How to squeeze the most of your ancient Thinkpad T20, T21, and T22 on Linux

If you’re like me, you just can’t bring yourself to get rid of a perfectly usable computer, particularly an old Thinkpad workhorse. However, in the case of my Thinkpad T21, even in Linux it is being forced into obsolescence, primarily by the graphics card (01:00.0 VGA compatible controller: S3 Graphics Ltd. 86C270-294 [SavageIX-MV] (rev 13)). […]