interface de firmware extensível (EFI)

Extensible Firmware Interface (EFI)

Em computadores com o processador Intel Itanium, a interface entre o firmware e o hardware de um computador e seu sistema operacional. A interface de firmware extensível (EFI) define um novo estilo de partição chamado tabela de partição (GPT) GUID. Para os computadores compatíveis com Itanium, a EFI tem a mesma finalidade que o BIOS nos computadores compatíveis com x86. Entretanto, a EFI tem recursos expandidos que proporcionam uma forma consistente para iniciar qualquer sistema operacional compatível, além de um método fácil para adicionar drivers EFI a novos dispositivos inicializáveis, sem a necessidade de atualizar o firmware do computador.
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Extensible Firmware Interface (EFI)

endereço de base
