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Installing the DIMM air baffle
The following illustration shows how to install the DIMM air baffle.
1 DIMM air baffle
2 PCI riser-card assembly 1
To install the DIMM air baffle, complete the following steps:
1. Read the safety information that begins on page 3.
2. Make sure that the server and peripheral devices are turned off (see “Turning
off the server” on page 53) and that all power cords and external cables are
disconnected.
3. Remove the cover.
4. Make sure that PCI riser-card assembly 1 is removed (see “Removing a PCI
riser-card assembly” on page 167).
5. Align the DIMM air baffle with the DIMMs and the back of the fans.
6. Lower the air baffle into place, making sure all cables are out of the way.
7. Install PCI riser-card assembly 1.
Attention: For proper cooling and airflow, replace all air baffles before you
turn on the server. Operating the server with any air baffle removed might
damage server components.
8. Install the cover (see “Completing the installation” on page 227).
178 ThinkServer RD220 Types 3729, 3779, 3797, and 3798: Hardware Maintenance Manual