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xiv SPARC Enterprise T5120 and T5220 Servers Service Manual • July 2009
Structure and Contents of This Manual
This manual is organized as described below:
■ “Identifying Server Components” on page 1
Identifies key components of the SPARC Enterprise T5120 and T5220 servers,
including major boards and internal system cables, as well as front and rear panel
features.
■ “Detecting and Managing Faults” on page 15
Describes the diagnostics that are available for monitoring and troubleshooting
the server.
■ “Preparing to Service the System” on page 57
Describes the steps necessary to prepare the servers for service.
■ “Servicing Hard Drives” on page 69
Explains how to remove and install hard drives.
■ “Servicing Motherboard Components” on page 81
Explains how to replace the motherboard and its components.
■ “Servicing Fan Modules” on page 123
Explains how to service faulty fan modules.
■ “Servicing Power Supplies” on page 129
Explains how to remove and replace power supply modules.
■ “Servicing Boards and Components” on page 137
Explains how to service infrastructure boards and components.
■ “Returning the Server to Operation” on page 175
Describes how to bring the server back to operation after performing service
procedures.
■ “Identifying FRUs in SPARC Enterprise T5120 Servers” on page 181
Identifies and illustrates Field Replaceable Units (FRUs) contained in SPARC
Enterprise T5120 servers.
■ “Identifying FRUs in SPARC Enterprise T5220 Servers” on page 195
Identifies and illustrates Field Replaceable Units (FRUs) contained in SPARC
Enterprise T5220 servers.