UEFI
| Unified Extensible Firmware Interface | |
|---|---|
| Abbreviation | UEFI |
| Status | Published |
| Year started | 2006[a] |
| Latest version | 2.11[1] December 16, 2024 |
| Organization | UEFI Forum |
| Related standards |
|
| Predecessor | BIOS on IBM PC compatible computers[b] |
| Domain | Firmware |
| Website | uefi |
Unified Extensible Firmware Interface (UEFI, /ˈjuːɪfaɪ/ as an acronym)[c] is a specification for the firmware architecture of a computing platform. When a computer is powered on, the UEFI implementation is typically the first that runs, before starting the operating system. Examples include AMI Aptio, Phoenix SecureCore, TianoCore EDK II, and InsydeH2O.
UEFI replaces the BIOS that was present in the boot ROM of all personal computers that are IBM PC compatible,[5][6] although it can provide backwards compatibility with the BIOS using CSM booting. Unlike its predecessor, BIOS, which is a de facto standard originally created by IBM as proprietary software, UEFI is an open standard maintained by an industry consortium. Like BIOS, most UEFI implementations are proprietary.
Intel developed the original Extensible Firmware Interface (EFI) specification. The last Intel version of EFI was 1.10 released in 2005. Subsequent versions have been developed as UEFI by the UEFI Forum.
UEFI is independent of platform and programming language, but C is used for the reference implementation TianoCore EDKII.
Cite error: There are <ref group=lower-alpha> tags or {{efn}} templates on this page, but the references will not show without a {{reflist|group=lower-alpha}} template or {{notelist}} template (see the help page).
- ^ "UEFI Forum Releases the UEFI 2.11 Specification and the PI 1.9 Specification To Streamline User Implementations | Unified Extensible Firmware Interface Forum". uefi.org. UEFI Forum. Retrieved 22 December 2024.
- ^ "Documentation - Winbond".
- ^ "Microsoft Surface Laptop 7 (13.8-inch) Chip ID". 22 June 2024.
- ^ Zimmer, Vincent; Rothman, Michael; Marisetty, Suresh (2017). Beyond BIOS: Developing with the Unified Extensible Firmware Interface, Third Edition. Walter de Gruyter GmbH & Co KG. ISBN 978-1-5015-0569-0.
- ^ Kinney, Michael (1 September 2000). "Solving BIOS Boot Issues with EFI" (PDF). pp. 47–50. Archived from the original (PDF) on 23 January 2007. Retrieved 14 September 2010.
- ^ Cite error: The named reference
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