Removing and replacing backplanes and cables, 1 how to remove the ultrascsi backplane, 1 before you begin – Sun Microsystems 220R User Manual
Page 141
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:
4
Section 5.1 “How to Remove the UltraSCSI Backplane” on page 141
4
Section 5.2 “How to Replace the UltraSCSI Backplane” on page 144
4
Section 5.3 “How to Remove the Power Distribution Board” on page 147
4
Section 5.4 “How to Replace the Power Distribution Board” on page 151
4
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:
4
Section 4.1 “How to Remove a Disk Drive” on page 127
4
Section 2.1 “How to Power Off the System” on page 54
4
Section 2.4 “How to Position the System for Service” on page 60
4
Section 2.6 “How to Remove the System Cover” on page 65
141