[GLLUG] Linux Power Management

Richard Houser rick at divinesymphony.net
Sat Jul 7 17:37:26 EDT 2007


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I mentioned it at the last meeting, but this is just a reminder for
everyone to bring their notebooks to the next meeting.  I'm be doing a
small power management workshop that should help extend battery life and
quiet down machines.

Sub-Topics:

CPU frequency scaling Using CpuFreq (speedstep, powernow, etc)
CPU Throttling
ACPI Suspend States (including software suspend with TuxOnIce)
Hard Disk power savings features
System Services (acpid, cpufreqd, laptop-mode)
LCD Backlight Controls

Nvidia GPU clock and memory scaling with nvclock
Asus platform extensions (similar support is available for others too)

For most things to be applicable, you should be running an ACPI
compliant machine with a recent 2.6 series kernel (you can check with
"uname -r".  Most machines in the last few years will fit these
requirements with a recent distro.
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