relieflesno.blogg.se - Asus acpi ite8707 driver windows 7

A device for which Acpi.sys creates a device object is called an. For other devices described in the ACPI namespace but not on the system board, Acpi.sys creates the PDO.Īcpi.sys provides power management and PnP features to the device stack by means of these device objects. If the device is integrated into the system board, Acpi.sys creates a filter device object, representing an ACPI bus filter, and attaches it to the device stack immediately above the bus driver (PDO). For each device described in the ACPI namespace hierarchy, the Windows ACPI driver, Acpi.sys, creates either a filter device object (filter DO) or a physical device object (PDO).

ACPI devices The hardware platform vendor specifies a hierarchy of ACPI namespaces in the ACPI BIOS to describe the hardware topology of the platform.

sys on a particular hardware platform might include reprogramming the resources for a COM port or enabling the USB controller for system wake-up. To show hidden devices in Device manager for the acpi unknown to appear. Which is not found anywhere through windows update or searching through. Acpi.sys is transparent to the other drivers in the device tree.

Acpi.sys acts as the interface between the operating system and the ACPI BIOS. On hardware platforms that have an, the causes Acpi.sys to be loaded during system startup at the base of the. The responsibilities of Acpi.sys include support for power management and Plug and Play (PnP) device enumeration.

In this article The Windows ACPI driver, Acpi.sys, is an inbox component of the Windows operating system.