4
Using the Torx #T30 screwdriver, tighten the screws on the heat sink in the order below:
a Partially tighten the first screw (approximately 3 turns).
b Tighten the second screw completely.
c Return to the first screw and tighten it completely.
If the PHM slips off the blue retention clips when the screws are partially tightened, follow these steps to secure the PHM:
a
Loosen both the heat sink screws completely.
b
Lower the PHM on to the blue retention clips, follow the procedure described in step 2.
c
Secure the PHM to the system board, follow the procedure described in step 4.
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 27. Installing a processor and heat sink module (1U)
Next step
1
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 a slot on a 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 specifications
The PowerEdge C4140 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.
Expansion card installation guidelines
Depending on your system configuration, the following PCI Express (PCIe) generation 3 expansion cards are supported:
72
Installing and removing system components