Insert The Dimm Into The First Vacant Socket. - Sun Microsystems Netra T1 AC200 Installation Manual

DIMM slots
CPU fan
Inserting a DIMM into Slot 0
Figure 1-2

5. Insert the DIMM into the first vacant socket.

For illustrations of the correct insertion procedure, refer to the
diagrams labeled "Memory insertion" inside the top cover of the
system. If your system contains no DIMMs, use Slot 0 first (see
next Note box).