On Sun, 2006-12-17 at 11:17 +0000, Richard Hughes wrote: > My gut feeling is that with a modern hard-drive, it seems to save lots > of power by itself, without using hdparm. I would be interested to be > proved wrong. :-) I think it would make sense if the in-kernel disk driver did this. Optionally pm-powersave from pm-utils can do tricks until this happens. David