CAUTION: If removed, you must replace the power distribution board 2 at the 
bottom and the power distribution board-connector before replacing the first 
power distribution board at the top. 
 
1  If removed, first place the power distribution board 2 in the system. 
See Figure 3-65. Otherwise skip to step 5. 
NOTE: To install the power distribution board 2 that is below the first power 
distribution board, angle the board during installation. 
2  Replace the screws securing the power distribution board 2 to the 
system. See Figure 3-65. 
3  Replace the power distribution board-connector. See Figure 3-64. 
4  Connect all the cables to the power distribution board 2. See Figure 3-
67. 
You must route these cables properly through the tabs on the chassis to 
prevent them from being pinched or crimped. 
5  Replace the first power distribution board to the system. See Figure 3-
63. 
6  Replace the screws securing the first power distribution board to the 
system. See Figure 3-63. 
7  Connect all the cables to the first power distribution board. See Figure 
3-66. 
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 140. 
9  Close the system. See “Closing the System” on page 219. 
10  Reconnect the system to its electrical outlet and turn on the system, 
including any attached peripherals.