The EFI specification defines a new model for the interface between operating systems and platform firmware. The interface consists of data tables that contain platform-related information, plus boot and runtime service calls that are available to the operating system and its loader. Together, these provide a standard environment for booting an operating system and running pre-boot applications.
The EFI specification is primarily intended for the next generation of IA architecture-based computers, and is an outgrowth of the "Intel® Boot Initiative" (IBI) program that began in 1998.
In 2005 the Unified EFI Forum was formed. Using the EFI 1.10 specification as the staring point, this industry group is responsible for developing, managing and promoting the UEFI specification. Please refer to the UEFI site for more information on UEFI and for accessing UEFI specifications.
For more information about EFI, see EFI presentations.
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