A method and apparatus for detecting the presence of a prescribed heat exchanger, such as a catalytically active radiator, in a motor vehicle are performed during operation of the motor vehicle. Each data processor includes: a data processing core; a memory forming a local portion of a unified memory; and a global memory arbitration logic. The tube clamp is free from exposed fiber ends so than no wear is produced on a tube being clamped. The upper semiconductor package is on the encapsulant.