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4 Field replaceable units
This chapter describes the removal of field-replaceable server components.
Microprocessor removal
This section includes the guidelines to follow and the instructions for removing a microprocessor.
Removal Guidelines
Read these important guidelines before removing a microprocessor that is not faulty (for example,
when replacing the system board assembly).
Attention: Do not use a thermal grease syringe with this FRU.
If you are not replacing a defective heat sink or microprocessor, the grease on the heat sink and
microprocessor will remain effective if you perform the following steps:
1. Carefully handle the heat sink and microprocessor when removing or installing these
components. Do not touch the grease or otherwise allow it to become contaminated.
2. For dual-microprocessor systems, since the microprocessor and the heat sink are a matched set,
first transfer the heat sink and microprocessor from one socket to the new system board; then,
transfer the other heat sink and microprocessor. (This will ensure that the grease remains evenly
distributed between each heat sink and microprocessor.)
Notes:
•
The heat sink FRU is packaged with the thermal grease applied to the underside. This thermal
grease is not available as a separate FRU. The heat sink must be replaced when new grease is
required, such as when a defective microprocessor is replaced or if the grease is contaminated.
•
If you need to install a new heat sink for any reason, first remove the thermal grease from the
microprocessor with an alcohol pad before attaching the new heat sink.
•
A heat sink FRU can be ordered separately if the grease becomes contaminated.
Removal procedure
Complete the following steps to remove a microprocessor:
•
Read “Installation guidelines” on page 17.
•
Read the safety notices at “Safety and regulatory information” on page vii.
•
Read “Handling static-sensitive devices” on page 17.
1. Shut down the operating system, turn off the blade server, and remove the blade server from the
SBCE unit (see “Removing the blade server from the SBCE unit” on page 19).
2. Carefully lay the blade server on a flat, non-conductive surface.
3. Open the blade server cover (see “Opening the blade server cover” on page 20 for instructions).
4. Remove the bezel assembly (see “Removing the blade server bezel assembly” on page 21 for
instructions).
5. Identify the microprocessor to be removed.
✏
NOTE
If you are replacing a failed microprocessor, verify that you have selected the correct
microprocessor for replacement (see “Light Path Diagnostics” on page 108).
6. Remove the heat sink:
Summary of Contents for 8832L1X
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