Onboard LEDs

POST State LEDs

The POST State LEDs provide the status of these key components during POST (Power-On-Self Test): CPU, memory modules, VGA card, and hard disk drives. If an error is found, the critical component’s LED stays lit up until the problem is solved.

X399-A_POST_State_LED.JPG

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.

X399-A_Q-Code_LED.JPG

Q-Code table

X399-A_Q-Codes_Part_1.JPG

X399-A_Q-Codes_Part_2.JPG

X399-A_Q-Codes_Part_3.JPG

X399-A_Q-Codes_Part_4.JPG