Lenovo ThinkSystem SR665 V3 User Manual page 268

Figure 230. Separating the system I/O board from the processor board
a. Remove the screws that secure the system I/O board.
b. Lift and hold the rear lift handle and slide the system I/O board towards the rear to
disengage it from the processor board.
Step 4. (Optional) If you are going to replace the system I/O board, do the following:
1. Remove the firmware and RoT security module from the system I/O board. See
firmware and RoT security module" on page
2. Remove the MicroSD card.
Figure 231. Removing the MicroSD card
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249.
"Remove the