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CHAPTER 5
Removing and Replacing Backplanes
and Cables
This chapter describes how to remove and replace backplanes and cables within the
system. For a list of part numbers for field-replaceable units and optional equipment,
see Appendix D.
The following tasks are covered in this chapter:
Section 5.1 “How to Remove the UltraSCSI Backplane” on page 141
Section 5.2 “How to Replace the UltraSCSI Backplane” on page 144
Section 5.3 “How to Remove the Power Distribution Board” on page 147
Section 5.4 “How to Replace the Power Distribution Board” on page 151
Section 5.5 “How to Connect the System Cables” on page 155
5.1 How to Remove the UltraSCSI
Backplane
5.1.1 Before You Begin
Complete these tasks:
Section 4.1 “How to Remove a Disk Drive” on page 127
Section 2.1 “How to Power Off the System” on page 54
Section 2.4 “How to Position the System for Service” on page 60
Section 2.6 “How to Remove the System Cover” on page 65
141