Dell PowerEdge C6145 Hardware Owner's Manual page 197

when you replace them to prevent the cables from being pinched or
crimped.
8 Disconnect front panel cables from the fan controller board. See Figure
3-48.
Note the routing of the cable underneath the tabs on the chassis as you
remove them from the system. You must route these cables properly
when you replace them to prevent the cables from being pinched or
crimped.
9 Remove the hard-drive cage from the chassis. See Figure 3-50.
Figure 3-50. Removing and Installing the Hard-Drive Cage (2)
1 2.5" hard-drive cage
10 Remove the screws that secure the backplane to the hard-drive cage.
See Figure 3-51.
11 Remove the backplane with the expander card from the hard-drive cage.
See Figure 3-51.
2 front-panel assembly (2)
Installing System Components | 197