
92 SPARC Enterprise T5440 Server Service Manual • July 2009
The following LEDs are lit when a power supply fault is detected:
■ Front and rear Service Required LEDs
■ Rear PS Failure LED on the bezel of the server
■ Fault LED mode on the faulty power supply
The front and rear panel Service Required LEDs are also lit if the system detects a
power supply fault.
See “Front Panel LEDs” on page 4 and “Rear Panel LEDs” on page 7 for more
information about identifying and interpreting system LEDs.
See “Power Supply LED” on page 91 for specific information about power supply
status LEDs.
Related Information
■ “Managing Faults” on page 9
■ “Hot-Pluggable and Hot-Swappable Devices” on page 72
■ “Front Panel LEDs” on page 4
■ “Rear Panel LEDs” on page 7
Servicing PCIe Cards
Up to eight low-profile PCIe cards may be installed in the system. All slots are wired
to x8 PCIe lanes. Slot 1 and Slot 7 support graphics cards with x16 connectors. Slot 4
and Slot 5 also support 10-Gbyte Ethernet cards (XAUI cards). When a XAUI card is
installed, a PCIe card cannot be installed in the same slot.
Related Information
■ “PCIe Device Identifiers” on page 96
Green AC present/system
powered on
System is powered on.
Blinking amber Fault Voltage overcurrent or other power fault.
Amber Fault Internal power supply failure or power supply
fan failure.
TABLE: Power Supply Status LEDs (Continued) (Continued)
LED State Meaning Notes
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