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EFI , Extensible Firmware Interface - BIOS – EFI-BIOS - EFI - Intel

EFI , Extensible Firmware Interface - BIOS – EFI-BIOS - EFI - Intel - Afløser el. mellemled for IBM PC Basic Input Output System ( 1980) UEFI, Unified Extensible Firmware Interface - Sammenslutning - standardisering. GPT, GUID Partition Table . ( GUID, Globally unique identifier )

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EFI , Extensible Firmware Interface - BIOS – EFI-BIOS - EFI - Intel

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  1. EFI, ExtensibleFirmware Interface - BIOS – EFI-BIOS - EFI - Intel - Afløser el. mellemled for IBM PC Basic Input Output System (1980) UEFI, UnifiedExtensible Firmware Interface - Sammenslutning - standardisering

  2. GPT, GUID Partition Table. (GUID, Globallyuniqueidentifier) • Den udbredte MBR (Master Boot Record) partitionsopsætning stammer fra begyndelsen af 1980'erne. Den har nogle begrænsninger, som påvirker anvendelsen af moderne hardware. Intel udviklede derfor en ny partition tableformat i slutningen af 1990'erne. • GPT udgør fra 2010 en delmængde af UEFI specifikationen. • MBR max. 2,2 TB (2,2 × 1012 bytes) • max. 4 primære partitioner • Alle OS • GPT max. 9,4 ZB (9,4 × 10²¹bytes) • max. 128 partitioner • EFI (BIOS) en forudsætning • OS fra windows XP 64bit og til i dag

  3. Diagram illustrating the layout of the GUID Partition Table scheme. In this example, each logical block (LBA) is 512 bytes in size, and each partition entry is 128 bytes, and the corresponding partition entries are assumed to be located in LBA 2-33, here. LBA addresses that are negative indicate position from the end of the volume, with −1 as the last addressable bloc

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