IBM ThinkPad A20 and A22 documentation in a 2.82 MB RAR archive, covering two models of the early A-series line.

IBM ThinkPad X30 and X32 documentation compressed into a 4.40 MB RAR file, whose size suggests a fuller schematic set or a service manual.

A 3.25 MB RAR collection for IBM ThinkPad A30 and A31 laptops, two closely related models from the same series.