User`s guide

2. Push the SIMM into the socket until it is seated firmly. Then
tilt it down until it is 90 degrees relative to the main system
board and clicks into place, as shown below.
3.
4.
If the SIMM does not go in smoothly, do not force it; gently
pull the retaining clips outward, remove the SIMM by its
top edge, and start again.
Repeat steps 1 and 2 to install any remaining SIMMs,
making sure you fill the sockets in the following order:
J0550, J0551, J0650, and J0651.
If you installed any 16MB or 32MB SIMMs, you must
change the settings of jumpers E0391 and/or E0392 on the
main system board. See page 6-14 for more information.
6-12 Installing and Removing Options