a. Partially tighten screw
1
, then firmly tighten screw
3
, and then return to screw
1
and firmly tighten
it. Do not over-tighten the screws.
b. Partially tighten screw
2
, then firmly tighten screw
4
, and then return to screw
2
and firmly tighten
it. Do not over-tighten the screws.
1
2
3
4
Figure 69. Installing the screws to secure the heat sink
10. If you are instructed to return the old heat sink, follow all packaging instructions and use any packaging
materials that are supplied to you for shipping.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to “Completing the parts replacement” on page 135.
Installing or replacing the microprocessor
This topic contains the following information:
•
“Installing the second microprocessor” on page 97
•
“Replacing the microprocessor” on page 101
Installing the second microprocessor
Attention:
Do not open your storage product or attempt any repair before reading and understanding “Safety
information” on page iii and “Guidelines” on page 49.
Depending on the model, your storage product might come with one or two microprocessors. For storage
product models with one microprocessor, the microprocessor is installed in the microprocessor socket 1 and
the microprocessor socket 2 is protected by a plastic socket cover. You can purchase a microprocessor
option kit from Lenovo and install the second microprocessor to expand system capabilities.
CAUTION:
Turn off the storage product and wait several minutes to let the storage product cool before removing
the storage product cover.
Chapter 6
.
Replacing hardware
97
Summary of Contents for Storage N4610
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