On 18/11/05, Clemens Ladisch <clemens@xxxxxxxxxx> wrote: > USB 2.0 uses 8000 microframes per second, but EHCI don't interrupt more often > than once per millisecond by default, so it doesn't make a difference. [and much other useful and clear information] Thanks, Clemens! I think I might just take my chances on the UR-80, so make sure your "please show the lsusb -v output for this device" keyboard macro is up and running ;-) Seriously, thanks for your input - much appreciated. - Pete.