Installing The System Board - Dell POWEREDGE R805 Hardware Owner's Manual

Installing the System Board

1 Lower the system-board tray until the tray sits flat on the bottom of the
chassis.
2 Align the back connectors on the system board with the cutouts in the
back of the chassis, and ensure the system-board tray is square with the
chassis 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 locks
into position.
4 Replace the sideplane. See "Installing the Sideplane Board" on page 127
5 Replace the SAS controller daughter card. See "Installing a SAS Controller
Daughter Card" on page 84.
6 Reinstall the LOM NIC hardware key, if applicable. See Figure 6-2 for the
TOE_KEY socket location.
7 Replace the heatsinks and microprocessors. See "Installing a Processor" on
page 123.
8 Replace the memory modules. See "Installing Memory Modules" on
page 117.
9 If applicable, replace the RAC card. See "Installing a RAC Card" on
page 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" on
page 99.
14 Replace the power supplies. See "Replacing a Power Supply" on page 79.
15 If applicable, replace any expansion cards. See "Installing an Expansion
Card" on page 91.
16 Close the system. See "Closing the System" on page 71.
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Installing System Components