On Tue, Mar 20, 2012 at 3:41 PM, Matthias Gamsjager <mgamsja...@gmail.com> wrote: > Hi, > > my zfs nas has an Asus p5e motherboard (x38 chip) and an intel q9300 (quad > core 2,5Ghz) processor with all the energy save setting enabled in the > bios. Today I connected the power cord to a voltcraft energy meter to see > how much energy the whole system needs in idle mode. > > I found out that with powerd running the cpu get clocked down to 499 mhz > with is nice. The funny thing is that this doesn't decrease the amount of > watts the machine need. 2,5ghz or 499mhz doen't matter at all. It gets even > funnier. With powerd running the systems actually needs 4 watts more then > without powerd running. > > Isn't the whole point of powerd to to decease the energy needs of a > machine? or is it utterly broken with this cpu generation?
You probably want to check out the following article on the FreeBSD wiki: http://wiki.freebsd.org/TuningPowerConsumption The low-power states should be available to you after following the configuration guide. -Brandon _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
