(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)