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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 not attempt to remove or install it without proper training and qualification.

S017
moving parts
CAUTION
Hazardous moving fan blades nearby. Keep fingers and other body parts away.
CAUTION

Attention/Caution/Danger icon, warning users and servicers of a hot surface nearby
The heat sinks and processors might be very hot. Turn off the server and wait several minutes to let the server cool before removing the server cover.
The following illustration shows the layout of the system board assembly which consists of the system I/O board (DC-SCM) and processor board.
Figure 1. System-board-assembly layout

1 System I/O board (DC-SCM)2 Processor board