Anton Farygin wrote:

> Also, if driver is radeon, then may be help this option in xorg.conf:
>        Option "DynamicClocks" "boolean"
>               Enable  dynamic  clock  scaling.   The on-chip clocks will
>               scale
>               dynamically based on  usage.  This  can  help  reduce  heat 
>               and
>               increase  battery  life  by  reducing  power  usage.  Some
>               users
>               report reduced 3D preformance with this enabled.  The
>               default is off.

A tried your suggestion, but there was hardly any battery life improvement
in the type of experiment I have done.

I made the same experiment on another laptop (Intel Celeron based), and the
battery life of Windows XP and SuSE 9.3 was exacly the same. So the
discrepancy I measured on the Pentium M laptop remains a mistery to me...


Mark

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