Dell EMC PowerEdge R740 - Expansion Cards and Expansion Card Risers

a Partially tighten the rst screw (approximately 3 turns).
b Tighten the second screw completely.
c Return to the rst screw and tighten it completely.
If the PHM slips o 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, following the procedure described in step 2.
c Secure the PHM to the system board, following the replacement instructions listed in this step above. 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 64. Installing the processor and heat sink module (2U)
Next steps
1 If applicable, install the air shroud.
NOTE
: If applicable, open the PCIe card holder latch on the air shroud to install the full length card.
2 Follow the procedure listed in After working inside your system.
Expansion cards and expansion card risers
Expansion card installation guidelines
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 a F1/F2 pause occurs and an error message is displayed.
The PowerEdge R740 system supports up to eight PCI express (PCIe) generation 3 expansion cards, that can be installed on the system
board using expansion card risers. The following table provides detailed information about the expansion card riser specications:
Installing and removing system components
115