Installing and Replacing Desktop Board Components 
37 
 
NOTE 
Memory must be installed in the Channel A, DIMM 0 socket to enable Intel Quiet 
System Technology.   
 
To install a DIMM, follow these steps: 
1.  Observe the precautions in "
Before You Begin" on page 25.  
2.  Turn off all peripheral devices connected to the computer.  Turn off the computer 
and disconnect the AC power cord. 
3.  Remove the computer’s cover and locate the DIMM sockets (see 
Figure 17). 
 
Figure 17.  Installing a DIMM 
4.  Make sure the clips at either end of the DIMM socket(s) are pushed outward to the 
open position. 
5.  Holding the DIMM by the edges, remove it from its anti-static package. 
6.  Position the DIMM above the socket.  Align the small notch at the bottom edge of 
the DIMM with the keys in the socket (see inset in 
Figure 17).