Compaq 159715-002 - Deskpro EN - DT 6650 Model 10000 Configuration Manual page 75

RIMM 1 and CRIMM 2
If adding Direct Rambus DRAM, you must remove the
continuity module from the socket, then insert the RIMM
into the socket.
5. Repeat step 4 for any additional modules that you want to
install.
6. Replace the computer cover.
7. If you normally lock the Smart Cover Lock, use Computer
Setup to relock the lock and enable the Smart Cover
Sensor.
The computer should automatically recognize the
additional memory the next time you power on the
computer.
Making Hardware Changes 4-15