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NIST platform security: roots of trust, firmware and secure enclaves SP 800-147

15 requirements · published 2011-04-29
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All1 Introduction2 Background3 Load and Execute Additional Firmware Modules: The system BIOS executes additional4 Manual Recovery: To recover from a corrupt or malfunctioning system BIOS, many computer5 Automatic Recovery: Some computer systems are able to detect when the system BIOS has beenAppendix A Summary of Guidelines for System BIOS ImplementationsAppendix B GlossaryAppendix C Acronyms and AbbreviationsAppendix D References
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2 Background Modern computers such as desktop and laptop computers contain program code that facilitates the hardware initialization process. The code is stored in non-volatile memory and is commonly referred to as boot firmware. The primary firmware us
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 System BIOS The system BIOS is the first piece of software executed on the main central processing unit (CPU) when a computer is powered on. While the system BIOS was originally responsible for providing operating systems access to hardware, its primar
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 Role of System BIOS in the Boot Process The primary function of the system BIOS is to initialize important hardware components and to load the operating system. This process is known as booting . The boot process of the system BIOS typically executes in the following stages: 1. E

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