System Board Overview; Before You Begin - Sun Microsystems SPARC classic Service Manual

10
C H A P T E R

System Board Overview

This chapter describes how to prepare for replacing the system board and its
components and assemblies when you are replacing parts. Each SPARCclassic/
SPARCclassic X/SPARCstation LX system board is illustrated and their customer
replaceable units (CRUs) identified.
Section 10.1 "Before You Begin"
Section 10.2 "Damage Prevention"
Section 10.3 "Handling System Boards and Assemblies"
Section 10.4 "Main Logic Board Layouts"
Section 10.5 "Identifying Replaceable System Board Components"
10.1

Before You Begin

Before you begin to replace CRUs, make sure you do the following:
Halt your system
Gather the proper tools
Disconnect external peripherals (if any)
Open the system unit
Attach a wrist strap
Instructions for the procedures listed above are described in Chapter , "Power Off
and On, and in Chapter , "Internal Access.
10-1