Dell POWEREDGE C6105 - Manual (Page 182)

182 | Installing System Components
7 Connect all the cables to the backplane. See Figure 5-6 for 2.5-inch
hard drives.
You must route these cables properly through the tabs on the chassis to
prevent them from being pinched or crimped.
8 Connect front panel cables to the fan controller board. See Figure 5-12.
You must route these cables properly through the tabs on the chassis to
prevent them from being pinched or crimped.
9 Close the system. See "Closing the System" on page 143.
10 Replace the hard drives. See "Installing a Hard Drive into a Hard-Drive
Carrier" on page 88.
11 Reconnect the system to its electrical outlet and turn on the system,
including any attached peripherals.