Installing The System Board - Dell EMC PowerEdge R250 Installation And Service Manual

d. Expansion cards
e. Expansion card risers
f. Intrusion switch
g. IDSDM module (if installed)
h. Internal USB key (if installed)
i. Processor heat sink
j. Memory modules
k. Disconnect all cables from the system board.
CAUTION: Take care not to damage the system identification button while removing the system board
from the system.
Steps
1. Remove all the screws from the system board.
2. Slide the system board towards the front of the system and lift the system board out of the chassis leaning at an angle.
Figure 71. Removing the system board
Next steps
Replace the system board.

Installing the system board

Prerequisites
NOTE: Before replacing the system board, replace the old iDRAC MAC address label in the Information tag with the iDRAC
MAC address label of the replacement system board.
1. Follow the safety guidelines listed in the
2. Follow the procedure listed in
3. If you are replacing the system board, remove all the components that are listed in the
Safety instructions.
Before working inside your system.
Installing and removing system components
removing the system board section.
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