IBM Flex System x440 Compute Node Installation And Service Manual page 528

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IBM Flex System x440 Compute Node Types 7917 and 2584: Installation and Service Guide
4. Locate the DIMM connectors (see "System-board connectors" on page 16).
Determine which DIMM connector you want to install the DIMM in.
5. Touch the static-protective package that contains the DIMM to any unpainted
metal surface on the IBM Flex System chassis or any unpainted metal surface
on any other grounded rack component in the rack in which you are installing
the DIMM for at least 2 seconds; then, remove the DIMM from its package.
6. Make sure that both retaining clips on the DIMM connector are in the open
position.
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.
8. Press the DIMM into the DIMM connector. The retaining clips lock the DIMM
into the connector.
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.
Air baffles