In message <4018DCE5.D87EE393@bom.gov.au>, "Paul \(NCC/CS\)" writes:
>The NetBSD documentation shows that you should use "pms0"
>for this.

Probably not anymore.  What I get is:

pms0 at pckbc0 (aux slot)
wsmouse0 at pms0 mux 0

If you aren't getting that, the most likely thing is that the mouse is
disabled in the BIOS.

-s