The Powerbook is actually a Powerbook 5,2 not a 5,4 as I originally stated. It looks like the latest OS that can be installed is still the same (X 10.5.8) I updated the specifications link as well.

Logitech driver issues; response There seems to be a conflict between Mac OS X 10.2.5 and Logitech's version 1.1 driver for their mice and keyboards. The mice appear to work correctly, but plugging in ...

July 18, 1994: Apple ships its PowerBook 150 laptop, the company’s first truly affordable PowerBook — and the last to feature the original case design, which included a built-in trackball mouse. While ...