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Operating Systems => Linux and UNIX => Topic started by: WMD on 14 July 2004, 21:00

Title: Linux ACPI
Post by: WMD on 14 July 2004, 21:00

I'm using Knoppix on my dad's laptop.  It loads a bunch of ACPI modules...ac-adapter, fan, thermal, battery, and whatever else.  Using /proc I can find the status of them, like the fan.
Is there some way to change those...like, for example, manually turn the fan on, or throttle the CPU?

Title: Linux ACPI
Post by: Refalm on 14 July 2004, 17:03

Do you happen to know what kernel your Knoppix version is running?

CPU fan temp/speed etc. is supported from Linux 2.6.1.

Title: Linux ACPI
Post by: WMD on 14 July 2004, 23:55

Oh, mine is running 2.4.26.  The CD comes with 2.6.6 as well, but I have to boot the laptop in framebuffer mode and I can't seem to load the 2.6 kernel in that mode.  Y'know, like:

knoppix - boot 2.4
knoppix26 - boot 2.6
fb<res> - boot framebuffer

And I can't get the fb mode to boot anything other than 2.4.  :(

Title: Linux ACPI
Post by: WMD on 21 July 2004, 01:16

I found out how to use ACPI to throttle the CPU in either 2.4 or 2.6:
http://www-lehre.inf.uos.de/~rfreund/acpi.php (http://www-lehre.inf.uos.de/~rfreund/acpi.php)

Gonna go try it. :ccol: