Service manual

10-1
CHAPTER
10FS
Motherboard and Component
Replacement
This chapter describes how to remove and replace the Ultra 2 series motherboard
and motherboard components.
This chapter contains the following topics:
■ Section 10.1 “CPU Module” on page 10-1
■ Section 10.2 “NVRAM/TOD” on page 10-4
■ Section 10.3 “SBus Card” on page 10-6
■ Section 10.4 “UPA Graphics Card (Workstation Only)” on page 10-11
■ Section 10.5 “DSIMM” on page 10-16
■ Section 10.6 “Motherboard” on page 10-20
10.1 CPU Module
To remove and replace a CPU module, proceed as follows.
10.1.1 Removing a CPU Module
1. Power off the system unit.
See Section 6.2 “Powering Off the System Unit” on page 6-2.
2. Remove the system unit cover.
See Section 7.1 “Removing the System Unit Cover” on page 7-1.