I have ACPI working problem free on my T41p laptop, but I would like to go beyond mere status information and have a functioning power saving setup.
I know the processor is capable of clocking way down, and I have freq control enabled in the kernel as is necessary. Is there a daemon I can run that can dynamically clock up/down the laptop to fit usage?
Is there a utility that can spin down the HDD when it is not being used? I seem to remember reading that reiser is incapable of spinning down while mounted rw, but I'm running XFS - an fs for which I have no solid information.
Anybody else figure out how to get power saving features to work?