Figure 6-4 Installing A Dimm - Silicon Graphics Origin200 Owner's Manual

Chapter 6: Installing and Removing Memory
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Figure 6-4 shows how to insert a DIMM into its socket.
Figure 6-4 Installing a DIMM
As you lower the DIMM into its socket, press down first on one side then the
other to seat the DIMM (upper drawing).
Press straight down across the entire top to make sure the DIMM is firmly
seated. Avoid placing sideways pressure on the DIMM. The DIMM-release
lever should move upward and towards the edge of the DIMM when it is
completely seated.