Removing and Installing System Components | 307 
 
 
3  Replace the screw that secures the sensor board to the hard drive cage. 
See Figure 3-109. 
4  Connect the sensor board cable to the sensor board. See Figure 3-111. 
5  Replace the hard drive cage into the chassis. See Figure 3-96. 
6  Replace the screws that secure the hard-drive cage to the chassis. See 
Figure 3-95. 
7  Connect all the cables to the backplane. See Figure 3-94 for 2.5-inch 
hard drives. 
You must route these cables properly on the chassis to prevent them 
from being pinched or crimped. 
8  Connect the front panel cables to the power distribution board. See 
Figure 3-108 or Figure 3-111. 
You must route these cables properly on the chassis to prevent them 
from being pinched or crimped. 
9  Close the system. See “Closing the System” on page 152. 
10  Replace the hard drives. See “Installing a Hard Drive into a Hard-Drive 
Carrier” on page 163. 
11  Reconnect the system to its electrical outlet and turn on the system, 
including any attached peripherals. 
Cable Routing for Sensor Board and Front Panel for 2.5” Hard Drive 
System 
1  Connect the Y-shaped cable for the sensor board and front panel 2 to 
the connector on the power distribution board 1, and connect the other 
two ends of the cable to the connectors on the sensor board and the 
front panel 2 respectively. 
2  Connect the front panel cable to the connector on the power 
distribution board 1, and connect the other end of the cable to the 
connector on the front panel 1.