What is UEFI?
Applies to Windows 8.1, Windows RT 8.1
UEFI
(Unified Extensible Firmware Interface) is a standard firmware interface for
PCs, designed to replace BIOS (basic input/output
system). This standard was created by over 140 technology companies as part of
the UEFI consortium, including Microsoft. It's designed to improve software
interoperability and address limitations of BIOS. Some advantages of UEFI firmware
include:
·
Better security by helping to protect the
pre-startup—or pre-boot—process against bootkit
attacks.
·
Faster startup times and resuming from
hibernation.
·
Support for drives larger than 2.2 terabytes
(TB).
·
Support for modern, 64-bit firmware device
drivers that the system can use to address more than 17.2 billion gigabytes
(GB) of memory during startup.
·
Capabililty to use BIOS with UEFI hardware.
Note
·
All 64-bit versions of PCs running Windows with
a logo from the Windows Certification Program will use UEFI instead of BIOS.