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Cisco UCS C240 Server Installation and Service Guide
OL-25761-01
Chapter 3 Maintaining the Server
Installing or Replacing Server Components
c.
Apply thermal grease from an included syringe to the top of the CPU.
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
CPU spares come with two syringes of thermal grease; one with a blue cap and one with a red
cap. The syringe with the red cap is UCS-CPU-GREASE2=, which is used with this server.
Note
If you do not have a syringe of thermal grease, you can order a spare (UCS-CPU-GREASE2=).
Figure 3-19
Thermal Grease Application Pattern
d.
For a new heatsink, peel the protective film from the thermal pad that is on the bottom of the new
heatsink.
Note
Do not apply a syringe of thermal grease if you are installing a new heatsink that already has a
pre-applied thermal pad.
e.
Align the heatsink captive screws with the motherboard standoffs, then use a Number 2
Phillips-head screwdriver to tighten the captive screws evenly.
Note
Alternate tightening each screw evenly to avoid damaging the heatsink or CPU.
f.
Replace the top cover.
g.
Replace the server in the rack, replace cables, and then power on the server by pressing the
Power
button.
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