ReleaseNote.txt Driver File Contents (M3800_System-Utilities_Driver_7834Y_WN32_4.11.71_A00.EXE)

ST Microelectronics 3 Axis Digital Accelerometer Installer
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Please see the README.txt file for details on using this installation package.

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Release History:

4.11.0014 (12/13/2011)
======================
Driver Versions:
    Windows7 x64:2.2.2.1 
Application Version: 0.8.7.0  

Initial release of installer.
Supports Windows 7 x64 only.
Drivers are not WHQLed.


4.11.0015 (12/15/2011)
======================
Driver Versions:
    Windows7 x86:2.2.2.1 x64:2.2.2.1 
Application Version: 0.8.7.0

Added MUP support.
Added support for Windows 7 x86, installer supports Windows 7 x86 and x64.
Drivers are not WHQLed.


4.11.0016 (01/10/2012)
======================
Driver Versions:
    Windows7 x86:2.2.2.2 x64:2.2.2.2 
Application Version: 0.8.8.0  

Fixed issue with locale support.
Included updated application version 0.8.8.0.
Included WHQLed driver 2.2.2.2 for Windows7 x86 and x64.


4.11.0017 (01/16/2012)
======================
Driver Versions:
    Windows7 x86:2.2.2.2 x64:2.2.2.2 
Application Version: 0.8.9.0  

Included updated application version 0.8.9.0.
Included WHQLed driver 2.2.2.2 for Windows7 x86 and x64.


4.11.0018 (01/18/2012)
======================
Driver Versions:
    Windows7 x86:2.2.2.2 x64:2.2.2.2 
Application Version: 0.9.0.0  

Included updated application version 0.9.0.0.
Included WHQLed driver 2.2.2.2 for Windows7 x86 and x64.


4.11.0021 (03/21/2012)
======================
Driver Versions:
    Windows7 x86:2.2.2.5 x64:2.2.2.5 
    Windows8 x86:2.2.2.5 x64:2.2.2.5 
Application Version: 0.9.0.0  

Added support for Windows 8
Note: IS support for Windows 8 is not available yet, so prerequisites and dependency 
checks have had to be removed in this installer as they do not work correctly on Windows 8.


4.11.0026 (06/26/2012)
======================
Driver Versions:
    Windows7 x86:2.2.2.8 x64:2.2.2.8 
    Windows8 x86:2.2.2.8 x64:2.2.2.8 
Application Version: 0.9.2.0  

Updated GUIs to version 0.9.2.0
Added runtime detection of devices supported by driver
Added runtime detection of inf file name
Modified components and features for Win8 support
Added support for MUP 2.3


4.11.0027 (07/04/2012)
======================
Driver Versions:
    Windows7 x86:2.2.2.9 x64:2.2.2.9 
    Windows8 x86:2.2.2.9 x64:2.2.2.9 
Application Version: 0.9.2.0  

Updated driver to v2.2.2.9 (non WHQLed) to correct issues introduced by Windows 8 hybrid shutdown.


4.11.0028 (07/23/2012)
======================
Driver Versions:
    Windows7 x86:2.2.2.2 x64:2.2.2.2 
    Windows8 x86:2.2.2.10 x64:2.2.2.10 
Application Version: 0.9.2.0  

Included WHQLed drivers for Windows 7 and Windows 8.

4.11.0033 (10/16/2012)
======================
Driver Versions:
    Windows7 x86:2.2.2.2 x64:2.2.2.2 
    Windows8 x86:2.2.2.10 x64:2.2.2.10 
Application Version: 0.9.3.0  

Updated GUI to correct Japanese language translation error.
Updated Control Panel Strings for Japanese language translation error.
Drivers are WHCKed.

4.11.0034 (10/26/2012)
======================
Driver Versions:
    Windows7 x86:2.2.2.13 x64:2.2.2.13 
    Windows8 x86:2.2.2.13 x64:2.2.2.13 
Application Version: 0.9.3.0  

Build with non-WHCKed drivers with support for Lynx Point chipset.


4.11.0036 (12/05/2012)
======================
Driver Versions:
    Windows7 x86:2.2.2.2  x64:2.2.2.2 
    Windows8 x86:2.2.2.10 x64:2.2.2.10 
Application Version: 0.9.4.0  

Updated GUI to version 0.9.4.0 to fix another Japanese language translation error.
Drivers are WHCKed.


4.11.0037 (12/07/2012)
======================
Driver Versions:
    Windows7 x86:2.2.2.15 x64:2.2.2.15 
    Windows8 x86:2.2.2.15 x64:2.2.2.15 
Application Version: 0.9.4.0  

Updated GUI to version 0.9.4.0 to fix another Japanese language translation error.
Driver with support for Lynx Point chipset variants (including HM87 and QM87).
Drivers are not WHCKed.


4.11.0038 (01/30/2013)
======================
Driver Versions:
    Windows7 x86:2.2.2.2 x64:2.2.2.2 
    Windows8 x86:2.2.2.10 x64:2.2.2.10 
Application Version: 0.9.4.0  

Corrected GUI License dialog artifacts.


4.11.0040 (04/16/2013)
======================
Driver Versions:
    Windows7 x86:2.2.2.17 x64:2.2.2.17 
    Windows8 x86:2.2.2.17 x64:2.2.2.17 
Application Version: 0.9.4.0  

Included WHCKed driver with Lynx Point support.


4.11.0045 (08/07/2013)
======================
Driver Versions:
    Windows7   x86:2.2.2.17 x64:2.2.2.17 
    Windows8   x86:2.2.2.17 x64:2.2.2.17 
    Windows8.1 x86:2.2.2.18 x64:2.2.2.18 
Application Version: 0.9.4.0  

Added support for Windows 8.1
Included WHQLed drivers for Win7, Win8 and Win8.1
Known Issue: On some builds of Windows 8.1, driver uninstallation via DIFxAPI and dpinst fails. 
This issue is reported by Microsoft as a bug in those OS builds and will be fixed in the future.

4.11.0045 (08/12/2013)
======================
Driver Versions:
    Windows7   x86:2.2.2.17 x64:2.2.2.17 
    Windows8   x86:2.2.2.17 x64:2.2.2.17 
    Windows8.1 x86:2.2.2.18 x64:2.2.2.18 
Application Version: 0.9.4.0  

Corrected PNPID decoration in mup.xml file.

4.11.0046 (08/13/2013)
======================
Driver Versions:
    Windows7   x86:2.2.2.17 x64:2.2.2.17 
    Windows8   x86:2.2.2.17 x64:2.2.2.17 
    Windows8.1 x86:2.2.2.18 x64:2.2.2.18 
Application Version: 0.9.4.0  

Corrected issue with driver copy during upgrades.


4.11.0047 (09/10/2013)
======================
Driver Versions:
    Windows7   x86:2.2.2.18 x64:2.2.2.18 
    Windows8   x86:2.2.2.17 x64:2.2.2.17 
    Windows8.1 x86:2.2.2.18 x64:2.2.2.18 
Application Version: 0.9.5.0  

Implemented OEM specific language requirements for Chinese-Hong Kong (display Traditional Chinese), Chinese-Macau (display Traditional Chinese) and Chinese-Singapore (display Simplified Chinese).
Updated Windows 7 driver to use WDF 1.9.


4.11.0049 (11/21/2013)
======================
Driver Versions:
    Windows7   x86:2.2.2.20 x64:2.2.2.20 
    Windows8   x86:2.2.2.20 x64:2.2.2.20 
    Windows8.1 x86:2.2.2.20 x64:2.2.2.20 
Application Version: 0.9.5.0  

Including NON WHCKed drivers with Intel Broadwell and BayTrail-M support.
For testing purposes only.


4.11.0052 (03/10/2014)
======================
Driver Versions:
    Windows7   x86:2.2.2.20 x64:2.2.2.20 
    Windows8   x86:2.2.2.20 x64:2.2.2.20 
    Windows8.1 x86:2.2.2.20 x64:2.2.2.20 
Application Version: 0.9.5.0  

Included WHQLed driver 2.2.2.20 for Windows8.1 x64.


4.11.0054 (04/16/2014)
======================
Driver Versions:
    Windows7   x86:2.2.2.20 x64:2.2.2.20 
    Windows8   x86:2.2.2.20 x64:2.2.2.20 
    Windows8.1 x86:2.2.2.20 x64:2.2.2.20 
Application Version: 0.9.5.0  

Included WHQLed driver 2.2.2.20 for Windows 7, 8, and 8.1.


4.11.0060 (12/02/2014)
======================
Driver Versions:
    Windows7   x86:2.2.3.2 x64:2.2.3.2 
    Windows8   x86:2.2.3.2 x64:2.2.3.2 
    Windows8.1 x86:2.2.3.2 x64:2.2.3.2 
    Windows10  x86:2.2.3.2 x64:2.2.3.2 
Application Version: 0.9.5.0  

Added support for Windows 10 and updated to support MUP 2.4.3.
Included driver 2.2.3.2 WHCKed for windows 7, 8, and 8.1, non-WHCKed for Windows 10.


4.11.0061 (01/06/2015)
======================
Driver Versions:
    Windows7   x86:2.2.3.2 x64:2.2.3.2 
    Windows8   x86:2.2.3.2 x64:2.2.3.2 
    Windows8.1 x86:2.2.3.2 x64:2.2.3.2 
    Windows10  x86:2.2.3.2 x64:2.2.3.2 
Application Version: 0.9.5.0  

Patched the script to detect new version of Windows 10.


4.11.0063 (01/23/2015)
======================
Driver Versions:
    Windows7   x86:2.2.3.6 x64:2.2.3.6 
    Windows8   x86:2.2.3.6 x64:2.2.3.6 
    Windows8.1 x86:2.2.3.6 x64:2.2.3.6 
    Windows10  x86:2.2.3.6 x64:2.2.3.6 
Application Version: 0.9.5.0  

Included NON WHCKed driver with Intel Skylake support.


4.11.0065 (04/27/2015)
======================
Driver Versions:
    Windows7   x86:2.2.3.7 x64:2.2.3.7 
    Windows8   x86:2.2.3.7 x64:2.2.3.7 
    Windows8.1 x86:2.2.3.7 x64:2.2.3.7 
    Windows10  x86:2.2.3.7 x64:2.2.3.7 
Application Version: 0.9.5.0  

Included WHCKed Win7, 8, 8.1 driver, Win10 is non-WHCKed.
Installer update to fix MUP CVT issues.


4.11.0067 (06/08/2015)
======================
Driver Versions:
    Windows7   x86:2.2.3.7 x64:2.2.3.7 
    Windows8   x86:2.2.3.7 x64:2.2.3.7 
    Windows8.1 x86:2.2.3.7 x64:2.2.3.7 
    Windows10  x86:2.2.3.7 x64:2.2.3.7 
Application Version: 0.9.5.0  

Included HLKed Win10 driver.


4.11.0069 (06/25/2015)
======================
Driver Versions:
    Windows7   x86:2.2.3.7 x64:2.2.3.7 
    Windows8   x86:2.2.3.7 x64:2.2.3.7 
    Windows8.1 x86:2.2.3.7 x64:2.2.3.7 
    Windows10  x86:2.2.3.7 x64:2.2.3.7 
Application Version: 0.9.7.0  

Included GUI with better multilingual translation.


4.11.0071 (08/06/2015)
======================
Driver Versions:
    Windows7   x86:2.2.3.7 x64:2.2.3.7 
    Windows8   x86:2.2.3.7 x64:2.2.3.7 
    Windows8.1 x86:2.2.3.7 x64:2.2.3.7 
    Windows10  x86:2.2.3.8 x64:2.2.3.8 
Application Version: 0.9.7.0  

Included distributable Windows 10 WHQLed driver.

Download Driver Pack

How To Update Drivers Manually

After your driver has been downloaded, follow these simple steps to install it.

  • Expand the archive file (if the download file is in zip or rar format).

  • If the expanded file has an .exe extension, double click it and follow the installation instructions.

  • Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.

  • Find the device and model you want to update in the device list.

  • Double-click on it to open the Properties dialog box.

  • From the Properties dialog box, select the Driver tab.

  • Click the Update Driver button, then follow the instructions.

Very important: You must reboot your system to ensure that any driver updates have taken effect.

For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.

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