(PMC) A family of low profile mezzanine cards for VMEbus, Futurebus+, desktop computers and other computer systems with logICal and electrICal layers based on the Peripheral Component Interconnect (PCI) specifICation. PMC is defined in IEEE P1386.1 and follows the {Common Mezzanine Card} (CMC) mechanICal specifICation. PCI2.0 defines a 4.2 inch by 12.3 inch board that plugs perpendICularly into a mother board. (1994-10-06)