Quickfix: TrackPoint scrolling on Thinkpad
To get TrackPoint (the red nub) scrolling in Linux on your Thinkpad, i.e. hold the middle mouse button down to activate scrolling:
Add the following to your mouse settings (i.e. Section “InputDevice”) in /etc/X11/Xorg.conf:
Option "EmulateWheel" "on"
Option "EmulateWheelButton" "2"
Option "EmulateWheelTimeOut" "1" # to disable middle click
In Firefox, do about:config and set:
mousewheel.horizscroll.withnokey.action = 0;