For Thinkpads, here's a nice resource, which might have something in common with other brands:
https://urldefense.proofpoint.com/v2/url?u=https-3A__www.thinkwiki.org_wiki_How-5Fto-5Fconfigure-5Fthe-5FTrackPoint&d=DwIBAw&c=gRgGjJ3BkIsb5y6s49QqsA&r=gd8BzeSQcySVxr0gDWSEbN-P-pgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A&m=oyf4qwThKG8cdN67JBq11Qln4z30IXyo7MF6XiuPlVk&s=S04H-q9R2lu6O8Hwevvv0CUELpnOPzPgBbRQ3gmuccU&e= There's example xorg.conf entries down the page a bit, for example. -- Alec Habig University of Minnesota Duluth Dept. of Physics and Astronomy ha...@neutrino.d.umn.edu https://urldefense.proofpoint.com/v2/url?u=http-3A__neutrino.d.umn.edu_-7Ehabig_&d=DwIBAw&c=gRgGjJ3BkIsb5y6s49QqsA&r=gd8BzeSQcySVxr0gDWSEbN-P-pgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A&m=oyf4qwThKG8cdN67JBq11Qln4z30IXyo7MF6XiuPlVk&s=cmAW1_8eyHIVJMSNwd8vd6IA9ay44nUf0ejHGyvdRNI&e=