Removal and replacement procedures 72
5.
Remove the quick-release latch rack ear assembly.
To replace the component, reverse the removal procedure.
System board
CAUTION: To avoid ESD damage, when removing electrostatic-sensitive components from
the failed system board, place the components on a static-dissipating work surface or inside
separate antistatic bags.
NOTE: Replace a failed system board with the same model of replacement system board.
See the label of the failed system board for the spare part number.
To remove the system board assembly:
1. Power down the server (on page 30).
2. Remove all power:
a. Disconnect each power cord from the power source.
b. Disconnect each power cord from the server.
3. Do one of the following:
o Extend the server from the rack (on page 30).
o Remove the server from the rack (on page 33).
4. Remove the access panel ("Access panel" on page 40).
5. Remove the air baffle (on page 34).
6. Remove the fans ("Fan and fan blank" on page 50).
7. Remove the fan blanks ("Fan population guidelines" on page 50, "Fan blank" on page 51).
8. Remove the PCI riser cages ("Remove the PCI riser cage" on page 35).
9. Disconnect all cables connected to the system board.
10. Remove the Smart Storage Battery ("Smart Storage Battery" on page 43).
11. Remove all DIMMs ("Removing a DIMM" on page 54).
12. Remove the heatsink:
a. Loosen one pair of diagonally opposite screws halfway, and then loosen the other pair of screws.
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