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On Apple Mac computers using Intel x86-64 processor architecture, the EFI system partition is initially left blank and unused for booting into macOS. [13] [14]However, the EFI system partition is used as a staging area for firmware updates [15] and for the Microsoft Windows bootloader for Mac computers configured to boot into a Windows partition using Boot Camp.
rEFIt is a boot menu and maintenance toolkit for EFI-based machines like the Intel Macs. It can be used to boot multiple operating systems, including triple-boot setups with software such as Apple's Boot Camp Assistant. It also provides a way to enter and explore the EFI pre-boot environment. [6]
Ventoy is a free and open-source utility used for creating bootable USB media storage devices with files such as .iso, .wim, .img, .vhd(x), and .efi. Once Ventoy is installed onto a USB drive, there is no need to reformat the USB drive to add new installation files. Instead, it is enough to copy .iso, .wim, .img, .vhd(x), or .efi file(s) to the ...
In the UEFI Shell, the SmbiosView command can retrieve and display the SMBIOS data. [15] [16] One can often enter the UEFI shell by entering the system firmware settings, and then selecting the shell as a boot option (as opposed to a DVD drive or hard drive).
[15] [16] By running the Boot Camp assistant with a compatible version of Microsoft Windows setup disc in the drive and switching to a Windows 8 disc when Mac OS X reboots the machine to begin installing Windows, Windows 8 can be installed on older unsupported hardware. [citation needed] This can also work with Windows 10. Pre-2011 Intel Macs ...
In mid-2008, a new commercial product, EFi-X, was released that claims to allow full, simple booting off official Leopard install disks, and a subsequent install, without any patching required, but this is possibly a repackaging of Boot-132 technology in a USB-attached device. [75]
EasyBCD has a number of bootloader-related features that can be used to repair and configure the bootloader. From the "Manage Bootloader" section of EasyBCD, it is possible to switch between the BOOTMGR bootloader (used since Windows Vista) and the NTLDR bootloader (used by legacy versions of Windows, from Windows NT to Windows XP) in the MBR from within Windows by simply clicking a button.
Before Windows 7, the system and boot partitions were, by default, the same and were given the "C:" drive letter. [7]: 971 Since Windows 7, however, Windows Setup creates, by default, a separate system partition that is not given an identifier and therefore is hidden. The boot partition is still given "C:" as its identifier.