The main logic board in the Power Macintosh 5500 is a plug-in logic board that incorporates a PowerPC 603e microprocessor, a second-level (L2) cache expansion slot, one or two Peripheral Component Interconnect (PCI) card expansion slots, enhanced AV features (audio and video input and output), and a PCI-based communications slot (comm slot II).
General Information
CPU
PowerPC 603e microprocessor running at 175 MHz, 200 MHz, 225 MHz, and 250 MHz (later with 275MHz).