HP ProDesk 400 G1 Maintenance And Service Manual page 109

4. Open both latches of the memory module socket (1), and insert the memory module into the
socket (2).
NOTE: A memory module can be installed in only one way. Match the notch on the module with
the tab on the memory socket.
For maximum performance, populate the sockets so that the memory capacity is spread as equally
as possible between Channel A and Channel B.
5.
Push the module down into the socket, ensuring that the module is fully inserted and properly
seated. Make sure the latches are in the closed position (3).
6. Repeat steps 4 and 5 to install any additional modules.
The computer should automatically recognize the additional memory the next time you turn on the
computer.
Memory
99