Lenovo 6445 User Manual download pdf (Page 37)

8. Install a heat sink on the microprocessor.

Attention: Do not touch the thermal grease 1 on the bottom of the heat sink

2 or set down the heat sink after you remove the plastic cover. Touching the

thermal grease will contaminate it. For details, see the information about thermal

grease in the User Guide on the ThinkServer Documentation DVD.

a. Make sure that the heat-sink release lever is in the open position.

b. Remove the plastic protective cover from the bottom of the heat sink.

c. Align the heat sink above the microprocessor with the thermal grease side

down.

1 Retainer bracket 3 Heat sink release lever

2 Microprocessor

d. Slide the rear flange of the heat sink into the opening in the retainer bracket.

e. Press down firmly on the front of the heat sink until it is seated securely.

f. Rotate the heat-sink release lever to the closed position and hook it

underneath the lock tab.

Install the microprocessor air baffle.

If you have other optional devices to install or remove, do so now. Otherwise, go to

“Completing the installation” on page 30.

Chapter 2. Installing optional devices 23

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Lenovo 6445 User Manual Page 37