: If you are trying to update microcode for a Spectre patch, many community members now recommend using UBU (UEFI BIOS Updater)
Insert, delete, and extract modules or Option ROM images. mmtool 326zip
Many Z77, Z87, H61, and X79 motherboards lack NVMe boot capability. Using mmtool 326zip, you can insert a standard NVMe DXE driver into the BIOS, flash the modified ROM, and boot from a PCIe NVMe SSD. : If you are trying to update microcode