1*640bdcd6SmycroftThe following parts do not yet work on VR41xx-based systems (such as the 2*640bdcd6SmycroftIBM WorkPad) as of 20000218: 3*640bdcd6Smycroft 4*640bdcd6Smycroft* brightness and contrast buttons 5*640bdcd6Smycroft* screenblank 6*640bdcd6Smycroft* power button and battery state detection 7*640bdcd6Smycroft* audio 8