Laptop ACPI question

[Peter Schuller]

> Actually, ACPI will greatly improve battery life soon, but not yet. The
> bits and pieces are being fed into CURRENT and I suspect that SpeedStep
> support will be coming soon.

Cool! I always wondered what was "missing", since I get about 50% longer 
battery life in Windows than in FreeBSD on my laptop (T40p).

I read somewhere that someone mentioned something about PCI power save 
modes... would this be part of SpeedStep? Will SpeedStep support bring power 
consumption to the levels one gets in Windows, or is there additional power 
saving features on modern laptops that need to be supported?

(I'm asking even though it's not relevant to the original question, since you 
seem to know a lot about this stuff, and I haven't found much on this 
googling around.)

-- 
/ Peter Schuller, InfiDyne Technologies HB

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