Oracle Exadata X5-2 Service Manual page 156

Install the Motherboard Assembly
b. Using a No. 2 Phillips screwdriver, tighten the four green captive screws that
secure the mid-wall to the bottom of the chassis [3].
Using a No. 2 Phillips screwdriver, insert and tighten the screw on each side
c.
of the chassis to secure the mid-wall in the chassis [4].
4. Reconnect the power cable to the motherboard from the rear storage drive
backplane [5].
See "Servicing the Storage Drive Backplanes" on page
156 Oracle Exadata Storage Server X5-2 High Capacity Service Manual • January 2018
112.