4. Replace the power distribution board cover panel.
a. Position the cover in place over the system chassis.
Hold the cover at an approximately 30-degree angle from the chassis, aligning
the slots on the cover with the tabs on the main logic board mounting plate.
b. Lower the cover into place.
Make sure you insert the tabs on the cover into the slots on the main logic
board mounting plate.
Removing and Replacing Backplanes and Cables 153