Lenovo Flex System x440 Compute Node Installation And Service Manual page 913

Step 6. Make sure that both retaining clips on the DIMM connector are in the open position.
Step 7. Turn the DIMM so that the DIMM keys align correctly with the DIMM connector on the system
board.
Attention: To avoid breaking the retaining clips or damaging the DIMM connector, handle the clips
gently.
Step 8. Press the DIMM into the DIMM connector. The retaining clips lock the DIMM into the connector.
Step 9. Make sure that the small tabs on the retaining clips engage the notches on the DIMM. If there is a
gap between the DIMM and the retaining clips, the DIMM has not been correctly installed. Press
the DIMM firmly into the connector, and then press the retaining clips toward the DIMM until the
tabs are fully seated. When the DIMM is correctly installed, the retaining clips are parallel to the
sides of the DIMM.
Step 10. Install the air baffle over the DIMM connector.
Attention:
• Install the air baffles with the arrow indicating air flow direction pointing to the rear of the
compute node.
• To maintain proper system cooling, do not operate the compute node without air baffles
installed over the DIMM connectors.
After you install the DIMM, complete the following steps:
Air baffles
.
Chapter 7 Installing, removing, and replacing compute node components
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