On Monday 28 March 2005 11:16 am, Alan Stern wrote:

> 
> Why would the hub think that?  One obvious cause would be the device
> malfunctioning.  Another would be the hub malfunctioning.  A more likely
> alternative is electrical noise in the cable appearing to be a signal at a
> time when there should only be silence.

Or poor wiring on the root hub.   High speed devices require
different termination than full or low speed ones, and some
boards can't correctly switch between them.

- Dave


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