136 Installing System ComponentsInstalling the System Board1 Lower the system-board tray until the tray sits flat on the bottom of thechassis.2 Align the back connectors on the system board with the cutouts in theback of the chassis, and ensure the system-board tray is square with thechassis so that the securing tabs on the chassis fully insert into system-board securing slots. See Figure 3-32.3 Slide the system-board tray toward the back of the chassis until it locksinto position.4 Replace the sideplane. See "Installing the Sideplane Board" on page 1275 Replace the SAS controller daughter card. See "Installing a SAS ControllerDaughter Card" on page 84.6 Reinstall the LOM NIC hardware key, if applicable. See Figure 6-2 for theTOE_KEY socket location.7 Replace the heatsinks and microprocessors. See "Installing a Processor" onpage 123.8 Replace the memory modules. See "Installing Memory Modules" onpage 117.9 If applicable, replace the RAC card. See "Installing a RAC Card" onpage 106.10 Replace the fan bracket. See "Replacing the Fan Bracket" on page 98.11 Replace the fans. See "Replacing a Cooling Fan" on page 83.12 Replace the cooling shroud. See "Installing the Processor Cooling Shroud"on page 96.13 Replace the expansion-card risers. See "Expansion-Card Risers" onpage 99.14 Replace the power supplies. See "Replacing a Power Supply" on page 79.15 If applicable, replace any expansion cards. See "Installing an ExpansionCard" on page 91.16 Close the system. See "Closing the System" on page 71.
