Acpi Smcf010 Driver Windows 7 Hp
- This document is about installing Windows 7 on HP and Compaq desktop computers. Download Windows 7 software and driver. Update the ACPI gen2 Driver 7100.0.0.2.
- Where can I download an ACPI driver that works with Windows 7? I just upgraded to Windows 7 and loved it all, except the annoying message saying I should replace the battery. Unfortunately, I took the advice given in the Microsoft.com site to unistall the ACPI driver.
- If you participated in the Upgrade Option Program from HP and you obtained a disc, this DVD contains most of the software and drivers needed for upgrading HP and Compaq Desktop and TouchSmart computers to Windows 7.
- ACPI SMCF010 Drivers Download Download the latest version of ACPI SMCF010 drivers according to your computer's operating system. All downloads available on this website have been scanned by the latest anti-virus software and are guaranteed to be virus and malware-free.
- HP PCs - HP 3D DriveGuard Is Displayed as an Unknown Device (ACPI HPQ0004 or ACPI HPQ6007) After Upgrade to Windows 10 Has Completed After an upgrade from Windows 7, 8 or 8.1 to Windows 10 is completed, the HP 3D DriveGuard driver is displayed as an unknown device.
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.sys acts as the interface between the operating system and the ACPI BIOS. Acpi.sys is transparent to the other drivers in the device tree.
Other tasks performed by Acpi.sys on a particular hardware platform might include reprogramming the resources for a COM port or enabling the USB controller for system wake-up.
In this topic
ACPI devices
The hardware platform vendor specifies a hierarchy of ACPI namespaces in the ACPI BIOS to describe the hardware topology of the platform. For more information, see ACPI Namespace Hierarchy.
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). 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 other devices described in the ACPI namespace but not on the system board, Acpi.sys creates the PDO. Acpi.sys provides power management and PnP features to the device stack by means of these device objects. For more information, see Device Stacks for an ACPI Device.
A device for which Acpi.sys creates a device object is called an ACPI device. The set of ACPI devices varies from one hardware platform to the next, and depends on the ACPI BIOS and the configuration of the motherboard. Note that Acpi.sys loads an ACPI bus filter only for a device that is described in the ACPI namespace and is permanently connected to the hardware platform (typically, this device is integrated into the core silicon or soldered to the system board). Not all motherboard devices have an ACPI bus filter.
Download ACPI SMCF010 driver in Windows 7 x86 version for free.
All ACPI functionality is transparent to higher-level drivers. These drivers must make no assumptions about the presence or absence of an ACPI filter in any given device stack.
Acpi.sys and the ACPI BIOS support the basic functions of an ACPI device. To enhance the functionality of an ACPI device, the device vendor can supply a WDM function driver. For more information, see Operation of an ACPI Device Function Driver.
An ACPI device is specified by a definition block in the system description tables in the ACPI BIOS. A device's definition block specifies, among other things, an operation region, which is a contiguous block of device memory that is used to access device data. Only Acpi.sys modifies the data in an operation region. The device's function driver can read the data in an operation region but must not modify the data. When called, an operation region handler transfers bytes in the operation region to and from the data buffer in Acpi.sys. The combined operation of the function driver and Acpi.sys is device-specific and is defined in the ACPI BIOS by the hardware vendor. In general, the function driver and Acpi.sys access particular areas in an operation region to perform device-specific operations and retrieve information. For more information, see Supporting an Operation Region.
ACPI control methods
ACPI control methods are software objects that declare and define simple operations to query and configure ACPI devices. Control methods are stored in the ACPI BIOS and are encoded in a byte-code format called ACPI Machine Language (AML). The control methods for a device are loaded from the system firmware into the device's ACPI namespace in memory, and interpreted by the Windows ACPI driver, Acpi.sys.
To invoke a control method, the kernel-mode driver for an ACPI device initiates an IRP_MJ_DEVICE_CONTROL request, which is handled by Acpi.sys. For drivers loaded on ACPI-enumerated devices, Acpi.sys always implements the physical device object (PDO) in the driver stack. For more information, see Evaluating ACPI Control Methods.
ACPI specification
For the latest Advanced Configuration and Power Interface Specification, see the ACPI 5.0 specification available from the Unified Extensible Firmware Interface Forum website.Revision 5.0 of the ACPI specification introduces a set of features to support low-power, mobile PCs that are based on System on a Chip (SoC) integrated circuits and that implement the connected standby power model. Starting with Windows 8 and Windows 8.1, the Windows ACPI driver, Acpi.sys, supports the new features in the ACPI 5.0 specification. For more information, see Windows ACPI design guide for SoC platforms.
ACPI debugging
System integrators and ACPI device driver developers can use the Microsoft AMLI debugger to debug AML code. Because AML is an interpreted language, AML debugging requires special software tools. Checked versions of the Windows ACPI driver, Acpi.sys, contain a debugger component to support AML debugging. For more information about the AMLI debugger, see ACPI Debugging. For information about how to download a checked build of Windows, see Downloading a Checked Build of Windows. For information about compiling ACPI Source Language (ASL) into AML, see Microsoft ASL Compiler.
Hello Leslie,
Thank you for posting your query in Microsoft Community Forum.
- What is the exact model number of your Compaq Desktop?
The Microsoft ACPI-Compliant System component provides the Microsoft ACPI Driver in the acpi.sys file. This component additionally supplies the INF (information) files, acpi.inf and machine.inf. The machine.inf file is the system-supplied INF file for a standard device.
There are no services associated with this component. No other components interact with this component. There are no configurable settings for this component.
Code 28 indicates Device drivers for the device have not yet been installed.
You may refer to Error codes in Device Manager in Windows
Please revert if your question is still not answered.
Thank you
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Thank you for your reply and help. Here is all the information about this Compaq;
Compaq Presario
SR 1923WM
Prod.#: RB101AAR-ABA
s/n: CN56231DMS
I reformatted the hard drive with Windows 7 Pre. 64, and when I looked in the Device Manager this showed up on the listing on unknown device. Thank you. Leslie
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Hello Leslie,
Thank you for your revert with the information.
Please follow below methods in order to fix it.
Method 1: Scan your computer for New Updates at:
Click on SCAN NOW in orange color (on the left side) and check if any updates are available for installation.
Method 2: Update a driver for hardware that isn't working properly at:
For additional information, you may also refer to:
What to do when a device isn't installed properly at:
Please post back if the above methods help.
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Hello Leslie,
Thank you for keeping us updated on the status of the issue. Let us know if issue persist after updating latest drivers.
Thank you
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Acpi Drivers
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