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16.Install the two retention modules to the system board using the screws removed in Step 15.
17.Install the replacement system board into the server securing it with the eight screws removed in Step 13.
18.Connect all the power, signal, and fan cable connectors to their mating connectors on the system board.
19.Perform the processor(s) and DIMM(s) installation procedures described earlier in the section Modifying the System Board.
20.Install any PCI option boards removed from the system board. See PCI Boards earlier in this chapter.
21.Install the rear cooling fan following procedures previously described in this chapter.
22.Install the processor air duct following procedures previously described in this chapter.
23.Reassemble any other removed components and check system board operation..
Power Supply Back Board
To remove the power supply back board, perform the following procedures:
1.Observe the safety and ESD precautions listed under General Information and Static Precautions at the beginning of this chapter.
2.Open the front bezel of your system.
3.Shutdown the operating system (OS).
4.Press the power on/off switch on the front panel of the server (see Front View in Chapter 1). The
5.Power off the peripheral devices.
6.Unplug the system power cord(s) from the AC wall outlet(s).
Note: If the system power cord is connected to a power control unit such as an UPS (Uninterruptible Power Supply), refer to the UPS user's guide for proper
7.Remove the system
!CAUTION
For proper cooling and airflow, do not operate the system with the side access panel removed. Always replace the panel before powering on the system