Re: Re: [linux-usb-devel] Fwd: USB suspending

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On Fri 2007-10-05 18:35:18, Lukas Hejtmanek wrote:
> On Fri, Oct 05, 2007 at 11:25:11AM -0400, Alan Stern wrote:
> > > But power consumption on these ports is minimal for suspended devices,
> > > so it is a bad idea.
> > 
> > Right.  Power consumption is even smaller on ports with no devices 
> > plugged in.
> 
> For example, IBM ThinkPad T60 powers off all USB ports when hcd-uhci module is
> unloaded. My ASUS M6A does not, it does not also in Windows XP though. 
> 
> I still wonder why suspended machine consumes about 2Wh in S-T-R while the IBM
> consumes about 0.2Wh.

Video card?

Leave machine sleeping for a while, then open it and search for warm
components...?
							Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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