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14-1
CHAPTER
14
Backplane Unit Replacement
The backplane unit is composed of the power supply and I/O backplane. The
SPARC Enterprise M5000 backplane unit also includes the bus bar. Removing and
replacing the backplane unit requires shutting the server down entirely and
removing the I/O units, power supplies, and the motherboard. This chapter contains
the following topic:
■ “Backplane Unit Replacement” on page 14-1
14.1 Backplane Unit Replacement
The backplane unit is a cold replacement component. This means the entire server
must be powered off and the power cords disconnected to replace the backplane
unit.