解決小紅點（TrackPoint）無法滾動翻頁（scrolling）的問題

如果是ubuntu 10.04
請更改 /usr/lib/X11/xorg.conf.d/20-thinkpad.conf
如果是ubuntu 10.10、11.04
請更改 /usr/share/X11/xorg.conf.d/20-thinkpad.conf
如果是chakra
請更改 /etc/X11/xorg.conf.d/20-thinkpad.conf
內容如下
Section "InputClass"
Identifier "Trackpoint Wheel Emulation"
MatchProduct "TPPS/2 IBM TrackPoint|DualPoint Stick|Synaptics Inc. Composite TouchPad / TrackPoint|ThinkPad USB Keyboard with TrackPoint|USB Trackpoint pointing device|Composite TouchPad / TrackPoint"
MatchDevicePath "/dev/input/event*"
Option "EmulateWheel" "true"
Option "EmulateWheelButton" "2"
Option "Emulate3Buttons" "false"
Option "XAxisMapping" "6 7"
Option "YAxisMapping" "4 5"
EndSection
存檔之後重開機
一切OK!!