Chapter 4 Servicing Motherboard Components 4-35
Note – FRU: This field-replaceable unit should be replaced only by qualified service
technicians. Contact your Sun Service representative for assistance.
A CPU FRU requires trained personnel to apply thermal grease. For Xoption CPUs,
the grease is preinstalled.
See Section 1.5, “Illustrated Parts Breakdown” on page 1-8 for illustrations of the
server and CPUs.
4.9.1 CPU Fault Remind Button
If you are replacing a faulty CPU, press the Remind button on the motherboard to
locate the CPU that you want to replace. (
FIGURE 4-19)
The faulty CPU LED flashes when the Fault Remind button is pressed and held. All
faulty CPUs are indicated with an amber LED, so that you can install the replacement
CPU in the same location.
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