8. Install the air baffle (see “Replacing the air baffle” on page 262).
9. Install the PCI riser-card assembly (see “Replacing a PCI riser-card assembly”
on page 208.
10. Rotate the hot-swap rear hard disk drive cage down (see “Rotating the
hot-swap rear hard disk drive cage down” on page 169.
11. Install the server top cover (see “Replacing the server top cover” on page 260).
12. Reconnect the external cables; then, reconnect the power cords and turn on
the peripheral devices and the server.
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. Use this information to replace damaged or contaminated
thermal grease on the microprocessor and heat sink.
About this task
When you are installing the heat sink on the same microprocessor that is was
removed from, make sure that the following requirements are met:
v The thermal grease on the heat sink and microprocessor is not contaminated.
v Additional thermal grease is not added to the existing thermal grease on the
heat sink and microprocessor.
Note:
v Read the Safety information on page “Safety” on page vii.
v Read the “Installation guidelines” on page 32.
v Read “Handling static-sensitive devices” on page 34.
To replace damaged or contaminated thermal grease on the microprocessor and
heat exchanger, complete the following steps:
Procedure
1. Place the heat sink 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.
250 System x3650 M4 BD Type 5466: Installation and Service Guide
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