Am Sonntag, 19. November 2006 15:12 schrieb Christoph Pittracher:
> Hmm... if I think about that, I'm not sure if the MaxPower value 
> reported by the devices changes any hardware setting.
> Is MaxPower just a reported value or does it change the maximum power a 
> device actually can draw on the connected port?
> 
> Is it possible to draw the full 500mA of the port even if the MaxPower 
> value is way below this value? Or does the MaxPower value limit the 
> current flow in hardware?

MaxPower influences just which configuration would be selected.

A device can physically draw as much power as its hub's overcurrent
protection allows.

        Regards
                Oliver

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