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Design and Environmental Specifications Intel® Server Boards S5000PSL and S5000XSL TPS
Revision 1.2
Intel order number: D41763-003
74
The bi-color System Status LED operates as follows:
Table 36. System Status LED
Color State Criticality Description
Off N/A Not ready AC power off
Green /
Amber
Alternating
Blink
Not ready Pre DC Power On – 20-30 second BMC Initialization when AC is
applied to the server. Control Panel buttons are disabled until BMC
initialization is complete.
Green Solid on System OK System booted and ready.
Green Blink Degraded System degraded
• Unable to use all of the installed memory (more than one
DIMM installed).
• Correctable errors over a threshold of 10 and migrating to a
spare DIMM (memory sparing). This indicates that the user
no longer has spared DIMMs indicating a redundancy lost
condition. Corresponding DIMM LED should light up.
• In mirrored configuration, when memory mirroring takes
place and system loses memory redundancy. This is not
covered by (2).
• Redundancy loss such as power-supply or fan. This does
not apply to non-redundant sub-systems.
• PCI-e link errors
• CPU failure / disabled – if there are two processors and one
of them fails
• Fan alarm – Fan failure. Number of operational fans should
be more than minimum number needed to cool the system
• Non-critical threshold crossed – Temperature and voltage
Amber Blink Non-critical Non-fatal alarm – system is likely to fail
• Critical voltage threshold crossed
• VRD hot asserted
• Minimum number of fans to cool the system not present or
failed
• In non-sparing and non-mirroring mode if the threshold of
ten correctable errors is crossed within the window
Amber Solid on Critical, non-
recoverable
Fatal alarm – system has failed or shutdown
• DIMM failure when there is one DIMM present, no good
memory present
• Run-time memory uncorrectable error in non-redundant
mode
• IERR signal asserted
• Processor 1 missing
• Temperature (CPU ThermTrip, memory TempHi, critical
threshold crossed)
• No power good – power fault
• Processor configuration error (for instance, processor
stepping mismatch)
7.3.1 System Status LED – BMC Initialization
When the AC power is first applied to the system and 5V-STBY is present, the BMC
controller on the server board requires 5-10 seconds to initialize. During this time, the
system status LED will blink, alternating between amber and green, and the power button
functionality of the control panel is disabled preventing the server from powering up. Once