User’s Manual

1-22
Chapter 1: Product Introduction
Chapter 1
40. Q-Code LED
The Q-Code LED design provides you with a 2-digit error code that displays the
system status.
Q_CODE
• The Q-Code LEDs provide the most probable cause of an error code as a starting
point for troubleshooting. The actual cause may vary from case to case.
• Please refer to the Q-Code table in the Appendix section for more details.
41. Q-LEDs
The Q-LEDs check key components (CPU, DRAM, VGA, and booting devices) during
the motherboard booting process. If an error is found, the critical component’s LED
stays lit up until the problem is solved.
CPU (RED)
DRAM (YELLOW)
VGA (WHITE)
BOOT (YELLOW GREEN)
The Q-LEDs provide the most probable cause of an error code as a starting point for
troubleshooting. The actual cause may vary from case to case.
43. BMC LED
The BMC LED works with the ASUS ASMB management device and indicates its
initiation status. When the PSU is plugged and the system is OFF, ASUS ASMB
management device starts system initiation for about one (1) minute. The BMC LED
blinks after system initiation finishes.
BMC_LED
42. BIOS FlashBack™ LED
The BIOS FlashBack™ LED lights up or blinks to indicate the status of the BIOS
FlashBack™.
FLBK_LED
Refer to the BIOS update utility section for more information on using the BIOS
FlashBack™ feature.