Lenovo ThinkStation P920 Hardware Maintenance Manual page 217

a. Position the new system board in the chassis. Align the 12 mounting studs on the bottom of the
system board with the corresponding holes in the chassis. Then, push the new system board toward
the rear of the computer until it snaps into position. Ensure that the system board is secured by the
metal retainer.
Figure 191. Installing the system board
b. Remove the microprocessor socket covers from the new system board.
Figure 192. Removing the microprocessor socket cover
c. Reinstall all parts that you have removed one by one in the reversed sequence as you remove them.
Refer to the information that you have recorded and the related topics in "Removing and installing
.
Chapter 9 Hardware removal and installation
209