22 SPARC Enterprise T5120 and T5220 Servers Service Manual • July 2009
Detecting Faults With ILOM

These topics explain how to use ILOM, the service processor firmware, to diagnose

faults and verify successful repairs.

■“ILOM Troubleshooting Overview” on page 23
■“Service-Related ILOM Command Summary” on page26
Related Information
■.“POST Overview” on page 35
■“ILOM Properties that Affect POST Behavior” onpage 35
Harddrive • Service Required LED (front and rear panel)
• Individual hard drive Fault LED
See these sections:
•“HardDrive Servicing Overview”on
page69
•“HardDrive LEDs”on page 70
•“Remove a Hard Drive” on page 71
•“Install a Hard Drive” on page 73
FB-DIMM • ServiceRequired LED (front and rear panel)
• FB-DIMM Fault LED on motherboard
(when FB-DIMM Locate button is pressed)
See these sections:
•“Servicingthe Motherboard Assembly” on
page117
•“Identify Faulty FB-DIMMs Using the
show faulty Command” on page 83
•“Identify Faulty FB-DIMMs Using the
FB-DIMM Fault Locator Button” on
page83
Other
components
• Service Required LED (front and rear panel) Note - Not all components have an
individual component Fault LED. If the
Service RequiredLED is lit,use the show
faulty command to obtain additional
information about the component affected.
•“Identify Faulty FB-DIMMs Using the
show faulty Command” on page 83
TABLE: SystemFaults and the Corresponding LED States (Continued) (Continued)
ComponentFault FaultLEDs Lit AdditionalInformation