CAUTION: If removed, you must replace the power distribution board 2 and the 
power distribution board-connector before replacing the power distribution board 
1. 
1  If removed, first place the power distribution board 2 in the system. 
See Figure 3-77. Otherwise skip to step 5. 
NOTE: To install the power distribution board 2 below the power distribution board 
1, angle the board during installation. 
2  Replace the screws securing the power distribution board 2 to the 
system. See Figure 3-77. 
3  Replace the power distribution board-connector. See Figure 3-76. 
4  Connect all the cables to the power distribution board 2. See Figure 3-
79. 
You must route these cables properly through the tabs on the chassis to 
prevent them from being pinched or crimped. 
5  Replace the power distribution board 1 to the system. See Figure 3-75. 
6  Replace the screws securing the power distribution board 1 to the 
system. See Figure 3-75. 
7  Connect all the cables to the power distribution board 1. See Figure 3-
78. 
You must route these cables properly through the tabs on the chassis to 
prevent them from being pinched or crimped. 
8  Replace the power supply. See “Installing a Power Supply” on page 167. 
9  Close the system. See “Closing the System” on page 152. 
10  Reconnect the system to its electrical outlet and turn on the system, 
including any attached peripherals.