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140 Installing System Components
Replacing the Power Distribution Board
WARNING: Only trained service technicians are authorized to remove the system
cover and access any of the components inside the system. Before you begin this
procedure, review the safety instructions that came with the system.
1
Unpack the new power distribution board assembly.
2
Align the power distribution board with the standoffs on the chassis and
slide it in place. See Figure 3-28.
3
Install the two screws that secure the power distribution board to the
chassis. See Figure 3-28.
4
Connect the power distribution cables to the system board (see "System
Board (Service-Only Procedure)" on page 140)and fan cable connectors to
the power distribution board as shown in Figure 3-28.
5
"Removing the Control Panel Assembly on page 132, and "Removing the
SAS Backplane" on page 136.
6
Locate the hinged interior catches on either side of the shroud and align
and seat the power distribution board cover, rotating it down and over the
shroud. See Figure 3-28.
7
Install the power supplies in the system. See "Installing a Redundant
Power Supply" on page 93.
8
Close the system. See "Closing the System" on page 83.
9
Reconnect the system to its electrical outlet and turn the system on,
including any attached peripherals.
System Board (Service-Only Procedure)
Removing the System Board
WARNING: Only trained service technicians are authorized to remove the system
cover and access any of the components inside the system. Before you begin this
procedure, review the safety instructions that came with the system.
CAUTION: If you are using the Trusted Program Module (TPM) with an encryption
key, you may be prompted to create a recovery key during program or system
setup. Be sure to create and safely store this recovery key. If you replace this
system board, you must supply the recovery key when you restart your system or
program before you can access the encrypted data on your hard drives.
book.book Page 140 Tuesday, March 31, 2009 5:26 PM