Patent ID: 7566229

Claim:
An electrical connector assembly comprising: an electrical connector comprising: an insulative housing holding a plurality of contacts, the insulative housing including a base having a top side, and four side walls upwardly extending from said top side of said base and commonly defining an electronic package receiving cavity; a datum protrusion located inward on at least one of said side walls and facing the electronic package receiving cavity; and a unitary reinforcing frame disposed on said insulative housing, the frame having at least one datum reinforcing piece located laterally on an outer face of the datum protrusion; wherein said frame includes at least one retention portion downwardly extending into a corresponding vertical recess which is hidden in the housing except in an upward direction, so as to allow the frame to be downwardly assembled to the housing under a condition that the retention is protectively received in the recess and the datum reinforcing piece covers the datum protrusion laterally.