V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

PPGA
       Plastic Pin Grid Array (IC, CPU)


The Free On-line Dictionary of Computing (30 December 2018):

Plastic Pin Grid Array
PPGA

    (PPGA) The package used for certain
   Intel Celeron processors.  PPGA processors fit into
   Socket 370 motherboard sockets.

   The Plastic Pin Grid Array packaging is similar to that used
   on Pentium processors.  The silicon core is covered by a
   heat slug that faces down toward the motherboard.

   The Celeron 300A to the 533 use a PPGA package.  The Celeron
   566 onward use a FC-PGA package.

   Celeron processors are also available in Slot 1 SEPP
   packaging.

   (2000-08-26)