Lenovo ThinkSystem SR645 V3 User Manual page 157

b. Install the screws to fix the system I/O board into place.
Step 3. (Optional) If you are replacing the system I/O board, install the firmware and RoT security module
that is removed from the old system I/O board onto the new system I/O board. See
firmware and RoT security module" on page
Step 4. Install the system-board assembly into the server.
Figure 107. System board (system board assembly) installation
137.
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Chapter 5 Hardware replacement procedures
"Install the
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