Asus BM6630/BM6330/BP6230 NVME BOOT SUPPORT

Perform safe keep backup of the current bios.
Start working, guides here:

[Guide] How to flash a modded AMI UEFI BIOS - BIOS/UEFI Modding / BIOS Modding Guides and Problems - Win-Raid Forum (level1techs.com)

[Guide] How to flash a modded AMI UEFI BIOS - BIOS/UEFI Modding / BIOS Modding Guides and Problems - Win-Raid Forum (level1techs.com)

EDIT: “Cant build…” explain your issue.