
viii SPARC Enterprise T5120 and T5220 Servers Service Manual • July 2009
▼Remove the Top Cover 67
Servicing Hard Drives 69
Hard Drive Servicing Overview 69
Hard Drive LEDs 70
▼Remove a Hard Drive 71
▼Install a Hard Drive 73
Four-Drive Capable Backplane Configuration Reference 77
Eight-Drive Capable Backplane Configuration Reference 78
Sixteen-Drive Capable Backplane Configuration Reference 79
Servicing Motherboard Components 81
Servicing FB-DIMMs 81
Memory Fault Handling Overview 82
▼Identify Faulty FB-DIMMs Using the show faulty Command 83
▼Identify Faulty FB-DIMMs Using the FB-DIMM Fault Locator
Button 83
▼Remove FB-DIMMs 85
▼Install Replacement FB-DIMMs 87
▼Verify Successful Replacement of Faulty FB-DIMMs 89
▼Upgrade Memory Configuration With Additional FB-DIMMs 91
FB-DIMM Configuration Guidelines 95
Guidelines for Upgrading Memory 95
When Replacing Faulty FB-DIMMs 95
FB-DIMM Configuration Reference 96
Servicing the Air Duct 100
▼Remove the Air Duct 100
▼Install the Air Duct 101
Servicing PCIe/XAUI Risers 102
PCIe/XAUI Riser Overview 102