[mythtv-users] Do GeForce GT220s run hot? Was rebooting my system on anything above VDAPUA slim.

[Andrew C. Stadt]

  On 05/09/2010 6:19 PM, Gabe Rubin wrote:
> Hi,
>
> I put in a GeForce GT220 with 1 GB of memory (Asus ENGT220, which has
> a fan) in my new combined FE/BE.  I had one of the case fans connected
> to my motherboard, but because I could only connect one chassis fan to
> the motherboard (I also have the cpu fan plugged in and the PSU has a
> fan) and in an effort to keep the system quiet, I decided not to plug
> the other two fans to the PSU using an adapter that came with my case.
>   This would have the motherboard running at around 50C during playback
> (sensors reports that 45 is high and 75 is critical).
>
> When I tried playing back HD (but not SD video), it would reboot the
> system using VDPAU High or Normal (although it takes longer to reboot
> with Normal), but I could playback fine with VDPAU Slim.  I figured
> that the GPU is probably running hot so I opened the case and
> connected the other two fans.  The motherboard temp now seems to never
> get above 42C and averages 40C.  I can't find the temperature of the
> GPU because NVClock does not support this card.
If its causing your system to reboot, I'd suspect the power supply 
personally.
> My preference would be to not run 3 case fans, a PSU fan, and a CPU
> fan.  It seems like a lot of unneeded noise and power consumption.  I
> specifically got a sempron chip for this computer to make it run
> cooler and quieter.  At the same time, I wanted to use all the bells
> and whistles of the highest quality VDPAU playback, otherwise, I would
> have just gotten a board with a 9XXX series onborad graphics.  Can
> anyone recommend a different card that may run cooler and is the 1GB
> of memory overkill and going to run hotter than a 512MB board?  I
> realize I can replace the case fans with quieter fans, but that is not
> ideal.
>
> Another question, is there a way to slow down the fans connected
> directly to the PSU when the computer is at a lower temperature?  I
> know that there are ways to do this with fans connected to the
> motherboard, but not sure these ones.  I don't mind the fans spinning
> during playback because I can only hear them when the room is quiet.
I've taken three different approaches here in the past, of course they 
all require openning the PSU, which, at the very least voids any 
warranty, at worst kills you -  IOW follow these instructions at your 
own risk.

1. Replace the PSU fan with a Vantec stealth, almost silent.
2. Replace the PSU fan (or depending on how it was installed, cut into 
the power wires for the fan) and install a fan speed controller (there 
are some auto-temperature adjusting units out there if you don't want to 
make your own).
3. Replace the PSU with something like the 
http://www.xoxide.com/zalman-500hp-power-supply.html