Step 5.
Carefully open the retaining clips on each end of the DIMM connector and remove the DIMM.
Attention:
To avoid breaking the retaining clips or damaging the DIMM connectors, open and
close the clips gently.
Figure 140. DIMM installation
Step 6.
Touch the static-protective package that contains the DIMM to any unpainted metal surface on the
outside of the server. Then, remove the DIMM from the package.
Step 7.
Turn the DIMM so that the alignment slot align correctly with the alignment tab.
Step 8.
Insert the DIMM into the connector by aligning the edges of the DIMM with the slots at the ends of
the DIMM connector (see “System-board optional-device connectors” on page 30 for the locations
of the DIMM connectors).
Step 9.
Firmly press the DIMM straight down into the connector by applying pressure on both ends of the
DIMM simultaneously. The retaining clips snap into the locked position when the DIMM is firmly
seated in the connector.
Note:
If there is a gap between the DIMM and the retaining clips, the DIMM has not been correctly
inserted; open the retaining clips, remove the DIMM, and then reinsert it.
Step 10. Reconnect the power cords and any cables that you removed.
Step 11. Replace the air baffle (see “Replacing the air baffle” on page 192).
Note:
Close all the retaining clips even for slots without DIMMs installed before replacing the
air baffle.
Step 12. Replace the cover (see “Replacing the cover” on page 190).
Step 13. Turn on the peripheral devices and the server.
Removing a PCI riser-card assembly
Use this information to remove a PCI riser-card assembly.
Note:
PCI riser-card brackets must be installed even if you do not install an adapter.
To remove a PCI riser-card assembly, complete the following steps:
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System x3550 M4 Installation and Service Guide
Summary of Contents for x3550 M4
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