Compaq dc5800 - Microtower PC Reference Manual page 132

4. Open both latches of the memory module socket (1), and insert the memory module into the socket
(2).
NOTE:
the tab on the memory socket.
A DIMM must occupy the black XMM1 socket.
For maximum performance, populate the sockets so that the memory capacity is spread as equally
as possible between Channel A and Channel B. Refer to
for more information.
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.
124 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis
A memory module can be installed in only one way. Match the notch on the module with
Populating DIMM Sockets on page 122