
xiv SPARC Enterprise T5120 and T5220 Servers Service Manual • July 2009
Structure and Contents of This ManualThis manual is organized as described below:
■“Identifying Server Components” on page 1
Identifies key components of the SPARCEnterprise T5120 and T5220 servers,
including major boards and internal system cables, as well as frontand rear panel
features.
■“Detecting and Managing Faults” on page15
Describes the diagnostics that are available for monitoring and troubleshooting
the server.
■“Preparing to Service the System” on page57
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” onpage 175
Describes how to bring the server back to operation after performing service
procedures.
■“Identifying FRUs in SPARCEnterprise T5120 Servers” on page 181
Identifies and illustrates Field Replaceable Units (FRUs) contained in SPARC
Enterprise T5120 servers.
■“Identifying FRUs in SPARCEnterprise T5220 Servers” on page 195
Identifies and illustrates Field Replaceable Units (FRUs) contained in SPARC
Enterprise T5220 servers.