 only start turning slow again
when the system temperature reaches 41 (Fan Off Temp + Temp hysteresis).

<p>In the <strong>Max Fan Speed</strong>, you specify the maximum fan speed
that the fan must turn at. The value depends on the characteristics of
the fan, and the manufacturer specifies between 6000 and 7000 RPM. You
should not exceed this value.
</li>

<li><h4>DNS-323 rev-C1, DNS-320/320L/321/325/327L rev-Ax hardware boards:</h4>

<p>The fan on these box models can only have three fan settings: off, lo