4.Install the SIMMs in the sockets closest to the right side of the main system board first. Position each SIMM so the notch on its edge faces the front of the computer and place it on the left side of the tabs at an angle, as shown below.

5.Gently push down on the SIMM and, at the same time, guide the top of the SIMM to the right until it is vertical,

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5-24 Installing and Removing Options