Make a dump of the current bios on the system with Intel FPT tool, version for your chipset, tool is in the ME tools section.
https://winraid.level1techs.com/t/intel-converged-security-trusted-execution-engine-drivers-firmware-and-tools
Then use guide: [[HowTo] Get full NVMe support for all Systems with an AMI UEFI BIOS - Special Topics / NVMe Support for old Systems - Win-Raid Forum https://winraid.level1techs.com/t/howto-get-full-nvme-support-for-all-systems-with-an-ami-uefi-bios