HOWTO : Ubuntu 8.10 on Lenovo ThinkPad X61

Ubuntu 8.10 work perfectly on Lenovo ThinkPad X61 but except the Fingerprint reader, Active Drive Protection (APS) and Trackpoint middle scroll button.
I am now going to active those outstanding features on X61.
Fingerprint reader
Step 1 :
Add the following line on /etc/apt/sources.list :
deb http://ppa.launchpad.net/jon-oberheide/ubuntu intrepid main
sudo apt-get update
sudo apt-get install thinkfinger-tools libpam-thinkfinger libthinkfinger0 hdapsd hdaps-utils
Step 2 [...]

HOWTO : Lenovo Thinkpad scroll button on Ubuntu 8.10

The scroll button on Lenovo Thinkpad cannot work under Ubuntu 8.10 but we can make it to work just create a file. We do it not on the xorg.conf but on HAL.
Step 1 :
Create a new file mouse-wheel.fdi at /etc/hal/fdi/policy :
sudo nano /etc/hal/fdi/policy/mouse-wheel.fdi
Step 2 :
Append the following lines to the file.
<match key=”info.product” string=”TPPS/2 IBM [...]