Date: Sat, 19 Jan 2013 17:04:36 +0100 From: Polytropon <freebsd@edvax.de> To: Xavier <xavierfreebsdquestions@gmail.com> Cc: freebsd-questions <freebsd-questions@freebsd.org> Subject: Re: laptop fan control via FreeBSD Message-ID: <20130119170436.e9dc8606.freebsd@edvax.de> In-Reply-To: <CALe6D=uH5sm-q4i5Bs0OvshSKQjAdi1uxVy0jTxNViGxB38GTg@mail.gmail.com> References: <CALe6D=tWoetB1-_h7yLuH=rju9mHuQ_y5zYvAt8kL7snX2sVow@mail.gmail.com> <20130119151358.535d6b9f@fabiankeil.de> <CALe6D=uH5sm-q4i5Bs0OvshSKQjAdi1uxVy0jTxNViGxB38GTg@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sat, 19 Jan 2013 16:55:23 +0100, Xavier wrote: > On Sat, Jan 19, 2013 at 03:13:58PM +0100, Fabian Keil wrote: > > Hi Fabian, > > > Xavier <xavierfreebsdquestions@gmail.com> wrote: > > > > > Is there any way to control the on and off the fan on a laptop using FreeBSD? > > > > It depends on the laptop. On mine it works: > > > > fk@r500 ~ $sysctl -ad | grep fan > > dev.acpi_ibm.0.fan_speed: Fan speed > > dev.acpi_ibm.0.fan_level: Fan level > > dev.acpi_ibm.0.fan: Fan enable > > > > My output of 'sysctl -ad | grep fan' don't show these parameters. Why ? > Because, my BIOS don't support these aparameters ? Another answer ? For laptops, you usually load a kernel module for interfacing with the specific ACPI functions, like acpi_ibm.ko. There are several others, but see "man acpi_ibm" for some impressions. -- Polytropon Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ...
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20130119170436.e9dc8606.freebsd>