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7.2.1
System Status LED
NOTE: The Status LED is controlled by the BMC but the BIOS informs the BMC of the state to which the
Status LED should be set.
The System Status LED has specific states that are described in the following table but the actual state of the
Status LED is indicative of one or more of the conditions listed. When multiple conditions are indicated to
the BMC, the BMC reflects in the Status LED the highest severity of the conditions which have been reported
to it. There are also conditions for which the BIOS is not responsible which may set the Status LED to the
same or higher level of severity.
LED
LED
color
Activity
state
Off
Off
System is not operating.
Green
Solid
System is operating normally.
On
Green
Blink
System is operating in a degraded state although
still functional, or system is operating in a
redundant state but with an impending failure
warning.
Amber
Blink
System is operating in a degraded state with an
impending
functioning.
Amber
Solid
Critical/Fatal – system is halted.
On
The BMC-detected states are included in the LED states. For fault states that are monitored by the BMC
sensors, the contribution to the LED state follows the associated sensor state, with priority given to the most
critical asserted state.
When the server is powered down (transitions to the DC-off state or S5), the BMC is still on standby power
and retains the sensor and front panel status LED state established before the power-down event.
49
Intel® Server System R1000SPO Product Family TPS
Table 33. System Status LED Indicator States
State
failure
warning,
although
BIOS Status description
System AC power is off.
System is running (in S0 State) and no error
conditions affecting the Status LED have been
observed.
1. Unable to use all of the installed memory (one or
more DIMMs failed/disabled but functional memory
remains available).
2. Correctable memory error threshold has been
reached for a failing DDR4 DIMM in memory Sparing
Mode, causing Loss of Redundancy.
3. Uncorrectable memory error has occurred in
memory
Mirroring
Redundancy.
4. Correctable memory error threshold has been
reached for a failing DDR4 DIMM when the system is
operating in fully redundant RAS Mirroring Mode.
Correctable memory error threshold has been
still
reached for a failing DDR4 DIMM when the system is
operating in a non-redundant mode.
1. Fatal Error in processor initialization.
o Processor family not identical
o Processor model not identical
o Processor core/thread counts not identical
o Processor cache size not identical
o Unable to synchronize processor frequency
o Unable to synchronize QPI Link frequency
2. Uncorrectable memory error in a non-redundant
mode.
Mode,
causing
Loss
of
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