Cisco UCS C24 Installation And Service Manual page 70

Installing or Replacing Server Components
Apply thermal grease from an included syringe to the top of the CPU.
c.
Apply about 2 cubic centimeters of grease (about half the syringe contents) to the top of the CPU in
the pattern that is shown in
Note
Figure 3-17
For a new heatsink, peel the protective film from the thermal pad that is on the bottom of the new
d.
heatsink.
Note
Align the heatsink captive screws with the motherboard standoffs, then use a Number 2
e.
Phillips-head screwdriver to tighten the captive screws evenly.
Note
Replace the top cover.
f.
Replace the server in the rack, replace cables, and then power on the server by pressing the Power
g.
button.
Cisco UCS C24 Server Installation and Service Guide
3-30
Figure
If you do not have a syringe of thermal grease, you can order a spare
(Cisco PID UCS-CPU-GREASE).
Thermal Grease Application Pattern
Do not apply a syringe of thermal grease if you are installing a new heatsink that already has a
pre-applied thermal pad.
Alternate tightening each screw evenly to avoid damaging the heatsink or CPU.
3-17.
Chapter 3 Maintaining the Server
OL-26647-01