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 From:  "Aaron Cherman" <aaronc at morad dot ab dot ca>
 To:  <m0n0wall at lists dot m0n0 dot ch>
 Subject:  Re: [m0n0wall] Chassi fan stops when m0n0wall loads
 Date:  Thu, 28 Feb 2008 06:48:00 -0700
>I have researched this and there does not seem to be any setting for this
> in the bios. I can only see the current CPU-temp and the fan speed in the
> bios.
> The FAN-section in the manual says the following:
> "CPU Fan and System Fan: CPUFAN and SYSFAN
> The CPUFAN (CPU fan) and SYSFAN (system fan) run on +12V and maintain
> system cooling. When connecting the wire to the connectors, always be
> aware that the red wire is the Positive and should be connected to the 
> +12V.
> The black wire is Ground and should always be connected to GND.
> FAN_MCM is a switch that is used by high-quality fans to monitor the 
> system
> temperature and will automatically adjust according to the environment."
> Does this mean that it only runs based on a hidden, preset, threshold?
> I have also set a cpu and chassi max temperature threshold (powerdown if
> things get too warm I guess?) - but this should be unrelated?

Here is my simple question - if you enter the bios setup and go no further 
(no OS bootup), does the fan keep running while you are there?