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