
56
Onboard LEDs
EZ Debug LED
These LEDs indicate the debug status of the motherboard.
CPU
- indicates CPU is not detected or fail.
DRAM
- indicates DRAM is not detected or fail.
VGA
- indicates GPU is not detected or fail.
BOOT
- indicates the booting device is not detected
or fail.
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.
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, …)
Summary of Contents for MEG Z690 UNIFY
Page 4: ...4 Quick Start Installing a Processor https youtu be KMf9oIDsGes 1 2 3 6 4 5 7 8 9 ...
Page 5: ...5 Quick Start Installing DDR5 memory https youtu be XiNmkDNZcZk DIMMB1 DIMMA1 DIMMB1 ...
Page 9: ...9 Quick Start Installing SATA Drives http youtu be RZsMpqxythc 1 2 3 4 5 ...
Page 10: ...10 Quick Start 1 Installing a Graphics Card http youtu be mG0GZpr9w_A 2 3 4 5 6 ...
Page 11: ...11 Quick Start Connecting Peripheral Devices ...