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:
■ Section 8.1, “PCI Cassette Replacement” on page 8-4
■ Section 8.2, “PCI Card Replacement” on page 8-7
■ Section 8.3, “I/O Unit Replacement” on page 8-10
■ Section 8.4, “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 Section 14.1, “Backplane Unit Replacement” on page 14-1
for remove and replace procedures.