Dell EMC PowerEdge R640 Installation And Service Manual page 92

Figure 41. Applying thermal grease on top of the processor
5 Place the heat sink on the processor and push down until the bracket locks onto the heat sink.
NOTE:
• Ensure that the two guide pin holes on the bracket match the guide holes on the heat sink.
• Ensure that the pin 1 indicator on the heat sink is aligned with the pin 1 indicator on the bracket before placing the heat
sink onto the processor and bracket.
92 Dell EMC PowerEdge R640 Installation and Service Manual
Installing and removing system components