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ACPI-Compliant Power Meter Device Driver

This driver exposes ACPI compliant power meters as hardware monitoring devices. This second revision of the driver also exports the ACPI. When the computer is ACPI compliant, Windows XP can manage power efficiently. Device drivers save their device settings if changing to the low power state. . You can use the Power Meter feature to monitor and manage the battery of a. You could download the latest version of microsoft acpi-compliant power meter device on this page. Please choose the proper driver according to your computer.


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ACPI-Compliant Power Meter Device Driver

Configuring Power Management An Introduction to Power Management and its Features Power management is a component of system performance that affects how Windows makes use of power when the computer is running under normal conditions. You can ACPI-Compliant Power Meter Device the Power management settings to preserve energy.

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This in turn extends the life of ACPI-Compliant Power Meter Device components of the system because they are powered down during periods when there is no user activity. The power management feature is extremely beneficial for laptop users. Microsoft ACPI-Compliant Power Meter Device XP and OnNow capable computers can manage the power of a computer in a manner where the consumption of power is minimized when not needed. Windows XP is able to immediately move the computer and any needed peripherals to an available state when they are needed.

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What this means is that the computer operates in a low power usage when it is not required. Windows XP can shift to different modes that actually simulate system shutdown. When it moves into one of these states; no data, applications, or programs currently loaded is lost. Windows XP Professional offers a few attractive power management capabilities for desktop users and mobile users.

ACPI-Compliant Power Meter Device is ACPI ACPI-Compliant Power Meter Device offers reliable power management and system configurations. A system is typically shifted from the low power usage state when it receives wake events from a modem or other device, application, or network connection.

Because of Windows XP Professional's advanced power management features, it ACPI-Compliant Power Meter Device for the following situations: You can configure a computer as a telephone answering device. The computer will shift from a low power usage state when there is a pending call You can also configure a ACPI-Compliant Power Meter Device as a host for a shared printer.

The computer moves from a low power usage state when a network connection is received that needs printing. You can configure scheduled tasks to wake the computer to perform scheduled tasks You can configure security mechanisms to shift a computer to an available state to transmit e-mails when certain predefined conditions arise.

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For the above mentioned features to work, the computer has to be ACPI compliant. It can ensure that the computer is using minimal power when the computer is not functioning fully. Windows XP also ensures that the computer and all its peripherals are immediately available when users or a network connection requires it. This is possible because applications and devices that are ACPI compliant function together with the OS to respond ACPI-Compliant Power Meter Device switches in power mode.

The features provided by power management are summarized below: The computer preserves power in the low power state when it is not being used. The computer can however wake instantly when certain events occur. Startup time and shutdown times are reduced. This enables a user to access the computer faster when it ACPI-Compliant Power Meter Device for the low power usage state.

When applications support power management features, they communicate those components that should not be moved into the sleep state, to the OS. The life of hardware components are extended when components are powered down when the computer is inactive.


Noise is also decreased. How Power Policy works The power policy manager operates together with devices and applications to enforce those settings that specify the manner in which power should be preserved.

The components which power polices are based on are listed below: User preference settings Application requirements The features, or capabilities of hardware devices ACPI-Compliant Power Meter Device device connected to the computer has a power policy owner. The power policy owner is responsible for controlling power for that particular piece of hardware. The policy owner and the policy of the OS operate together to shift the computer to the low power usage state.

The policy owner of ACPI-Compliant Power Meter Device device sends a message to the power policy manager to move the device to a low power usage state when it determines that the computer's state can change. When power usage changes for a particular ACPI-Compliant Power Meter Device, this change is communicated to the drivers as well. Device drivers save their device settings if changing to the low power state. The following section takes a look at ACPI power management.

When this occurs, the ACPI power management features cannot be used. APM power management cannot be used for desktop computers because of its limited capabilities.


Windows XP Professional's support for APM power management is for providing compatibility with legacy notebook computers. If it is, Ntapm. Power Schemes Power schemes are used to set the following: The manner in which the computer turns off connected devices.

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