5-1
CHAPTER
5
Servicing Infrastructure Boards and
Components
This chapter describes how to replace cold-swappable, field-replaceable units (FRUs)
in the Sun Fire X4150 Server.
The following topics are covered:
■ Section 5.1, “Servicing the Fan Power Boards” on page 5-1 (FRU)
■ Section 5.2, “Servicing the Drives Cage” on page 5-5 (FRU)
■ Section 5.3, “Servicing the Drives Backplane” on page 5-9 (FRU)
■ Section 5.4, “Servicing the Front Control Panel Light Pipe Assembly” on page 5-11
(FRU)
■ Section 5.5, “Servicing the Power Distribution Board (PDB)” on page 5-13 (FRU)
■ Section 5.6, “Servicing the Paddle Card” on page 5-16 (FRU)
■ Section 5.7, “Servicing Cables” on page 5-18 (FRU)
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.
5.1 Servicing the Fan Power Boards
You must remove both fan power boards to access the paddle card in the Sun Fire
X4150 Server.
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