Table 36. LED status
Indicator Indicator description
○ LED Off
● LED on
B Blinking LED
*
LED Off : PFAULT
LED Blink : FAILSAFE Timeout
LED On : FAILSAFE Strike Out
Table 37. Power-up LED sequence
Power-Up Sequence
LED7 LED6 LED5 LED4 LED3 LED2 LED1 Description
○ ○ ○ ○ ○ ○ ● 2.5V_AUX EN. Waiting for 2.5V_AUX PG
○ ○ ○ ○ ○ ● ○ 1.8V_AUX EN. Waiting for 1.8V_AUX PG
○ ○ ○ ○ ○ ● ● 5V SW EN. CKMNG EN. Waiting for 5V SW PG
○ ○ ○ ○ ● ○ ○ V_PVNN EN. Waiting for V_PVNN PG
○ ○ ○ ○ ● ○ ● 1.05V SW EN. Waiting for 1.05V SW PG
○ ○ ○ ○ ● ● ○ V_VSBM EN. Waiting for V_VSBM PG
○ ○ ○ ○ ● ● ● V_VSB11 EN. Waiting for V_VSB11 PG
○ ○ ○ ● ○ ○ ● Waiting for PCH_SLP_SUS_N. PCH_RSMRST_N still asserted
○ ○ ○ ● ○ ● ○ Config check. Waiting for BMC to boot. PCH_RSMRST_N de-asserted
○ ○ ○ ● ○ ● ● Waiting for PWR button
○ ○ ○ ● ● ○ ○ 12V EN. Waiting for PSU* PG
○ ○ ○ ● ● ● ● 3.3V_AB EN. Waiting for 3.3V A+B PG
○ ○ ● ○ ○ ○ ○ BP VRs EN. Waiting for BP* PG
○ ○ ● ○ ○ ○ ● MEM VPP EN. Waiting for MEM VPP PGs
○ ○ ● ○ ○ ● ○ MEM VDDQ EN. Waiting for MEM VDDQ PGs
○ ○ ● ○ ○ ● ● MEM VTT EN. Waiting for MEM VTT PGs
○ ○ ● ○ ● ○ ○ CPU* VCCIO and PCIe clocks EN. Waiting for CPU VCCIO PGs
○ ○ ● ○ ● ○ ● CPU* VCORE/VSA EN. Waiting for CPU* VCORE+VSA PGs
○ ○ ● ○ ● ● ○ Waiting for NDC PG
○ ○ ● ○ ● ● ● Waiting for PCH PROCPWRGD
○ ○ ● ● ○ ○ ○ CPU* PG Asserted. SYS PWRGOOD Asserted
● ● ● ● ● ● ● RUN State
○ ○ ● ● ○ ● ○ PLTRST_N Asserted
○ ○ ● ● ○ ● ● CPU & MEM VR’s Shutdown
○ ○ ● ● ● ○ ○ MAIN Rails Shutdown (7 seconds)
Table 38. NvDIMM LED sequence
NvDIMM
LED7 LED6 LED5 LED4 LED3 LED2 LED1 Description
26 System diagnostics and indicator codes