User's Guide

Upgrading Your Server 9-41
8. Secure four screws to fix the heat sink.
NOTE: Tighten four screws temporarily in the following order shown
in the figure below, and then completely tighten all screws.
9. Make sure that the heat sink is level.
NOTES:
 If the heat sink is not level, remove it, and then install it again. The
following probably causes the heat sink not to be level:
– The CPU is not positioned correctly.
– The wire clip is not engaged correctly.
 Do not move the secured heat sink.
10. Install the components you removed previously.
11. Power on the server, start the SETUP utility, and set "Processor Retest" of "Processor
Settings" on the Main menu to "Enable".
12. Verify that POST displays no error messages.
If POST displays an error message, take a note on the message and see the POST error
messages listed in Chapter 8.
13. Set "Reset Configuration Data" on the Advanced menu to "Yes".
This setting is required to change the hardware configuration data. See Chapter 4 for
details.
14. To add one or more CPUs to the server in 1-CPU configuration to operate the server with
more than one CPU, do the procedure below:
For the Windows operating system, change the driver of [Computer] in the device
manager to [ACPI multi-processor PC] and then update the system (see Chapter 5).