Mark Hellman wrote: > Relevant hardware: > - Pentium M 1.6 Ghz > - ATI Mobility Radeon 9200
Anton already commented on the GFX-card possibilities > Battery Life on SuSE: 3h50 > Battery Life on Windows: 5h30 > > I was so surprised by this difference that I decided to repeat the test on > SuSE, this time switching the wireless card completely (unloaded the > module) and increasing the HD_MAX_AGE to 1800. The improvement in battery > life was just 10 minutes... Yes, in fact the Harddisk does not really consume much power if it is not actively seeking etc (judging from the data sheets) > Frequency scaling seems to be working fine since the CPU Mhz is always 600. > And the hard disk actually spins down. > > So does anyone have an explanation for this huge battery life difference? try cat /proc/acpi/processor/*/power to find out the maximum supported C-State. If it is only C2, this may be a problem with your DSDT which is worked around in Windows by specially crafted drivers. -- Stefan Seyfried \ "I didn't want to write for pay. I QA / R&D Team Mobile Devices \ wanted to be paid for what I write." SUSE LINUX Products GmbH, Nürnberg \ -- Leonard Cohen _______________________________________________ powersave-devel mailing list [email protected] http://forge.novell.com/mailman/listinfo/powersave-devel
