This Unified Extensible Firmware Interface (hereafter known as UEFI) Specification describes an interface between the operating system (OS) and the platform firmware. UEFI was preceded by the Extensible Firmware Interface Specification 1.10 (EFI). As a result, some code and certain protocol names retain the EFI designation. Unless otherwise noted, EFI designations in this specification may be assumed to be part of UEFI.

Filename	Size	Update
ACPI 6_2_A_Sept29.pdf	10263452	2018-07-12
Dist_Package_Spec_1_1.pdf	1697355	2018-07-12
EDK	0	2018-07-13
EDK\edk-ii-build-specification.pdf	7305272	2018-07-13
EDK\edk-ii-c-coding-standards-specification.pdf	942563	2018-07-13
EDK\edk-ii-dec-specification.pdf	904436	2018-07-13
EDK\edk-ii-dsc-specification.pdf	1316937	2018-07-13
EDK\edk-ii-fdf-specification.pdf	1342834	2018-07-13
EDK\edk-ii-idf-specification.pdf	543087	2018-07-13
EDK\edk-ii-meta-data-expression-syntax-specification.pdf	604655	2018-07-13
EDK\edk-ii-pcd-specification.pdf	806712	2018-07-13
EDK\edk-ii-uni-specification.pdf	563293	2018-07-13
EDK\edk-ii-vfr-specification.pdf	695637	2018-07-13
PI_Spec_1_6.pdf	9205401	2018-07-12
UEFI Spec 2_7_A Sept 6.pdf	17607534	2018-07-12
UEFI_Shell_2_2.pdf	1074631	2018-07-12

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