User Manual

Table Of Contents
51
Onboard LEDs
Debug Code LED
Debug Code LED
The Debug Code LED displays progress and error codes during and after POST. Refer
to the Debug Code LED table for details.
LED_SW1: EZ LED Control
This switch is used to switch on/ off all the LEDs of motherboard.
LED_SW1
Hexadecimal Character Table
Hexadecimal 0 1 2 3 4 5 6 7 8 9 A B C D E F
Debug Code
LED display
0 1 2 3 4 5 6 7 8 9 A B C D E F
Boot Phases
Security (SEC) – initial low-level initialization
Pre-EFI Initialization (PEI) – memory initialization
Driver Execution Environment (DXE) – main hardware initialization
Boot Device Selection (BDS) – system setup, pre-OS user interface & selecting a
bootable device (CD/DVD, HDD, USB, Network, Shell, …)
LED_OFF
LED_ON
(Default)