Cisco UCS C480 M5 Installation And Service Manual page 101

Maintaining the Server
Step 5
The new CPU assembly is shipped on a CPU assembly tool. Take the new CPU assembly and CPU assembly tool out
of the carton.
If the CPU assembly and CPU assembly tool become separated, note the alignment features shown in the following
figure for correct orientation. The pin 1 triangle on the CPU carrier must be aligned with the angled corner on the CPU
assembly tool.
Caution CPUs and their sockets are fragile and must be handled with extreme care to avoid damaging pins.
Figure 46: CPU Assembly Tool, CPU Assembly, and Heatsink Alignment Features
1 CPU assembly tool
2 CPU assembly (CPU in plastic carrier frame)
Heatsink
3
Step 6
Apply new TIM to the heatsink:
Note The heatsink must have new TIM on the heatsink-to-CPU surface to ensure proper cooling and performance.
4 Angled corner on heatsink (pin 1 alignment
feature)
5 Triangle cut into plastic carrier (pin 1
alignment feature)
Angled corner on CPU assembly tool (pin 1
6
alignment feature)
Cisco UCS C480 M5 Server Installation and Service Guide
Replacing a CPU and Heatsink
99