Owners Manual
NOTE: Ensure that the PHM is held parallel to the system board to prevent damaging the components.
2 Push the blue retention clips inward to allow the heat sink to drop into place.
3 Using the #Torx T30 screwdriver, tighten one screw at a time.
NOTE: Ensure that the screw is tightened completely before moving onto the next screw.
NOTE: The processor and heat sink module retention screws should not be tightened to more than 0.13 kgf-m (1.35 N.m or
12 in-lbf).
Figure 34. Installing a processor and heat sink module
Next step
Follow the procedure listed in After working inside your system.
Expansion cards and expansion card risers
An expansion card in the system is an add-on card that can be inserted into an expansion slot on the system board or riser card to add
enhanced functionality to the system through the expansion bus.
NOTE
: A System Event Log (SEL) event is logged if an expansion card riser is not supported or missing. It does not prevent your
system from turning on. However, if F1/F2 pause occurs and an error message is displayed.
Expansion bus specications
The XC640 Series system supports PCI express (PCIe) generation 3 expansion cards, which are installed on the system, using expansion
card risers. This system supports 1A, and 2A expansion card risers.
Installing and removing system components
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