Asus P8C WS User Manual page 31

3. EPU LED
The EPU LED lights up when the EPU switch is turned to Enable.
4. Standby power LED
The motherboard comes with a standby power LED that lights up to indicate that the
system is ON, in sleep mode, or in soft-off mode. This is a reminder that you should
shut down the system and unplug the power cable before removing or plugging in any
motherboard component. The illustration below shows the location of the onboard LED.
ASUS P8C WS
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