Dell PowerEdge R250 EMC Installation and Service Manual - Page 73

Installing the system board

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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 Safety instructions. 2. Follow the procedure listed in Before working inside your system. 3. If you are replacing the system board, remove all the components that are listed in the removing the system board section. Installing and removing system components 73

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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
Safety instructions
.
2.
Follow the procedure listed in
Before working inside your system
.
3.
If you are replacing the system board, remove all the components that are listed in the
removing the system board
section.
Installing and removing system components
73