[mythtv-users] OT: unplugging the fan of the grafic card
Robert Denier
denier at umr.edu
Thu Oct 13 09:13:05 UTC 2005
In general, the fan is there for a reason. If you unplug it, it might
fry. Whatever you do, never run it without a heat sink. I suppose you
could monitor the temperatures with an infrared thermometer and try to
see if normal myth usage will get it that hot.
You might also be able to find a passive heat sink that will do the job
in certain cases. directron.com? Of course modifying the card will
likely void the warranty.. Also, you may be able to find a quieter fan,
or possibly run the fan at a slightly reduced voltage. Be careful with
reduced voltages, since if you get too low the fan may not reliably
start. Obviously with a reduced voltage the fan spins less fast and you
get less cooling..
Personally, I'd look around for a card withoug a fan. For SDTV even a
Geforce 2 MX would likely work. For HDTV you might need something a
little faster, but I suspect you could still find one. The radeon 9000
I have in my myth box is decent and it has a passive heat sink, although
most people seem to prefer nvidia here, since the driver support seems
to be better, particularly if you use tv out. I suspect the 9000 is
fast enough for hdtv, but well I don't have an hdtv source yet, and my
amd xp 2000+ probably isn't anyway.
-Robert
On Thu, 2005-10-13 at 09:56 +0200, Yann Lehmann wrote:
> I am planning to build a MythTV system, and would like to install a
> NVidia grafic card for software decoding of the recorded shows.
>
> The newer cards almost always have active coolers (with fan). Does
> software decoding use the "heat producing" features of the gpu, and if
> not, can I just unplug the fan to get a silent system ?
>
> Thank's
> Yann
>
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