Dell PowerEdge C6145 Hardware Owner's Manual page 207

drives.
You must route these cables properly through the tabs on the chassis to
prevent them from being pinched or crimped.
7 Connect front panel cables to the fan controller board. See Figure 3-48.
You must route these cables properly through the tabs on the chassis to
prevent them from being pinched or crimped.
8 Close the system. See "Closing the System" on page 174.
9 Replace the hard drives. See "Installing a Hard Drive Into a Hard-Drive
Carrier" on page 109.
10 Reconnect the system to its electrical outlet and turn on the system,
including any attached peripherals.
Installing System Components | 207