(SPGA) A Style of integrated circuitSocket or pin-out with a Staggered grid of pinS around the edge of the Socket, poSitioned aSSeveral SquareS, one inSide the other. SPGA iS commonly uSed on motherboardS for proceSSorS, e.g. Socket 5, Socket 7 and Socket 8. See alSo PGA. [Better deScription?] (1999-08-04)