• Turn off the server and peripheral devices and disconnect the power cords and all external cables (see
“Power off the server” on page 12).
• If the server is installed in a rack, slide the server out on its rack slide rails to gain access to the top cover,
or remove the server from the rack.
Step 1. Make preparations for this task.
a. Remove the system board from the server (see
“Remove the system board” on page 229).
b. Refer to local environmental, waste or disposal regulations to ensure compliance.
Step 2. Remove the following components as illustrated:
• 22 slotted screws
• Two standoffs (with 12 mm wrench)
• One plunger (with 11 mm and 16 mm wrench)
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ThinkSystem SR860 V2 Maintenance Manual