28 Intel® Server System SR1520ML User’s Guide
Note: Make sure that all empty add-in card slots have filler panels installed.
9. Install the PCI riser assembly into the server system. For instructions, see
“Installing the PCI Riser Assembly” on page 22.
Removing and Installing the Processor Air Duct
Always operate your server system with the processor air duct in place. The air duct is
required for proper airflow within the server system.

Removing the Processor Air Duct

1. Observe the safety and ESD precautions at the beginning of this book. See “Safety
Information” on page iii.
2. Power down the server and unplug all peripheral devices and the AC power cable.
3. Remove the server system cover. For instructions, see “Removing the Server
System Cover”.
4. Lift the processor air duct from its location behind the two fans.
Figure 20. Removing the Processor Air Duct
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