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Servicing Motherboard Components
These topics explain how to replace the motherboard and its components in the
SPARC Enterprise T5120 and SPARC Enterprise T5220 servers.
■ “Servicing FB-DIMMs” on page 81
■ “Servicing the Air Duct” on page 100
■ “Servicing PCIe/XAUI Risers” on page 102
■ “Servicing the Battery” on page 112
■ “Servicing the SCC Module” on page 114
■ “Servicing the Motherboard Assembly” on page 117
Related Information
■ “Infrastructure Boards in SPARC Enterprise T5120 Servers” on page 2
Servicing FB-DIMMs
These topics explain how to identify, locate, and replace faulty FB-DIMMs. They also
describe procedures for upgrading memory capacity and provide guidelines for
achieving and maintaining valid memory configurations.
■ “Memory Fault Handling Overview” on page 82
■ “Identify Faulty FB-DIMMs Using the show faulty Command” on page 83
■ “Identify Faulty FB-DIMMs Using the FB-DIMM Fault Locator Button” on page 83
■ “Remove FB-DIMMs” on page 85
■ “Install Replacement FB-DIMMs” on page 87
■ “Verify Successful Replacement of Faulty FB-DIMMs” on page 89
■ “Upgrade Memory Configuration With Additional FB-DIMMs” on page 91
■ “FB-DIMM Configuration Guidelines” on page 95
■ “FB-DIMM Configuration Reference” on page 96