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About Your System | 23
AC Power LED Condition
Solid green Power supply is on (AC OK/DC OK) or in
standby mode (90 VAC-264 VAC for
470W/750W/1100W, 180 VAC-264 VAC for
1400W)
Solid yellow Power supply is at fault condition
(UVP/OVP/OCP/SCP/OTP/Fan Fault)
Off Power supply is off or AC input voltage is out
of normal operating range (90 VAC-264 VAC
for 470W/750W/1100W, 180 VAC-264 VAC
for 1400W)
BMC Heart Beat LED
The system board provides BMC heart beat LED (D5) for BMC debugs.
When BMC firmware is ready, the BMC heart beat LED blinks.
Figure 1-12. BMC Heart Beat LED
1 BMC heart beat LED 2 system board