Dell POWEREDGE R805 - Manual (Page 57)

Figure 3-32. System Board Removal
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
5. Replace the SAS controller daughter card. See Installing a SAS Controller Daughter Card .
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 .
8. Replace the memory modules. See Installing Memory Modules .
9. If applicable, replace the RAC card. See Installing a RAC Card .
10. Replace the fan bracket. See Replacing the Fan Bracket .
11. Replace the fans. See Replacing a Cooling Fan .
12. Replace the cooling shroud. See Installing the Processor Cooling Shroud .
13. Replace the expansion-card risers. See Expansion-Card Risers .
14. Replace the power supplies. See Replacing a Power Supply .
15. If applicable, replace any expansion cards. See Installing an Expansion Card .
16. Close the system. See Closing the System .
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1 system-board tray riser release pin 2 system board
3 system-board tray 4 system-board securing tabs