"Barry Twycross" <barry@netbox.com> wrote in message news:190620032356077963%barry@netbox.com...
> In article <3EF044EF.7080601@yahoo.com.au>, Stephen Smith
> <spunk_in_ur_i@yahoo.com.au> wrote:
>
> > One reason to go for a USB2 device for people that already have USB2 is
> > that using any USB1.1 device on a USB hub will drag other devices on the
> > hub down to USB1.1 speeds.  So even if the transfer rate is not going to
> > be greater, USB2 device may be the go.
>
> ---SNIP ---
>
> Plugging a slower device has no effect on the speed of any other device
> on a USB system.
>
> If the devices are attached directly to the computer the actually
> attach to totally different busses.
>
> If the devices are attached to the same (USB 2 compliant) hub, attached
> to a USB 2 compliant host, all traffic from the host is at high speed.
> The hub actually downshifts the speed and talks to the slower device,
> independantly, and concurrently with any high speed traffic to other
> devices on the bus.
>
> No slowing down.
>


Hmmm, so USB hubs are "switching hubs" then aye?   Cool!