You wrote (in your message from  7)
 > Does anyone have any experience with WinBest 4D+ mouse by A4 TECH?
 > 
 > I'v just tried it with NetBSD-1.4.1.  It worked fine on XFree86 as an
 > pmsi, but the 2nd wheel and thumb button are treaded as 1st wheel and
 > middle button.
 > 
 > It would be nice if someone already has a driver for that mouse.
 > 
 > For information about the product, see http://www.a4tech.com.tw

Unfortunatly, the X protocol has only support for 5 buttons on a
mice. One could write a XInput driver for this kind of mices, but then
you would miss support for it in applications.
-- 
					Matthieu