Sun Microsystems 220R service manual Removing and Replacing Backplanes and Cables, 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:

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

4Section 5.4 “How to Replace the Power Distribution Board” on page 151 Section 5.5 “How to Connect the System Cables” on page 155

5.1How to Remove the UltraSCSI Backplane

5.1.1Before 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

4Section 2.4 “How to Position the System for Service” on page 60 Section 2.6 “How to Remove the System Cover” on page 65

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