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Notes:
• Ensure that the new microprocessor is the correct type your server supports. See “Memory module
installation rules” on page 75
. When two microprocessors are installed, both must have the same core
voltage and core speed.
• Use any documentation that comes with the microprocessor option kit and follow those instructions in
addition to the instructions in this topic.
• Your microprocessor, socket, and socket cover might look slightly different from the illustrations in this
topic.
To replace the microprocessor, do the following:
1. Remove all media from the drives and turn off all attached devices and the server. Then, disconnect all
power cords from electrical outlets and disconnect all cables that are connected to the server.
2. If the server is installed in a rack cabinet, remove the server from the rack cabinet and place it on a at,
clean, and static-protective surface. See the Rack Installation Instructions that comes with the server.
3. Remove the server cover. See “Removing the server cover” on page 69.
4. Remove the cooling shroud. See “Removing and reinstalling the cooling shroud” on page 73.
5. Remove the heat sink. See “Installing or replacing a heat sink” on page 104.
6. Locate the microprocessor socket and open the small handle 2 rst. Then, open the other small
handle 1 .
Note: There are two marks on the microprocessor retainer. You need to open the small handle marked
with
rst and then you can open the other small handle marked with .
Figure73. Opening the handles
112 ThinkServer RD540 User Guide and Hardware Maintenance Manual