Mmtool 4.50.0.23

Legacy motherboards (such as Intel Z77, Z87, or X79 systems) support NVMe drives as secondary storage but cannot natively read the drive's file system during the initial POST phase. By using MMTool 4.50.0.23, users inject modules like NvmExpressDxe_5.ffs directly into the firmware layout. This allows users to boot modern M.2 NVMe SSDs via PCIe adapter cards. MMTool method creates unusable bios, UEFITool OC issue. #98

Are you trying to unlock support, or are you updating CPU support ? mmtool 4.50.0.23

If your motherboard has features you never use (such as legacy floppy drive support or certain RAID controllers), you can remove their modules to free up space in the BIOS‘s limited storage capacity. Legacy motherboards (such as Intel Z77, Z87, or

MMTool is completely portable — it does not install system files, modify the Windows registry, or leave traces on your computer. This makes it ideal for use on multiple systems or from USB drives. MMTool method creates unusable bios, UEFITool OC issue