Compléter UEFI vs BIOSVersion en ligne Functions of BIOS / UEFI vs BIOS – Differences par Gema Valentin 1 components Extensible hardware Unified Firmware Interface operating system UEFI is the abbreviation of , which is a firmware interface for computers and it works as a " middleman " to connect a computer's firmware to its operating system . It is used to initialize the and start the stored on the hard disk drive when the computer starts up . 2 Output F2 Delete Basic System Input Esc BIOS is short for / , also known as system BIOS , ROM BIOS or PC BIOS . It is firmware embedded on the chip on the computer's motherboard . The BIOS setup utility is accessed in various ways depending on your computer or motherboard . Normally , you can access BIOS by pressing a specific key while the computer boots like , or . The key to enter BIOS can be different according to different types of your computer . 3 time hardware settings sequence boot configuration system In the BIOS setup screen , you can configure various like the of the computer , and , etc . The setting results will be saved to the memory on your motherboard . 4 startup function user networking BIOS interface graphical UEFI UEFI secure UEFI vs BIOS Compared with BIOS , UEFI has the following advantages : 1 . enables users to handle drives that are larger than 2 TB , while the old legacy couldn't handle large storage drives . 2 . supports more than 4 primary partitions with a GUID Partition Table . 3 . Computers who use UEFI firmware have faster booting process than the BIOS . 4 . UEFI supports , which means that the validity of the operating system can be checked to ensure that no malware tampers with the startup process . 5 . UEFI supports in the UEFI firmware itself , which helps remote troubleshooting and UEFI configuration . 6 . UEFI has a simpler and also has much richer setup menus than legacy BIOS . 5 MBR Master Boot Record The ( ) is the information in the first sector of a hard disk or a removable drive . . It identifies how and where the system's operating system ( OS ) is located in order to be booted ( loaded ) into the computer's main storage or random access memory ( RAM ) . 6 Test BIOS Power on Self During the boot process , the first thing that happens is the POST or . Once the POST is complete , the , or Basic lnput / Output System , is activated .
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