[ltp] Aggressive Powersaving

Henrique de Moraes Holschuh linux-thinkpad@linux-thinkpad.org
Thu, 25 Feb 2010 20:09:50 -0300

On Thu, 25 Feb 2010, Karsten König wrote:
> > As for the DVD, eject the bay through sysfs (which will power it down with
> > the device still inside), and tell the kernel to put the SATA link in the
> > highest power saving mode (sysfs again).
> Ok, this is the same as the eject script right? This does indeed still save 
> 0.5W, too bad this can't be done automatically.

Well, you can tie a script to a hotkey that does the eject, at least it will
be simpler.  It will power up by itself if you press the eject button in the
DVD drive on recent thinkpads (and send a 0x3006 event through

  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh