Dell PowerEdge M420 Hardware Owner's Manual - Page 194

Installing Memory Modules WARNING: The memory modules are hot to the touch for some time after the blade has been powered down. Allow time for the memory modules to cool before handling them. Handle the memory modules by the card edges and avoid touching the components. 1 Remove the blade. See "Removing a Blade" on page 145. 2 Open the blade. See "Opening the Blade" on page 149. 3 Locate the memory module sockets. See Figure 7-12 or Figure 7-11. 4 PowerEdge M910 and M905 systems only - You must slide the system board back in the blade chassis to access memory sockets (B1-B8) and (D1-D8) for M910 and (C1-C4) and (D1-D4) for M905. See step 1 through step 8 in "Removing the System Board" on page 255. 5 Press the ejectors on the memory module socket down and out, as shown in Figure 3-20, to allow the memory module to be inserted into the socket. If a memory module blank is installed in the socket, remove it. Figure 3-20. Installing and Removing a Memory Module or Memory Module Blank 2 1 1 memory module 3 ejectors (2) 5 alignment key 3 4 5 2 edge connector 4 socket 194 Installing Blade Components