Re: Charging iPod / Listening to music
On Tue, Oct 30, 2007 at 06:14:49PM -0600, Nate Duehr wrote:
> On Oct 30, 2007, at 4:01 PM, Mathieu Malaterre wrote:
> > It works, I can listen to music again, but even if the cable is
> >pluged it does not seems to be charging...
>
> That makes sense. USB devices have to "request" how much power-draw
> they want to pull from the host. If you kill the "stuff" that talks
> to USB devices, they can't request power.
Then how does my USB light get power; surely it doesn't "request" enough
power to run an LED? I can also charge my Palm with the computer off;
there's nothing running to receive any "request".
Doug.
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