hi all! i have iBook G4 (1.42GHz ppc,512MB RAM, 60GB hdd, ati FireGL Mobility T2e...etc)

every works fine except my battery lasts for about an hour instead of 2,5-3 as it was in ubuntu 7.10!

for some reasons i had to uninstall ubuntu 7.10 and i decided to install 8.04!
As i remember well i installed something in 7.10 that drastic prolonged battery life!

I've tried everything i found...:
1. tried both ACPI and APM
2. installed laptop-mode-tools
3. powertop
4. tried powernowd,dyncpu,pmud,pmud-utils,pbbuttons,pommed....

but no success at all!!!Has anyone any sugestion!
thanks