise sounds to come from the
> > power supply, however if I remove the case, it sounds more like it's
> > coming from the PVR150 or Nvidia Card I have in there.
> >
> > In order to stop the noise, what I have done is got a stand up floor
> > fan, and laid it down on the ground behind the server pointing
> > directly into the air vents. This seems to stop the noise.
> >
> > Has anyone else experienced this with their cards? or know if there's
> > some kind of fan that will fit in a PCI slot that I can direct down on
> > the PVR? Obviously a fan laying behind the computer isn't the most
> > elegant solution and my girlfriend is getting annoyed looking at it :)
> >
> Zalman fb123: http://www.endpcnoise.com/cgi-bin/e/std/sku=fb123
> I took away the 92mm fan that came with it and replaced it with this
> nearly inaudible fan (well, from 5 feet away it's not audible anyway):
> http://www.newegg.com/Product/Product.aspx?Item=N82E16835119072
> It's set up so that it blows over the graphics card, one pvr-150, the
> wireless card, and partially over the other pvr-150. It really worked
> wonders for bringing down the pvr 150 temps; they went form being hot to
> cool to the touch.
> Raphael
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