On Tue, 2005-06-21 at 13:35 +0100, Alan Cox wrote:
> On Maw, 2005-06-21 at 07:54, Andrew Morton wrote:
> > CONFIG_HZ for x86 and ia64: changes default HZ to 250, make HZ Kconfigurable.
> >     Will merge (will switch default to 1000 Hz later if that seems necessary)
> 
> This has been in Fedora for a while. DaveJ can probably give you more
> info. From own testing 100Hz is how far down you want to go to avoid
> random clock slew on laptops and to see power improvements.

actually 250Hz is a not so fun value. 300 is a lot nicer (multiple of
both 50Hz and 60Hz and thus covers most TV standards)