Apple Power Macintosh 7300 series - PC Compatibility Card - Manual (Page 131)

3 Push the DIMM into the DIMM slot until the lever snaps into the closed position.
4 Make sure the DIMM is snapped into place on both ends.
When in the closed position, the ejector
should engage the small semiround
indentation on the side of the DIMM.
Make sure the DIMM is properly seated
by pressing firmly on both ends.
Ribs (inside socket) The DIMM is designed to fit into the socket
only one way. Be sure to align the notches
in the DIMM with the small ribs inside the
socket. With the ejector in the open
position (as shown), push the DIMM
into the socket until it snaps into
place. The ejector will
automatically close.
DIMM socket
Notches
Ejector (The ejector should be pushed outward
to be in the open position, as shown.)
DIMM (The number of components and
their arrangement on your DIMM may vary.)
131 Adding Memory to Your PC Compatibility Card