Which 32-bit microprocessor is used in IBM's PS/2 model-80 computer?

The IBM Personal System/2 Model 80 (IBM 8580) enhances the System/2 family of systems by offering a new level of performance in personal computing for both commercial and compute-intensive environments. This system is highlighted by the new Micro Channel (TM) Architecture with a 16MHz 80386 32-bit microprocessor, high-density memory technology, and a wide range of integrated features.