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System board assembly replacement (Trained technicians only)

Follow instructions in this section to remove and install the system board assembly.

Important
  • This task must be operated by trained technicians that are certified by Lenovo Service. Do no attempt to remove or install it without proper training and qualification.

  • If you need to replace a processor board and a firmware and RoT security module together, do the following:
The following illustration shows the layout of the system board assembly which contains the firmware and RoT security module, system I/O board, processor board, fan board and PIB board.
Figure 1. System-board-assembly layout
System-board-assembly layout

1 System I/O board2 Firmware and RoT security module
3 Processor board4 Fan board
5 PIB board 

For the installation and removal of the fan board and the PIB board, see Fan board replacement and Power inverter board (PIB) replacement.

For the installation and removal of RoT module, IO board and processor board, see: