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  2. ACPI - Wikipedia

    en.wikipedia.org/wiki/ACPI

    The ACPI BIOS generates ACPI tables and loads ACPI tables into main memory. Much of the firmware ACPI functionality is provided in bytecode of ACPI Machine Language (AML), a Turing-complete, domain-specific low-level language, stored in the ACPI tables. [7] To make use of the ACPI tables, the operating system must have an interpreter for the ...

  3. List of computer standards - Wikipedia

    en.wikipedia.org/wiki/List_of_computer_standards

    BIOS Boot Specification: 1.01 [2] 1996/01 BIOS Enhanced Disk Drive Specification (INT 13H) 3.0 [3] 1998/04/20 Bluetooth: 5.0 2010/06/30 Boot Integrity Services API 1.0 [4] 1998/12/28 BTX Chassis Design Guidelines 1.1 2007/02 BTX Interface Specification 1.0b 2005/07 BTX System Design Guide 1.1 2007/02/20 Chassis Air Guide (CAG) 1.1 2003/09 ...

  4. UEFI Forum - Wikipedia

    en.wikipedia.org/wiki/UEFI_Forum

    UEFI Forum, Inc. is an alliance between technology companies to coordinate the development of the UEFI specifications. The board of directors includes representatives from twelve promoter companies: AMD, American Megatrends, ARM, Apple, Dell, Hewlett Packard Enterprise, HP Inc., Insyde Software, Intel, Lenovo, Microsoft, and Phoenix Technologies.

  5. Devicetree - Wikipedia

    en.wikipedia.org/wiki/Devicetree

    In computing, a devicetree (also written device tree) is a data structure describing the hardware components of a particular computer so that the operating system's kernel can use and manage those components, including the CPU or CPUs, the memory, the buses and the integrated peripherals.

  6. Simple Firmware Interface - Wikipedia

    en.wikipedia.org/wiki/Simple_Firmware_Interface

    SFI has CPU, APIC, Memory Map, Idle, Frequency, M-Timer, M-RTC, OEMx, Wake Vector, I²C Device, and a SPI Device table. SFI provides access to a standard ACPI XSDT (Extended System Description Table). XSDT is used by SFI to prevent namespace collision between SPI and ACPI. It can access standard ACPI tables such as PCI Memory Configuration ...

  7. e820 - Wikipedia

    en.wikipedia.org/wiki/E820

    This computer hardware article is a stub. You can help Wikipedia by expanding it.

  8. MultiProcessor Specification - Wikipedia

    en.wikipedia.org/wiki/MultiProcessor_Specification

    Version 1.1 of the specification was released on April 11, 1994. Version 1.4 of the specification was released on July 1, 1995, which added extended configuration tables to improve support for multiple PCI bus configurations and improve expandability. The Linux kernel and FreeBSD are known to support the Intel MPS.

  9. Dynamic frequency scaling - Wikipedia

    en.wikipedia.org/wiki/Dynamic_frequency_scaling

    ACPI 1.0 (1996) defines a way for a CPU to go to idle "C states", but defines no frequency-scaling system. ACPI 2.0 (2000) introduces a system of P states (power-performance states) that a processor can use to communicate its possible frequency–power settings to the OS. The operating system then sets the speed as needed by switching between ...