5. support pin (2) 6. release lever4. Push the release lever towards the chassis until the PEM locks into place.Figure 21. Securing the PEM on the chassis using the release lever1. processor expansion module 2. support pin (2)3. release leverNext steps1. Follow the procedure listed in the After working inside your system section.2. If you are installing the processor expansion module for the first time, press to enter the System Setup and check thatthe processor information matches the new system configuration.3. Run the system diagnostics to verify that the new processors operate correctly. See Using System Diagnostics for availablediagnostic tests.Related linksSafety instructionsBefore working inside your systemAfter working inside your systemCooling shroudThe cooling shroud aerodynamically directs the airflow across the entire system. The airflow passes through all the critical parts ofthe system, where the vacuum pulls air across the entire surface area of the heat sink, thus allowing increased cooling.Removing the cooling shroudPrerequisitesCAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting andsimple repairs as authorized in your product documentation, or as directed by the online or telephone service and supportteam. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safetyinstructions that are shipped with your product.CAUTION: Never operate a two-processor system without the cooling shroud. The system may get overheated quickly,resulting in shutdown of the system and loss of data.1. Follow the safety guidelines listed in the Safety instructions section.2. Follow the procedure listed in the Before working inside your system section.67
