[ Thanks to Ross
Brunson for this link. ]
“First off, I have to admit that I lifted the xorg configuration
information that I’m about to discuss from some website, but I
don’t recall which one. If it was yours please tell me and I’ll
link it. In this article I will discuss how to get the scroll
button working in SUSE Linux Enterprise Desktop/Server.“Lenovo/IBM ThinkPads have 3 mouse buttons. You can configure
the middle button so that when you hold it down and move the
trackpoint (aka: the nub) the screen scrolls up and down…”