3. Always install the microprocessor rst into the CPU0 socket, and then install another microprocessor
into the CPU1 socket if you want to install two microprocessors.
To install 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. Remove the server cover. See “Removing the server cover” on page 19.
3. Remove the microprocessor fan duct. See Removing the microprocessor fan duct.
4. Remove the heat sink. See Removing the heat sink.
5. Press down and push the small handle outward on the microprocessor socket to lift the handle to
the open position.
Figure51. Lifting the handle
6. Gently press the retainer of the microprocessor socket to open it.
Figure52. Opening the retainer
Chapter 5. Installing, removing, or replacing hardware 63