I’m looking for (previously modded F10 BIOS (by fernando)) it is posted but file not available.
Search results for ‘G1.sniper 5’ - Win-Raid Forum (level1techs.com)
EDIT: The start working yourself on it: [HowTo] Get full NVMe Support for all Systems with an AMI UEFI BIOS - Special Topics / NVMe Support for old Systems - Win-Raid Forum (level1techs.com)
Those are both different boards.