[Novalug] FC6/Fan Speed

[Brandon Saxe]

I say attack all the fans with silent ones. I even
select quiet hard drives for some of my boxen.

--- Kevin Kitts <kevin.kitts at gmail.com> wrote:

> I've read nothing but good things about the Zalman
> fans - but I'm not sure
> which fan may be making the noise in this box. The
> computer is one of those
> breadbox size machines from shuttle
> (us.shuttle.com). I *think* that the
> following fans exist:
> 
> 1) CPU Fan
> 2) Power Supply Fan
> 3) Fan on the back of the case (can't recall 1,
> possibly 2 of these).
> 
> It might be possible that I'm hearing the "back of
> the case" fan and not the
> CPU fan - I'm not sure...
> 
> Kevin
> 
> On 8/31/07, Brandon Saxe <brandon20va at yahoo.com>
> wrote:
> >
> > I would recommend getting a silent CPU fan and
> power
> > supply. There are actually fanless power supplies
> out
> > there.
> >
> > Zalman makes quiet CPU fans. I actually took one
> of
> > their larger fans and zip tied it to a retail P3
> > Socket 1 chip (The retail fan is a beast, but loud
> as
> > hell). It's rigged, but works and is quiet. I used
> > mbmon on Debian to monitor temp.
> >
> > For newer chips, there are a lot of options that
> > should just work.
> >
> > If you have low power requirements, then a picoPSU
> is
> > really nice. I am running one of these in an old
> Sony
> > desktop PCV-LX800. This box used to be noisy as
> hell,
> > but now runs silent with one of these and a quiet
> CPU
> > fan. You can get picoPSU from
> http://www.mini-box.com.
> >
> > http://www.endpcnoise.com is also your friend.
> >
> >
> > --Brandon
> >
> > --- Kevin Kitts <kevin.kitts at gmail.com> wrote:
> >
> > > Hi All,
> > >   I have an nForce3 250 based AMD 3700 system
> > > running FC6. I'm using this
> > > for a MythTV setup - but it is just a little bit
> > > louder than I'd like. There
> > > is a video capture card and an nVidia 6200 LE
> > > graphics card in the machine -
> > > but *both* of those cards do not have fans -
> they
> > > have heat sinks only.
> > >
> > > In the BIOS of the machine there are various
> options
> > > for setting the fan
> > > speed. One option that looked promising
> initially
> > > was to maintain the CPU
> > > temp below a certain value - but I've
> experimented
> > > with that - and the
> > > machine just seems to go bonkers. The fan speed
> > > gradually increases and the
> > > machine eventually locks up. It is really weird
> > > behavior - because at one
> > > point I just stayed in the BIOS and watched and
> the
> > > CPU temp was not going
> > > up - I think that there is some kind of bug in
> the
> > > temp control algorithm.
> > >
> > > Another option in the BIOS was to just set the
> fan
> > > at 0, 25%, 50% - and I
> > > think the last option was "FULL". At 50% the
> machine
> > > is relatively loud -
> > > but it will run 24/7 for weeks at a time with no
> > > problem. At 25% the machine
> > > is dead quiet but the CPU temp gradually climbs
> to
> > > unsafe levels (I think
> > > that I did lock the machine up once as the CPU
> temp
> > > climbed bast 70 degrees
> > > C).
> > >
> > > Is there some way to set the fan speed at a
> fixed
> > > speed - either % of max -
> > > or even a fixed rpm? In the windows world
> there's a
> > > neat little program
> > > called "SpeedFan" that you can use to do this -
> very
> > > useful.
> > >
> > >
> > > Thanks,
> > >
> > > Kevin
> > > >
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