> -----Original Message-----
> From: Johannes Erdfelt [mailto:[EMAIL PROTECTED]]
>
> > I am not a USB expert -- how would builtin hubs complicate things?
>
> It's just like any other device, it would generate traffic.
> This is not
> the same as the root hub (which all HC's have are not a "real" device)
> and not all HC's have builtin hub's, but I'm seeing them more
> often now.
Right. The (internal) hub just looks like any hub -- could
be an external hub for all we know. In either case,
it is being polled frequently, probably every 128 ms,
to see if it has had any port connect/disconnect changes.
~Randy
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