Install Ubuntu on ThinkPad

Configure the red dot key

 sudo gedit /usr/lib/X11/xorg.conf.d/20-thinkpad.conf

Add the following Configuration:

 Section "InputClass"
    Identifier "Trackpoint Wheel Emulation"
    MatchProduct "TPPS/2 IBM TrackPoint|DualPoint Stick|Synaptics Inc. Composite TouchPad / TrackPoint"
    MatchDevicePath "/dev/input/event*"
    Driver "evdev"
    Option "EmulateWheel" "true"
    Option "EmulateWheelButton" "2"
    Option "Emulate3Buttons" "false"
    Option "XAxisMapping" "6 7"
    Option "YAxisMapping" "4 5"
EndSection

In ubuntu 10.10, you need to save the file as/usr/share/X11/Xorg. conf. d/20-thinkpad.conf.

 

Configure the sensitivity and speed of the red dot

 sudo gedit /etc/rc.local

Add the following Configuration:

 echo -n 250 > /sys/devices/platform/i8042/serio1/sensitivity  
echo -n 120 > /sys/devices/platform/i8042/serio1/speed

Configure Power Management

 sudo apt-get install tp-smapi-dkmssudo modprobe tp_smapi

Change the charging threshold:

Set the start charging threshold, for example, charging from 5%:

 echo 5 > /sys/devices/platform/smapi/BAT0/start_charge_thresh

Set the stop charging threshold, for example, to "100%" to stop charging:

 echo 100 > /sys/devices/platform/smapi/BAT0/stop_charge_thresh

View the charging threshold:

 cat /sys/devices/platform/smapi/BAT0/*_charge_thresh