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System Upgrade Procedure
This chapter gives detailed instructions for upgrading your Sun Enterprise 4000
system. The upgrade procedure includes:
■ Powering off the system—page 1
■ Removing all Boards and Assemblies—page 2
■ Removing the Outer Panels—page 5
■ Replacing the Centerplane—page 5
■ Replacing the Outer Panels
■ Replacing all Boards and Assemblies—page 12
■ Replacing the Clock Board—page 13
■ Replacing the CD-ROM Drive—page 15
■ Updating the System Flash PROM—page 14
■ Powering on the System—page 17
Powering Off the System
1. Halt the system using the appropriate commands and wait for the system-halted
message and the boot monitor prompt.
Refer to the Solaris Handbook for SMCC Peripherals that corresponds to your operating
system.
Caution – Failure to halt the operating system properly can result in a loss of disk
drive data.
2. Turn off the system power in this order:
a. External drives and expansion cabinets (if any)
b. System cabinet