[Offer] Gigabyte GA-970A-DS3P rev2.x BIOS Mod NVME Added

BIOS/UEFI Modding Offers: Already modded special BIOSes
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Follow the guide here: [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)

Use the MMtool method.

EDIT: Glad you made it, enjoy it.