Date: Sat, 31 May 2003 02:14:21 +0200 From: "Sebastian Yepes [ESN]" <esn@x123.info> To: Bruce Cran <bruce@cran.org.uk> Cc: freebsd-current@freebsd.org Subject: Re: ?full cpuspeed? Message-ID: <200305310214.21978.esn@x123.info> In-Reply-To: <20030530153236.GB16758@fourtytwo.brucec.backnet> References: <200305301352.16822.esn@x123.info> <20030530153236.GB16758@fourtytwo.brucec.backnet>
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So how have you solved this problem.. On Friday 30 May 2003 5:32 pm, Bruce Cran wrote: > On Fri, May 30, 2003 at 01:52:16PM +0000, Sebastian Yepes [ESN] wrote: > > Hi all i have a Dell inspiron 8500 Notebook that have SpeedStep > > when i am on AC power i just love my notebook, but when i gen on Battery > > i can't even see a dvd & and my X run verry slow.. > > > > is there and way to force fbsd to use 'hw.acpi.cpu.current_speed=8' when > > i am on battery.. by the way 'hw.acpi.cpu.current_speed' is read only.. > > > > -- sysctl -- > > > > --AC Power-- > > hw.acpi.cpu.max_speed: 8 > > hw.acpi.cpu.current_speed: 8 > > hw.acpi.cpu.performance_speed: 8 > > hw.acpi.cpu.economy_speed: 4 > > > > --Battery Power-- > > hw.acpi.cpu.max_speed: 8 > > hw.acpi.cpu.current_speed: 4 > > hw.acpi.cpu.performance_speed: 8 > > hw.acpi.cpu.economy_speed: 4 > > There are two possible problems here. If you power on on AC and switch > over to battery, you can set the hw.acpi.cpu.economy_speed to 8 to get the > full CPU speed. If you power on using battery though, Dell have made it so > you'll only ever be able to use 60% CPU speed, regardless if you later > switch to AC. For example, my 2.0GHz i8500 boots up as 1.2GHz and is > detected as such by FreeBSD. The economy_speed sysctl will then throttle > it further to 600MHz. > > -- > Bruce Cran > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" -- /* FingerPrint: 5BF1 58B1 DE75 CBE3 6044 7098 1246 1EF6 9E78 041C @@@@@@@ @@@@@@ @@@@@@@ @@! @@@ !@@ @@! @@@ @!@!@!@ !@@!! @!@ !@! !!: !!! !:! !!: !!! :: : :: ::.: : :: : : The Power To Kill LinuX */
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