Asus P9X79-E Computer Hardware User Manual


 
2.2.7 Onboard LEDs
1. Diagnosis LED
These diagnosis LEDs of CPU, DRAM, VGA card, and HDD indicate key component
status during POST (Power-on Self Test), providing an elegant embellishment to the
motherboard design. The LED lights will ash sequentially during system bootup. If an
error is found, the LED next to the error device will continue lighting until the problem is
solved. This user-friendly design provides an intuitional way to locate the root problem
in seconds.
2. EPU LED
The EPU LED lights when the EPU switch is turned to Enable.
ASUS P9X79-E WS
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