The difference between UEFI and Legacy+uefi startup mode

First, UEFI BIOS boot mode

The UEFI BIOS supports two boot modes: Legacy+uefi boot mode and UEFI boot mode, where Legacy+uefi startup mode refers to UEFI and the traditional BIOS coexistence mode, which can be used to boot the operating system in the traditional BIOS boot mode; The UEFI boot mode only starts the operating system in UEFI boot mode.

Tips:

1, select the startup mode and install the operating system, after installation can only use the set mode, used to start the operating system;

2, operating system installation using LEGACY+UEFI mode, compatible in the traditional BIOS boot mode boot operating system;

3, operating system installation using UEFI Boot mode, only in UEFI boot mode boot operating system.

The difference between Legacy+uefi mode and UEFI model

1, Legacy+uefi boot mode is based on some computer hardware devices and operating systems (such as WINXP/7) also do not support the UEFI BIOS based situation, consider booting from the traditional BIOS boot mode. The traditional BIOS boot mode allows the HBA, module device to use the ROM option.

2, Uefi boot mode for the operating system automatically from the pre-boot operating environment, loaded into an operating system, so that the start-up program to simplify, save time. and support more than 2T hard disk, strengthen the support of the hardware, Win8 the reason why the speed, and Win8 native support Uefi mode is not unrelated!