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  2. Pre-boot authentication - Wikipedia

    en.wikipedia.org/wiki/Pre-boot_authentication

    A PBA environment serves as an extension of the BIOS, UEFI or boot firmware and guarantees a secure, tamper-proof environment external to the operating system as a trusted authentication layer. [2] The PBA prevents any operating system from loading until the user has confirmed he/she has the correct password to unlock the computer. [2]

  3. UEFI - Wikipedia

    en.wikipedia.org/wiki/UEFI

    The original motivation for EFI came during early development of the first Intel–HP Itanium systems in the mid-1990s. BIOS limitations (such as 16-bit real mode, 1 MB addressable memory space, [7] assembly language programming, and PC AT hardware) had become too restrictive for the larger server platforms Itanium was targeting. [8]

  4. System Management Mode - Wikipedia

    en.wikipedia.org/wiki/System_Management_Mode

    Initially, System Management Mode was used for implementing power management and hardware control features like Advanced Power Management (APM). However, BIOS manufacturers and OEMs have relied on SMM for newer functionality like Advanced Configuration and Power Interface (ACPI). [9] [10] Some uses of the System Management Mode are:

  5. BIOS interrupt call - Wikipedia

    en.wikipedia.org/wiki/BIOS_interrupt_call

    BIOS interrupt calls perform hardware control or I/O functions requested by a program, return system information to the program, or do both. A key element of the purpose of BIOS calls is abstraction - the BIOS calls perform generally defined functions, and the specific details of how those functions are executed on the particular hardware of the system are encapsulated in the BIOS and hidden ...

  6. Firmware - Wikipedia

    en.wikipedia.org/wiki/Firmware

    There are many homebrew projects for various devices, which often unlock general-purpose computing functionality in previously limited devices (e.g., running Doom on iPods). Firmware hacks usually take advantage of the firmware update facility on many devices to install or run themselves.

  7. System Management BIOS - Wikipedia

    en.wikipedia.org/wiki/System_Management_BIOS

    Version 1 of the Desktop Management BIOS (DMIBIOS) specification was produced by Phoenix Technologies in or before 1996. [5] [6] Version 2.0 of the Desktop Management BIOS specification was released on March 6, 1996 by American Megatrends (AMI), Award Software, Dell, Intel, Phoenix Technologies, and SystemSoft Corporation. It introduced 16-bit ...

  8. 5 cancer types where screenings save the most lives - AOL

    www.aol.com/5-cancer-types-where-screenings...

    For breast cancer, he emphasized the importance of early intervention and advanced treatment modalities. "Aggressive treatments, including lumpectomy, hormone therapy and immunotherapy, have saved ...

  9. BIOS - Wikipedia

    en.wikipedia.org/wiki/BIOS

    In computing, BIOS (/ ˈ b aɪ ɒ s,-oʊ s /, BY-oss, -⁠ohss; Basic Input/Output System, also known as the System BIOS, ROM BIOS, BIOS ROM or PC BIOS) is firmware used to provide runtime services for operating systems and programs and to perform hardware initialization during the booting process (power-on startup). [1]