Lenovo ThinkServer TD200x Bedienungsanleitung PDF herunterladen (Seite 111)

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.

13. Install a VRM in the connector by microprocessor socket 2 (see “System-board

internal connectors” on page 25 for the VRM connector location).

a. Open the retaining clips on each end of the VRM connector.

b. Turn the VRM so that the keys align with the connector.

c. Insert the VRM into the connector by aligning the edges of the VRM with

the slots at the end of the VRM connector. Firmly press the VRM straight

down into the connector by applying pressure on both ends of the VRM

simultaneously. The retaining clips snap into the locked position when the

VRM is seated in the connector.

14. Reinstall the air baffle (see “Installing the air baffle” on page 59).

15. Close the power-supply cage (see “Closing the power-supply cage” on page

49).

16. Reinstall the hot-swap power supplies.

17. Reinstall the left-side cover.

18. Reconnect the external cables and power cords.

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

“Completing the installation” on page 97.

Thermal grease

The thermal grease must be replaced whenever the heat sink has been removed

from the top of the microprocessor and is going to be reused or when debris is

found in the grease.

To replace damaged or contaminated thermal grease on the microprocessor and

heat sink, do the following:

1. Place the heat-sink assembly on a clean work surface.

2. Remove the cleaning pad from its package and unfold it completely.

3. Use the cleaning pad to wipe the thermal grease from the bottom of the heat

sink.

Note: Make sure that all of the thermal grease is removed.

4. Use a clean area of the cleaning pad to wipe the thermal grease from the

microprocessor; then, dispose of the cleaning pad after all of the thermal grease

is removed.

Chapter 5. Installing optional devices and replacing customer replaceable units 95

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Lenovo ThinkServer TD200x Bedienungsanleitung Seite 111