| It's a PS/2 mouse, it's connected to a PS/2 port, I get squiggles from it
| if I cat /dev/pms0, and I've got XFree86 configured to use a PS/2 mouse.
|
| What am I doing wrong?

pms(4) says:

     This driver provides an interface to a PS/2 auxiliary port mouse.  The
     driver internally converts the PS/2 mouse output into busmouse(4) proto-
     col.

so you don't want to configure it as a PS/2 mouse, but rather as a BusMouse.
Protocol "Auto" should just work, also...

	Sean.