In message <20030408154901.3c9bf8b3.ggm@apnic.net>, George Michaelson writes:
>if I switch ps/2 mice via a dock/undock, new ps/2 behaviours like being
>scrollable don't seem to be picked up.

This is quite possibly because many laptops have hardware that will filter
out the scrollwheel protocol.  The PS/2 protocol for scroll mice is an utter
monstrosity, and really *can't* reprobe on the fly; there's no way to tell.

-s