That means that merging all the components together does not usually yield a proper SPI/BIOS/UEFI image. AMI's BIOS Guard Firmware Update Tool (AFUBGT) updates components based on the user/OEM provided Parameters and Options or Index Information table, when applicable. Note that the AMI PFAT structure may not have an explicit component order. The output comprises only final firmware components which are directly usable by end users. It supports all AMI PFAT revisions and formats, including those with Index Information tables or nested AMI PFAT structures. PFAT, Platform Firmware Armoring Technology) images, extracts their SPI/BIOS/UEFI firmware components and decompiles the Intel BIOS Guard Scripts. Various BIOS Utilities for Modding/Research
