David Brownlee wrote:

>         I have a friend with a Microsoft IntelliMouse with two extra
>         buttons on the side (for going back and forward in IE apparently).
>         NetBSD probes it as:
>
> ums0 at uhub0 port 1 configuration 1 interface 0
> ums0: Microsoft Microsoft IntelliMouse\M-. Explorer, rev 1.10/1.21, addr 2, iclass 3/1
> ums0: 5 buttons and Z dir.
> wsmouse1 at ums0 mux 0
>
>         ... and does not seem to recognise the extra buttons (the standard
>         two plus scroll wheel work fine).
>
>         Does anyone have any idea how to pickup the extra buttons?

Do they show up as events in xev?
If they do, you should be able to map them with X resources.

    -- Lennart