Acpi.sys (Windows ACPI Driver) - Windows drivers | Microsoft Learn
https://learn.microsoft.com/en-us/windows-hardware/drivers/kernel/acpi-driver
WEBOct 25, 2022 · The Windows ACPI driver, Acpi.sys, is an inbox component of the Windows operating system. The responsibilities of Acpi.sys include support for power management and Plug and Play (PnP) device enumeration. On hardware platforms that have an ACPI BIOS, the HAL causes Acpi.sys to be loaded during system startup at the base of the device tree. Acpi ...
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