8-1
CHAPTER
8
I/O Unit Replacement
This chapter describes how to remove and install the I/O unit and PCI cassettes. The
information is organized into the following topics:
■ “PCI Cassette Replacement” on page 8-4
■ “PCI Card Replacement” on page 8-7
■ “I/O Unit Replacement” on page 8-10
■ “I/O Unit DC-DC Converter Replacement” on page 8-12
The I/O units are accessed from the rear of the server. The I/O unit backplane is
part of the backplane unit. See “Backplane Unit Replacement” on page 14-1 for
remove and replace procedures.