Upgrading Your Server 9-7Processor Air DuctTo install or remove the DIMM or processor, you will need to remove the air duct.IMPORTANT: Do not assemble the server without installing the airduct. No duct installed in the system reduces cooling efficiency and canaffect performance or cause damage due to overheating.RemovalFollow these steps to remove the air duct.1. See the section "Preparing for Installation and Removal" described earlier to prepare.2. Remove the side cover.3. Hold the left side of the air duct, and push the right end of the tab to release from thechassis.4. Remove the duct from the chassis.