Thank you John :) I missed the forest for the trees. Your idea was very good. On Thu, 2013-03-14 at 16:13 +0000, John Murphy wrote: > Does it spin down and up again if you stay in your BIOS configuration No, if I stay in the BIOS configuration is spiny down and keeps sleeping. There's something bad with Linux :(. This should be fixed for Linux, this energy saving mode is really good, when it works as it should work. Now I wonder what does cause this issue and where to report it. Regards, Ralf _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user