[Frank Adams] liked the keyboard on his Lenovo ThinkPad T61 so much that he decided to design an adapter so he could use it over USB with the Teensy microcontroller. He got the Trackpoint working ...
Until [rampadc] came along, that is. [Rampadc]’s keyboard adapter is built for the ThinkPad T60 keyboard, which is shared between the Lenovo T60, T61, Z60, Z61, R400, R500, T400, T500 ...
along with the famous ThinkPad keyboard. Current T-series models include 14- and 16-inch notebooks, which have replaced the 13- and 15-inch models of old. Some configurations feature an "s" suffix ...
I've heard ThinkPad keyboards referred to as the Cadillac of keyboards, and I think that's an acceptable description. There is, however, a TrackPoint right smack in the middle of the keyboard ...