What are the differences between uefi and legacy? Which one should I choose between uefi and legacy?

uefi and legacy are the two most common modes for our hard drive boot. Many users want to know the difference between uefi and legacy? Which one should I choose between uefi and legacy? In response to these two questions, today the editor will answer users from multiple aspects. Next, let us take a look at the specific content.

1. Supported system bits

• Legacy: Can boot 32-bit and 64-bit operating systems
• UEFI: Can only support 64-bit operations System

2. Running process time

• Legacy: Computer boot → BIOS initialization → BIOS self-test → Boot operating system → Enter the system
• UEFI: Computer boot → UEFI initialization → Boot repair system → Enter the system

3. corresponding disk partition

• Legacy: MBR partition
• UEFI: GPT partition

With the continuous development of Web development, PHP as a popular back-end language, Plays a vital role in dynamic website development. However, when writing PHP code, developers often face challenges related to performance optimization, including how to load classes efficiently. Class loading issues can greatly impact the performance of your application, especially for large projects or classes that are instantiated frequently. This article will take an in-depth look at PHP's different class loading mechanisms, including automatic loading, manual loading, and SPL automatic loading, and guide developers to choose the most appropriate strategy based on specific needs. PHP editor Yuzai will explain to you the working principles, advantages and limitations of these mechanisms one by one to help you optimize the performance of PHP applications.

• UEFI and Legacy refer to the system boot method.
• MBR and GPT represent disk partition table types.
• UEFI can also correspond to MBR, and Legacy can also correspond to GPT, but the relevant programs need to be set up.

  

  2. How to check whether the hard disk format of your computer is uefi or legacy? 1. Press the Windows+R shortcut keys at the same time to open the run menu, then enter msinfo32 and press Enter to check the hard disk boot mode in the computer's BIOS system.

  

  2. Alternatively, you can boot into the BIOS and move to the boot option to check whether the current default is UEFI or GPT.

  

  3. So which one is better, UEFI or Legacy?

Generally speaking:

1. New computers are given priority over UEFI format, boot speed, etc. than Legacy.
2. Old computers, older models are still mainly Legacy.

   

The above is the detailed content of What are the differences between uefi and legacy? Which one should I choose between uefi and legacy?. For more information, please follow other related articles on the PHP Chinese website!