System Board Replacement (Trained Technician Only); Remove The System Board - Lenovo HR650X V2 User Manual

Figure 72. Installing a PHM
1. Rotate the anti-tilt wire bails inward.
2. Align the triangular mark and four Torx T30 nuts on the PHM with the triangular mark and
threaded posts of the processor socket; then, insert the PHM into the processor socket.
3. Rotate the anti-tilt wire bails outward until they engage with the hooks in the socket.
4. Fully tighten the Torx T30 nuts in the installation sequence shown on the heat-sink label.
Tighten the screws until they stop; then, visually inspect to make sure that there is no gap
between the screw shoulder beneath the heat sink and the processor socket. (For reference,
the torque required for the fasteners to fully tighten is 1.1 newton-meters, 10 inch-pounds).
After you finish
Complete the parts replacement. See "Complete the parts replacement" on page 113.

System board replacement (trained technician only)

Use this information to remove and install the system board.

Remove the system board

Use this information to remove the system board.
About this task
A system board provides different connectors or slots to connect different components or peripherals of the
system for communication. If the system board fails, it must be replaced. Before removing the system board,
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HR650X V2 User Guide