Upgrading Your Server 9-4112. Fix the heat sink with four screws.Temporarily secure the four screws in the order as shown in the figure below. Then, securethem tightly.123413. Make sure that the heat sink is level with the mother board.NOTES: If the heat sink is not level, remove it, and then install it again. If theCPU is not positioned correctly, it causes the heat sink not to belevel. Do not move the secured heat sink.14. Install the duct cover, and secure it with a setscrew.15. Install the left side cover.16. Set [Reset Configuration Data] on the Advanced menu to "Yes".This setting is required to change the hardware configuration data. See Chapter 4 fordetails.17. If the CPUs are additionally installed to configure a multi-processor system, provide thefollowing settings on Windows.Select [Device Manager] - [Computer] and check the driver. If the driver is "ACPI singleprocessor PC", change it to "ACPI multi-processor PC". Restart the server according tothe on-screen message, and update the system. See Chapter 5 for details.