Lenovo ThinkStation P920 Hardware Maintenance Manual page 216

• "Rear fan assembly" on page 138
• "Memory module" on page 152
• "Heat-sink-and-fan assembly" on page 200
• "VROC upgrade key module" on page 194
b. Record the cable routing and cable connections, and then disconnect all cables from the system
board. See "Parts on the system board" on page 38.
c. Press the metal retainer to release the failing system board. Then push the failing system board
toward the metal retainer and carefully lift the system board out of the chassis.
Note: Carefully handle the system board by its edges.
Figure 190. Removing the system board
3. To install the system board, do the following:
208
P920 Hardware Maintenance Manual