 
    6Ć67
Replace the Serial Data Interface IC as follows:
 Using tweezers, place the beveled corner of the replacement IC
against the index spring (the original position of this index was noted
earlier).
CAUTION
         
         
 Arrange the other corners, with the tweezers, to fit evenly at the
edges of the socket.
 Set the cover flat on the IC with the cover's end tabs properly
aligned with, but not in, the mating recesses in the socket.
 Push down on the cover,keeping it flat on the IC, and slide the
cover end tabs into place. Hold it there while moving the retaining clip
over the tabs at the other end of the cover.
 Slightly pull on the cover to check that the cover is secure.
 Replace the A14 I/O board.