Asus Maximus VI Extreme User Manual page 45

3. Q LED
Q LEDs check key components (CPU, DRAM, VGA card, and booting devices) in
sequence during motherboard booting process. If an error is found , the corresponding
LED will continue lighting until the problem is solved. This user-friendly design provides
an intuitive way to locate the root problem within seconds.
4. Power LED
The motherboard comes with a power-on button 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
power-on button.
ASUS MAXIMUS VI EXTREME 1-29