Advantech AIMB-287 User Manual page 85

3.2.2.13 CSM Configuration
Advance →CSM Configuration
CSM Support [Disabled]

Note! If your HDD or other boot device is installed as Legacy mode, it may
cause a blue screen crash. There are 2 ways to solve this:
1.
2.
* Boot option filter-> Legacy Only
* Network -> Legacy
* Storage -> Legacy
* Video -> Legacy
* Other PCI devices -> Legacy
Re-install your OS in UEFI Mode.
Change all of settings above as "Legacy":
75 AIMB-287 User Manual