Figure 132. Removing the expansion card riser (Riser 1)
Figure 133. Removing the expansion card riser (Riser 4)
2. If the risers are not going to be replaced, install riser blanks and tighten the captive screws.
NOTE:
You must install a filler bracket over an empty expansion card slot to maintain Federal Communications
Commission (FCC) certification of the system. The brackets also keep dust and dirt out of the system and aid in
proper cooling and airflow inside the system.
146
Installing and removing system components