Lenovo System x3650 M4 Installation And Service Manual page 70

Before you install an additional memory module, go to Table 2 "Power supply configurations" on page 9 for
detailed power supply configurations.
Step 1. Read the safety information that begins on "Safety" on page v and "Installation guidelines"
on page 34.
Step 2. Turn off the server and peripheral devices and disconnect the power cords and all external cables,
if necessary.
Step 3. Remove the cover (see "Removing the cover" on page 37).
Step 4. If PCI riser-card assembly 1 contains one or more adapters, remove riser-card assembly 1 (see
"Removing a PCI riser-card assembly" on page 37).
Figure 41. Removing PCI riser-card assembly
Step 5. Remove the air baffle (see "Removing the air baffle" on page 38).
Step 6. 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.
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Lenovo System x3650 M4 Installation and Service Guide
Air baffle
PCI riser-card
assembly 2
PCI riser-card
assembly 1