Lenovo ThinkServer RD220 3797 Series Installation And User Manual page 79

1. Read the safety information that begins on page vii and "Installation guidelines"
on page 33.
2. Turn off the server and peripheral devices and disconnect all power cords and
external cables.
3. Slide the server out of the rack.
4. Remove the cover (see "Removing the cover" on page 37).
5. If riser-card assembly 1 contains one or more adapters, remove it (see
"Removing a PCI riser-card assembly" on page 42).
6. Remove the air baffle over the DIMMs (see "Removing the DIMM air baffle" on
page 52).
Attention: To avoid breaking the retaining clips or damaging the DIMM
connectors, open and close the clips gently.
7. Open the retaining clip 2 on each end of the DIMM connector and lift the
DIMM 1 from the connector.
8. If you are instructed to return the DIMM, follow all packaging instructions, and
use any packaging materials for shipping that are supplied to you.
Chapter 5. Installing optional devices and replacing customer replaceable units
63