Xavier <xavierfreebsdquesti...@gmail.com> wrote: > On Sat, Jan 19, 2013 at 03:13:58PM +0100, Fabian Keil wrote: > > Hi Fabian, > > > Xavier <xavierfreebsdquesti...@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 ?
acpi_ibm(4) is a kernel module that isn't loaded by default. Depending on your hardware you may have to kldload a different module. You could try: ls /boot/kernel/acpi_*.ko and then kldload the module you think makes sense for your hardware. Note that not all modules have fan control, though. As I only use IBM and Lenovo laptops I'm not familiar with the other modules. Fabian
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