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  2. ACPI - Wikipedia

    en.wikipedia.org/wiki/ACPI

    Advanced Configuration and Power Interface (ACPI) is an open standard that operating systems can use to discover and configure computer hardware components, to perform power management (e.g. putting unused hardware components to sleep), auto configuration (e.g. Plug and Play and hot swapping), and status monitoring.

  3. 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 ...

  4. Platform Controller Hub - Wikipedia

    en.wikipedia.org/wiki/Platform_Controller_Hub

    Bogus USB ports will be detected by mobile PCH equipped with 6 USB ports (HM55) on the first EHCI controller. This can happen when AC power and battery are removed after entering ACPI S4. Applying AC power or battery back and resuming from S4 may result in non detected or even non functioning USB device (erratum 13)

  5. BIOS - Wikipedia

    en.wikipedia.org/wiki/BIOS

    The SLIC is inserted into the ACPI data table and contains no active code. [ 39 ] [ 40 ] Computer manufacturers that distribute OEM versions of Microsoft Windows and Microsoft application software can use the SLIC to authenticate licensing to the OEM Windows Installation disk and system recovery disc containing Windows software.

  6. ARM architecture family - Wikipedia

    en.wikipedia.org/wiki/ARM_architecture_family

    [3] [4] [5] However, ARM processors are also used for desktops and servers, including Fugaku, the world's fastest supercomputer from 2020 [6] to 2022. With over 230 billion ARM chips produced, [ 7 ] [ 8 ] since at least 2003, and with its dominance increasing every year [update] , ARM is the most widely used family of instruction set architectures.

  7. Windows Management Instrumentation - Wikipedia

    en.wikipedia.org/wiki/Windows_Management...

    It is however a target for Vista). All the layering to WS-Management and the mapping of the CIM data model to SOAP comes for free out of the WMI/WS-Management solution. In the event DCOM must be used, implementing DCOM requires the presence of a proxy DLL deployed on each client machine. As WMI is available in the Windows operating system since ...

  8. CPUID - Wikipedia

    en.wikipedia.org/wiki/CPUID

    As an example, a dual-core Westmere processor capable of hyperthreading (thus having two cores and four threads in total) could have x2APIC ids 0, 1, 4 and 5 for its four logical processors. Leaf Bh (=EAX), subleaf 0 (=ECX) of CPUID could for instance return 100h in ECX, meaning that level 0 describes the SMT (hyperthreading) layer, and return ...

  9. Owner's manual - Wikipedia

    en.wikipedia.org/wiki/Owner's_manual

    If owners lose their car manual, they can either order a replacement from a dealer, pick up a used one secondhand, or download a PDF version of the manual online. [4] In 2017, IBM released IBM Watson Artificial Intelligence to understand and answer questions in natural driver language. [5] "Ask Mercedes" was the first in a wave of these vehicle ...