Intel® Server Board S5500WB TPS Connector / Header Locations and Pin-out
Revision 1.3
Intel order number E53971-004
57
Table 34. System Status LED
Color State System Status Description
Green Solid on Ok System ready
Green ~1 Hz
blink
Degraded BIOS detected
1. Unable to use all of the installed memory (more than
one DIMM installed).
1
2. In a mirrored configuration, when memory mirroring
takes place and system loses memory redundancy.
This is not covered by (2).
1
3. PCI Express* correctable link errors.
Integrated BMC detected
1. Redundancy loss such as a power supply or fan.
Applies only if the associated platform subsystem
has redundancy capabilities.
2. CPU disabled – if there are two CPUs and one CPU
is disabled.
3. Fan alarm – Fan failure. Number of operational fans
should be more than minimum number needed to
cool the system.
4. Non-critical threshold crossed – Temperature,
voltage, power nozzle, power gauge, and
PROCHOT2 (Therm Ctrl) sensors.
5. Battery failure.
6. Predictive failure when the system has redundant
power supplies.
Amber ~1 Hz
blink
Non-Fatal Non-fatal alarm – system is likely to fail:
BIOS Detected
1. In non-mirroring mode, if the threshold of ten
correctable errors is crossed within the window.
1
2. PCI Express* uncorrectable link errors.
Integrated BMC Detected
3. Critical threshold crossed – Voltage, temperature,
power nozzle, power gauge, and PROCHOT (therm
Ctrl) sensors.
4. VRD Hot asserted.
5. Minimum number of fans to cool the system is not
present or have failed.
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