Short for extensible firmware interface, efi is a new firmware standard developed by intel and introduced with the release of ia-64 that greatly improves the features available in the bios. the efi specification has been made into a general standard known as uefi. efi changes.. A file with the efi file extension is an extensible firmware interface file. efi files are boot loader executables, exist on uefi (unified extensible firmware interface) based computer systems, and contain data on how the boot process should proceed. most of the time, this efi file is stored on a. In 2007, intel, amd, microsoft, and pc manufacturers agreed on a new unified extensible firmware interface (uefi) specification. this is an industry-wide standard managed by the unified extended firmware interface forum, and isn’t solely driven by intel.uefi support was introduced to windows with windows vista service pack 1 and windows 7..
Uefi forum’s new industry resources page features presentations, articles and other collateral from thought leaders in firmware and platform security. find our newest resources below: view the how to become a uefi security superhero infographic. view the uefi membership datasheet here. view the what is a uefi plugfest video.. Efi (extensible firmware interface) is a specification for a new generation of system firmware. an implementation of efi, stored in rom or flash ram, provides the first instructions used by the cpu to initialize hardware and pass control to an operating system or bootloader.. The uefi settings can be adjusted only during system startup. to load the uefi firmware settings menu: shut down your surface. press and hold the volume-up button on your surface and at the same time, press and release the power button..