3.Remove the DIMM from its shipping package.
4.Align the DIMM with the narrow strip (1) on its metallic contact edge toward the front of the control board, then carefully insert the DIMM in the socket. Press down firmly, until you feel the board engage the connector, then raise the white tabs to lock the DIMM in place.
5. Repeat steps 2 through 4 for each DIMM being installed.
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