Date: Sun, 13 Nov 2005 14:29:52 +0100 From: "J. Martin Petersen" <jmp.lists@alvorlig.dk> To: Miles Keaton <mileskeaton@gmail.com>, freebsd-questions@freebsd.org Subject: Re: FreeBSD 6 on Centrino laptop : how to prolong battery life with cpufreq (like est and estctrl did) Message-ID: <43773FD0.3020005@alvorlig.dk> In-Reply-To: <59b2d39b0511120800k781ac88bj5f79a75dd78f790b@mail.gmail.com> References: <59b2d39b0511111806l63c83504xc9858b31faab3d1d@mail.gmail.com> <4375D02C.3080401@alvorlig.dk> <59b2d39b0511120800k781ac88bj5f79a75dd78f790b@mail.gmail.com>
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Miles Keaton wrote:
>>Miles Keaton wrote:
>>
>>>I'm happily using FreeBSD 6 on a Centrino laptop, but wondering if
>>>anyone can explain ("for dummies") how to use the new cpufreq +
>>>SpeedStep to throttle-down my CPU usage and extend battery life - the
>>>way that sysutils/est and sysutils/estctrl used to do in FreeBSD 5?
>
> On 11/12/05, J. Martin Petersen <jmp.lists@alvorlig.dk> wrote:
>
>>I'm using powerd, it's working great.
>
> Any advice on usage? I tried it and got this error:
>
> # powerd -a minimum
> powerd: lookup freq: No such file or directory
Have you loaded the cpufreq kernel module. I'm not sure if the man-page
is verbose enough on this issue.
Cheers, Martin
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