Oracle Exadata X10M Service Manual page 125

Note the orientation and correct handling of the External Cap.
Callout Description
1 Top of External Cap (insertion tabs are circled)
2 Bottom of External Cap (contacts the socket)
3 Use of the External Cap handle
See Processor Overview
On the new replacement motherboard:
Unscrew the socket Force Frame.
a.
Using a Torx T20 screwdriver, fully loosen the captive Force Frame Retention
Screw that secures the Force Frame to the socket. Apply counter-pressure to
the force frame when opening.
for processor frame and socket information.
Chapter 12
Remove the Motherboard Assembly
12-6