Supermicro A+ Server AS-2015CS-TNR User Manual page 72

Onboard Power OK LED (LED7)
LED7 is an onboard power OK LED. When this LED7 is lit, it means the system is turned
on, and all the system power rails are ready. When the system is turned off, or any one of
the system power rails fail, this LED will turn off. Turn off the system, and unplug the power
cable before removing or installing any component(s).
Onboard Power
LED Indicator
LED Color State
None Off
Green Solid On
Green Blinking
72
Chapter 4: Motherboard Connections
Definition
System Off
System On
System Recovery