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  2. UEFI - Wikipedia

    en.wikipedia.org/wiki/UEFI

    When Secure Boot is enabled, it is initially placed in "setup" mode, which allows a public key known as the "platform key" (PK) to be written to the firmware. Once the key is written, Secure Boot enters "User" mode, where only UEFI drivers and OS boot loaders signed with the platform key can be loaded by the firmware.

  3. List of IOMMU-supporting hardware - Wikipedia

    en.wikipedia.org/wiki/List_of_IOMMU-supporting...

    The vast majority of Intel server chips of the Xeon E3, Xeon E5, and Xeon E7 product lines support VT-d. The first—and least powerful—Xeon to support VT-d was the E5502 launched Q1'09 with two cores at 1.86 GHz on a 45 nm process. [2]

  4. Intel Management Engine - Wikipedia

    en.wikipedia.org/wiki/Intel_Management_Engine

    Intel Boot Guard (IBG) [28] and Secure Boot [25] Quiet System Technology (QST), formerly known as Advanced Fan Speed Control (AFSC), which provides support for acoustically optimized fan speed control, and monitoring of temperature, voltage, current and fan speed sensors that are provided in the chipset, CPU and other devices present on the ...

  5. Multiboot specification - Wikipedia

    en.wikipedia.org/wiki/Multiboot_Specification

    The Multiboot specification is an open standard describing how a boot loader can load an x86 operating system kernel. [1] [2] The specification allows any compliant boot-loader implementation to boot any compliant operating-system kernel. Thus, it allows different operating systems and boot loaders to work together and interoperate, without the ...

  6. Trusted Platform Module - Wikipedia

    en.wikipedia.org/wiki/Trusted_Platform_Module

    A Trusted Platform Module (TPM) is a secure cryptoprocessor that implements the ISO/IEC 11889 standard. Common uses are verifying that the boot process starts from a trusted combination of hardware and software and storing disk encryption keys. A TPM 2.0 implementation is part of the Windows 11 system requirements. [1]

  7. Boot disk - Wikipedia

    en.wikipedia.org/wiki/Boot_disk

    A modern PC is configured to attempt to boot from various devices in a certain order. If a computer is not booting from the device desired, such as the floppy drive, the user may have to enter the BIOS Setup function by pressing a special key when the computer is first turned on (such as Delete, F1, F2, F10 or F12), and then changing the boot order. [6]

  8. Video BIOS - Wikipedia

    en.wikipedia.org/wiki/Video_BIOS

    Unlike some other hardware components, the video card usually needs to be active very early during the boot process so that the user can see what is going on. This requires the card to be activated before any operating system begins loading; thus it needs to be activated by the BIOS , the only software that is present at this early stage.

  9. Preboot Execution Environment - Wikipedia

    en.wikipedia.org/wiki/Preboot_Execution_Environment

    In computing, the Preboot eXecution Environment (PXE; often pronounced as / ˈ p ɪ k s iː / pixie, often called PXE boot (pixie boot), is a specification describing a standardized client–server environment that boots a software assembly, retrieved from a network, on PXE-enabled clients.