Dell Alienware Area 51 R2 (Late 2014) - Manual (Page 57)

Replacing the I/O Board
WARNING: Before working inside your computer, read the
safety information that shipped with your computer and
follow the steps in Before Working Inside Your Computer .
After working inside your computer, follow the instructions
in After Working Inside Your Computer . For more safety best
practices, see the Regulatory Compliance home page at
dell.com/regulatory_compliance.
Procedure
1 Align the screw holes on the I/O board to the screw holes on the chassis
and place the I/O board in the chassis.
2 Replace the screws that secure the master I/O board to the chassis.
3 Route and connect the cables that you removed from the connectors on
the I/O board.
NOTE: The connectors on the I/O board are color coded. Make sure
that you match the color of the I/O board connector with the cable
connector. For more information on I/O connectors, see
I/O Board
Components ”.
Post-requisites
1 Replace the left and right side-panels. See “ Replacing the Side Panels ”.
2 Replace the stability foot .
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