Asus P9X79 DELUXE - Manual (Page 40)

2-20 Chapter 2: Hardware information
Chapter 2
2.2.6 Onboard LEDs
1. Standby Power LEDs
The Standby Power LEDs will light up once the system is connected to a power source.
2. Q-LEDs
These ID 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 flash 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
within a second.
CPU/ DRAM/