On 2/20/06, Kevin Oberman <[EMAIL PROTECTED]> wrote: > There are many things that can help. > > First, I don't see a reason for "-a adaptive" on powerd. If you are > plugged in, why cut performance?
Often my laptop is not doing anything, so I drop the speed to minimise power consumption, and thus heat and noise. > Try "sysctl hw.acpi.cpu" and see what values you have for cx_lowest while > on battery. It should be the largest "C" value available, usually 3C43 > or C4. This is very significant. To change this, use the following in > rc.conf: > economy_cx_lowest="LOW" > This is now the default in -current, but that change has not gone into > anything else. I'll give this a go. > If you can run without USB, take it out of yo9ur kernel. It will keep > your system way to busy, even if nothing is plugged into any USB port. This might be trickier. I'll have to do some fancy shell scripting to load/unload kernel modules. Most of the time I'm on battery I'm not using any USB devices, so this should cut my power drain considerably. Dave. -- "Strange women lying in ponds distributing swords is no basis for a system of government." _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"
