Lower the PHM on to the blue retention clips, following the procedure described in step 2.
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 61. Installing a processor and heat sink module
Next steps
Follow the procedure listed in
After working inside your system
.
Expansion cards and expansion card risers
NOTE:
A System Event Log (SEL) event is logged if an expansion card riser is not support ed or missing. It does not
prevent your system from t urning on. However, if a F1/F2 pause occurs and an error message is display ed.
Expansion bus specifications
The PowerEdge R640 system sup ports PCI express (PCIe) generation 3 expansion cards, which are installed on the system, using
expansion card risers. This system supports 1A, 2A, 1B, and 2B expansion card risers.
Expansion card installation guidelines
Depending on your system configuration, the following PCI Express (PCIe) generation 3 expansion cards are supported:
Table 56. Expansion card riser configurations
Expansion card riser
PCIe slots on the riser
Processor
connection
Height
Length
Slot width
Riser 1A
Slot 1
Processor 1
Low Profile
Half Length
x16
Slot 2
Processor 1
Low Profile
Half Length
x16
Riser 2A
Slot 3
Processor 2
Low Profile
Half Length
x16
Installing and removing system components
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