Home Common Problem Should I use uefi or legacy in win10?

Should I use uefi or legacy in win10?

Jul 27, 2019 am 10:03 AM
windows10

UEFI:New mode, its startup sequence: boot → UEFI initialization → boot operating system → enter operating system startup. The speed is faster than lagacy mode.

UEFI only supports 64-bit operating systems. The system in UEFI mode will have two small partitions, one is called ESP (EFI system partition) and the other is MSR (Microsoft reserved partition, usually is 128MB), MSR is the partition required by Windows.

Should I use uefi or legacy in win10?

Win10 uses uefi. Because UEFI is a new mode, its startup sequence is: boot → UEFI initialization → boot operating system → enter operating system startup. The speed is faster than lagacy mode. (Recommended learning: PHP video tutorial)

ESP is very important for UEFI boot mode. The UEFI boot program is a file with the suffix .efi stored in the ESP partition. The ESP partition uses the fat32 file system. In addition, there may be a small partition called WinRe Tools, which is the recovery partition in Win8. The size is also small.

Legacy: Traditional BIOS transfer mode startup sequence: boot → BIOS initialization → BIOS self-test → boot operating system → enter the system.

Traditional hard disk boot records are in MBR format, and MBR cannot support hard disks exceeding 2T. But has the best compatibility.

UEFI boot mode: (GPT partition table format UEFI boot mode x64 system)

Legacy boot mode: (MBR master boot record partition Format Legacy boot mode)

New UEFI, the full name is "Unified Extensible Firmware Interface" (Unified Extensible Firmware Interface), is a standard that describes a type of interface in detail. This interface is used by the operating system to automatically load an operating system from a pre-boot operating environment.

Extensible Firmware Interface (EFI) is Intel's proposed standard for PC firmware architecture, interfaces and services. Its main purpose is to provide a set of consistent and correctly specified boot services on all platforms before the OS is loaded (before booting). It is regarded as the successor of the BIOS with a history of nearly 20 years.

UEFI was developed based on EFI1.10. Its owner is no longer Intel, but an international organization called Unified EFI Form.

UEFI is a new BIOS, and Legacy is a traditional BIOS. A system installed in UEFI mode can only be booted in UEFI mode; similarly, a system installed in Legacy mode can only be booted in Legacy mode.

UEFI only supports 64-bit systems and the disk partition must be in GPT mode. Traditional BIOS uses INT13 interrupt to read the disk, which can only read 64KB each time, which is very inefficient, while UEFI can read 1MB each time and load it. Faster. In addition, Win8 has further optimized UEFI support, claiming to be able to achieve instant boot.

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