Installing the System Board
1. Lower the system-board tray until the tray sits flat on the bottom of the chassis.
2. Ensure that all system-board securing tabs are fully inserted into the system-boardsecuringslots.SeeFigure3-23.
3. Slide the system-board tray toward the back of the chassis until it locks into position.
4. If applicable, replace the RAC card. See RAC Card.
5. If applicable, replace the TOE key. See Activating the Integrated NIC TOE.
6. Replace the heatsink(s) and microprocessor(s).
7. Replace the memory modules. See Installing Memory Modules.
8. Replace both the center and left risers. See Installing an Expansion-Card Riser.
9. Replace any expansion card(s). See Installing an Expansion Card.
10. Replace the sideplane board. See Installing the Sideplane Board.
11. Replace the fan modules. See Replacing a Cooling Fan Module.
12. Replace the memory cooling shroud. See Replacing the Memory Cooling Shroud.
13. Replace the power supplies. See Replacing a Power Supply.
14. Connect any cables to the system.
15. Close the system. See Opening and Closing the System.
16. Replace the bezel. See Removing and Replacing the Front Bezel.
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CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See
your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting against
electrostatic discharge.
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