Re: SB1000/SB2000 now quieter

[Helge Muehlmeier <h_muehlmeier%gmx.de@localhost>]

Hi,

nice work :-)

Would it be possible to add this support for NetBSD-6, too?

Greetings,
Helge



Am 03.02.2013 13:12, schrieb Julian Coleman:
> Hi,
>
> I've added sysmon support to tda(4), the driver for the fans on the SB1000
> and SB2000 [1].  `envstat` now reports the speed-related values, for example:
>
>                  Current  CritMax  WarnMax  WarnMin  CritMin  Unit
>    [admtemp0]
>      internal:    22.000                                      degC
>      external:    60.000                                      degC
>    [admtemp1]
>      internal:    21.000                                      degC
>      external:    59.000                                      degC
>    [tda0]
>       fan.cpu:        27        0        0        0        0  none
>       fan.sys:        22        0        0        0        0  none
>
> When adding this, I noticed that the value for `fan.sys' was always 63 (full
> speed).  A bug in the speed setting logic was causing this, and that is also
> fixed with this commit.  The result is that my SB2000 is now much quieter
> than it was previously, and I can see the speeds of the fans vary with the
> temperatures.
>
> I've also added a detach routine used at shutdown time, which sets the fans
> speeds to maximum [2].  I based this on the firmware setting the fans speeds
> to maximum, as the temperatures are not being monitored.
>
> Thanks,
>
> J
>
>    [1] http://mail-index.NetBSD.org/source-changes/2013/02/02/msg041146.html
>    [2] http://mail-index.NetBSD.org/source-changes/2013/02/03/msg041167.html