You can customize the TrackPoint by doing the following:
1. Click Start.
2. Move the cursor to Settings, then click on Control Panel.
3. Double-click Mouse.
The "Mouse Properties" window appears.
4. Click the TrackPoint tab.
You can set the following features in this window:
TrackPoint sensitivity
Press-to-Select
Scrolling
Magnifying Glass
Note: To use these special TrackPoint functions, you must
disconnect any PS/2 mouse and enable the
TrackPoint.
Changing TrackPoint sensitivity
46 ThinkPad i Series 1200/1300 User's Reference