Dell R420xr Personal Computer User Manual


 
7. If you are removing the card permanently, install a metal filler bracket over the empty expansion slot
opening and close the expansion-card latch.
NOTE: You must install a filler bracket over an empty expansion 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.
8. Close the system.
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