ECS ED20PA2 User Manual page 23

Depending on which OS you have installed, you will need to set following
two features accordingly in your BIOS setup menu to get your operating
system booting properly.
Feature name
8254 Clock Gating
CPU Monitor MWAIT
Note: Your Linux will not boot if these two features are enabled.
Windows 8.x/10
Enabled
Enabled
15
Linux
Disabled
Disabled