Dans sa grande sagesse, Balaji Rao a écrit, le 20.12.2006 20:09 : > also, the file cat /proc/acpi/processor/CPU1/info gives this > > processor id: 0 > acpi id: 1 > bus mastering control: yes > power management: no > throttling control: yes > limit interface: yes Indeed, that's odd. I've got yes for pm on mine... > > One more thing is that, only two frequency levels ( 1.86 and 1.6 Ghz) > are being used. This does not cause much power saving.. > > How many levels are actually available on core 2 duo? cpufreq stages from 1GHz to 2GHz via 4 steps (1.33 and 1.67 intermediate) on my T7200, can't say for your E6300. > > I cant find any PSS in the DSDT dump. Neither can I but that doesn't seem to be a problem ;-) Can't help you more with DSDT, you probably know more about it than I do, I've got a lot of rtfming to do yet... Cheers,