Source : Free On-Line Dictionary of Computing

Enhanced Capabilities Port
     
         (ECP) The most common {parallel printer interface}
        on current (1997) {IBM PC} compatibles.
     
        Enhanced Capabilities Port is defined in standard IEEE 1284.
        It is bi-directional and faster than earlier parallel ports.
     
        Not to be confused with {Extended Capabilities Port}.
     
        (1997-12-01)