HPE Processor module (daughter board) - Includes a 90MHz processor and 1MB of cache mounted on a daughter board - Plugs into the processor (mother) board (One or two can be plugged into each processor board)
HPE HP PA-RISC processor board - 180MHz processor and 1MB X 1MB cache - Plugs into slot(s) next to the power monitor board on the front and the core I/O interface board on the rear (Four can be used)