Lenovo Thinkpad Edge 13: Windows 7 vs Ubuntu (10.04) power saving

[Ali Milis]

Ioannis Vranos wrote:

>> If I use Windows 7, I can stay more then 5 hours on a Thinkpad
>> Edge 13. But, on Ubuntu 10.04, I can only stay for about 3 hours.
>> My applications are more or less the same for Windows and Linux:
>> mostly Firefox and WiFi.

> I suppose you have enabled all the relevant options in
> Preferences::Power Management?

May I know exactly which option should I tweak?
I assume that the default settings are the optimum ones?!

thanks,

-- 
Raja Ali M.I. Ilias, Bengkalis