this is my trackpoint files on x230 with archlinux
##10-trackpoint.rules
Configure for speed and sensitivity
udev rules file under "/etc/udev/rules.d"
To find out the best speed and sensitivity for your own
try the commend first
echo 128 | sudo tee /sys/devices/platform/i8042/serio1/serio2/speed
echo 255 | sudo tee /sys/devices/platform/i8042/serio1/serio2/sensitivity
##20-trackpoint.conf
Trackpoint config file under "/etc/X11/xorg.conf.d"