Re: [PATCH] i8k: increase fan limit to 3

[Guenter Roeck]

On 05/21/2014 08:45 PM, Flavio Leitner wrote:
> On Wed, May 21, 2014 at 08:32:24PM -0700, Guenter Roeck wrote:
> > On 05/21/2014 07:19 PM, Flavio Leitner wrote:
> > > From: Flavio Leitner <fbl@xxxxxxxxxxxx>
> > >
> > > It is possible to increase left fan speed on a
> > > DELL Precision 490n system up to 3.
> > >
> > >      value    fan rpm
> > >        1      35460
> > >        2      64740
> > >        3      78510
> > Guess the speed factor 30 doesn't apply here.
>
> Those are actual rpms, not just a multiplied rpm. What I mean
> is that you can hear the fan spinning up or down and the
> temperature going up or down accordingly.
I don't think there are any fans running at 78k rpm. The real speed
is 78,510 / 30 or 2,617 rpm. You should set the fan_mult module
parameter to 1 for your system.

> But even setting it to 3 is not enough to spin at maximum
> speed. Anyway, now I can load the system without the FBDIMM
> going above 75oC.
Did you try to set higher values ?

Guenter

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