When installing Windows® 7 or Windows Server® 2008 R2 on computers
based on Unified Extensible Firmware Interface (UEFI), you may need to
switch from BIOS-compatibility mode to UEFI mode.
Some UEFI platforms support booting into a BIOS-compatible
mode, and it is not always apparent whether UEFI or BIOS is the default
boot option. On these computers, you might be required...
UEFI setup, Ubuntu and Windows UEFI Dual Boot, Linux, Debian, Ubuntu, Fedora, Arch Linux
Saturday, 31 January 2015
Thursday, 29 January 2015
Microsoft Windows Secure Boot FAQ
Thursday, January 29, 2015
Posted by UEFI Support
and Windows RT, Secure Boot, Windows 8, Windows 8.1, Windows RT 8.1, Windows Server 2012, Windows Server 2012 R2
Secure Boot is a security standard developed by members of the PC
industry to help make sure that your PC boots using only software that
is trusted by the PC manufacturer.
When the PC starts, the firmware checks the signature of each
piece of boot software, including firmware drivers (Option ROMs) and the
operating system. If the signatures are good, the PC boots, and the
firmware gives...
FreeBSD and UEFI How to
Boot Process
The
UEFI boot process uses an EFI System Partition (ESP) to store system
bootstrap components. The ESP is a GPT or MBR partition with a specific
identifier, and contains a FAT file system with a specified hierarchy.
...
Monday, 26 January 2015
GUID Partition Table
GUID Partition Table (GPT) is a partitioning scheme that is part of the Unified Extensible Firmware Interface specification; it uses a globally unique identifier for qualifying devices. It is the next generation partitioning scheme designed to succeed the Master Boot Record
partitioning scheme method. Its necessity evolved to deal with several
shortcomings the MBR partitioning scheme method and...
Saturday, 24 January 2015
Installing Ubuntu in UEFI mode
UEFI
(~EFI) is a firmware interface that is widespread on recent computers,
especially those more recent than 2010. It is intended to replace the
traditional BIOS firmware interface that is prevalent on earlier
machines. This page provides information about installing and booting
Ubuntu using EFI, as well as about switching between EFI mode and legacy
BIOS mode using Ubuntu.
Installing...
Thursday, 22 January 2015
Firmware Types
Thursday, January 22, 2015
Posted by UEFI Support
BIOS
A BIOS or Basic Input-Output System is the very first program
(firmware) that is executed once the system is switched on. In most
cases it is stored in a flash memory in the motherboard itself and
independent of the system storage. BIOS launches the first 440 bytes (Master Boot Record)
of the first disk in the BIOS disk order. Since very little can be
achieved by a program that fits into...
Extensible Firmware Interface (EFI) and Unified EFI (UEFI)
Thursday, January 22, 2015
Posted by UEFI Support

Defining the interface between the operating system and platform firmware
Background
The Unified EFI (UEFI) Specification
(previously known as the EFI Specification) defines an interface between
an operating system and platform firmware.
The interface consists of data tables that contain...