Servicing Infrastructure Boards And Components - Sun Microsystems Sun Fire X4450 Service Manual

5
C H A P T E R
Servicing Infrastructure Boards and
Components
This chapter describes how to replace cold-swappable, field-replaceable units (FRUs)
in the
The following topics are covered:
Section 5.1, "Servicing the Fan Power Boards" on page 5-2
■
Section 5.2, "Servicing the Drives Cage" on page 5-5
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Section 5.3, "Servicing the Drives Backplane" on page 5-8
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Section 5.4, "Servicing the Front Control Panel Light Pipe Assembly" on page 5-10
■
(FRU)
Section 5.5, "Servicing the Power Distribution Board (PDB)" on page 5-12
■
Section 5.6, "Servicing the Power Supply Backplane" on page 5-15
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Section 5.7, "Servicing the Paddle Card" on page 5-17
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Section 5.8, "Servicing Cables" on page 5-19
■
Caution – Never attempt to run the server with the covers removed. Hazardous
voltage present.
Caution – Equipment damage possible. The covers must be in place for proper air
flow.
Sun Fire X4450 server.
(FRU)
(FRU)
(FRU)
(FRU)
(FRU)
(FRU)
(FRU)
5-1