Dell PowerEdge C6220 II Hardware Owner's Manual page 290

11 Remove the screws that secure the backplane for expander
configuration to the hard-drive cage. See Figure 3-101.
12 Remove the backplane for expander configuration from the hard-drive
cage. See Figure 3-101.
Figure 3-101. Removing and Installing the Backplane for Expander Configuration
from the Hard-Drive Cage
1 hard-drive cage
3 screw (11)
290 | Installing System Components
2 2.5-inch hard-drive backplane
for Expander Configuration