as every guy using unix/linux know about that X.Org is an open source implementation of the X Window System.with that you can run gnome, KDE, or others X desktop environment.
if you have a thinkpad, you also know that the thinkpad track-scroll button(some body call it tp-scroll button) is a very magical button, and with it you can scroll the content of window very easy. in windows the driver is supplied by IBM(now lenovo), but what about in X under *nix?
i got a tip to make the button work in Xorg yesterday evening: add the following lines to mouse section of your Xorg configuration file xorg.conf:
Option “EmulateWheel” “true”
Option “EmulateWheelButton” “2″
Option “YAxisMapping” “4 5″
by the way supply my configuration file(thinkpad T23), although some hardwares and font paths are different from yours.
click here to download!