Asus X79-DELUXE - Manual (Page 45)

ASUS X79-DELUXE 1-31
Chapter 1
3. EPU LED
The EPU LED lights up when the EPU switch is enabled.
4. Q-Code LEDs
The Q-Code LED design provides you with a 2-digit error code that displays the system
status. Refer to the Q-Code table on the next page for details.