PhoenixTool (specifically version 2.73) is a popular utility created by and hosted primarily on the My Digital Life (MDL) community forums. It is used by enthusiasts and technicians to modify BIOS files for motherboards using Phoenix, Insyde, or EFI firmware. Overview of PhoenixTool 2.73
Once changes are made, the tool repacks the modules into a new, flashable BIOS image. Risk Warning phoenixtool 2.73 x64 download