The socket and module are both keyed, which means that the DIMM can be installed only one way. With even pressure, push simultaneously on both upper corners of the DIMM until its bottom edge (the edge with the gold fingers) is firmly seated in the connector.
FIGURE 2-6 Installing a DIMM
6.Press the top edge of the DIMM toward the blade server until the retainer clips click into place in the notches on the DIMM sides (FIGURE
The small metal retainer clips on each side of the DIMM slot are
