Installing the DIMM air baffle
To install the DIMM air baffle, complete the following steps:
1. Align the DIMM air baffle over the DIMMs so that the baffle pin on the left side
of the air baffle aligns with the pin hole next to DIMM connector 8 on the system
board, and lower it into the server.
DIMM air baffle
Baffle pin hole
Baffle pin
2. Install the cover.
3. Slide the server into the rack.
4. Reconnect the power cord and any cables that you removed.
5. Turn on the peripheral devices and the server.
Attention: For proper cooling and airflow, replace the air baffle before turning
on the server. Operating the server with an air baffle removed might damage
server components.
178 IBM System x3550 M3 Types 4254 and 7944: Problem Determination and Service Guide