How long laptop battery should live ?
bruce at cran.org.uk
Wed Nov 24 11:12:14 UTC 2010
On Tue, 23 Nov 2010 23:17:37 -0600
Adam Vande More <amvandemore at gmail.com> wrote:
> IIRC, there where some improvement to HEAD while ago that increased
> FreeBSD power usage efficiecy a non-negligible amount. Perhaps those
> improvements where MFC'd already, Google around either way as there
> are settings to tune which will decrease power consumption.
In order to get those savings you need to set hw.acpi.cpu.cx_lowest to
C2 or C3.
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