Building or Upgrading Systems - Upgrading and Repairing PCs - page 1202

in matched multiples. Consult the motherboard documentation for more information on
which sockets to use first and in what order and how to install the specific modules the
board uses.
See “ Memory Banks ,” p. 343 ( Chapter 6 ) .
Because memory modules are keyed to the sockets by a notch on the side or bottom, they
can go in only one way. Figure 19.12 shows how to install a DIMM; you can find more
detailed instructions for installing memory modules in Chapter 6 . Installing the modules
might require some force, but you must ensure that you are installing the correct modules
in the correct orientation, or you might damage the modules or sockets.
Figure 19.12 Installing the memory modules. Make sure the locking clips are open on both sides of the
module before the module is inserted into the memory socket (top). Press down on the module until the
module locking clips swing up into the locked position (bottom).