Revision : 01
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Software name      Lenovo System Interface Foundation

Supported models     ThinkPad, ThinkCentre, IdeaPad, IdeaCentre, ThinkStation

Operating Systems  Microsoft Windows 10  32-bit, 64-bit                

Version            1.1.18.1


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WHAT THIS PACKAGE DOES

  Lenovo System Interface Foundation is a necessary component of the following Universal Windows Platform Application:

    - Lenovo Vantage 4.0
    - Lenovo Settings for Enterprise 4.10
  
  It provides the required communication between this application and the computer hardware.

  This package updates the Lenovo System Interface Foundation to fix problems, add new
  functions, or expand functions as noted below.

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CHANGES IN THIS RELEASE
  Version 1.1.18.1

[Important updates]
- Support Vantage 3.0
- Improved stability, and defect fixes.

[New functions or enhancements]
  Nothing.

[Problem fixes]
  Nothing.


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DETERMINING WHICH VERSION IS INSTALLED


 [Checking on Windows]

  Windows 10:

  1. Open Device Manager.
  2. Expand System devices.
  3. Right click System Interface Foundation V2 Device and select Properties.
  4. Click the Driver tab.
  5. Read the Driver Version.

  If you are prompted for an administrator password or confirmation, type your
  password, or click Continue.


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VERSION INFORMATION

Summary of Changes

  Where: <   >        Lenovo System Interface Foundation version number
         [Important]  Important update
         (New)        New function or enhancement
         (Fix)        Correction to existing function

<1.1.18.1>
- (New) Support Vantage 3.0
- (Fix) Improved software stability.

<1.1.18.0>
- (Fix) Improved software stability.

<1.1.17.2>
- (Fix) Improved software stability.

<1.1.17.1>
- (New) Windows RS5 support
- (Fix) Improved software stability.

<1.1.16.0>
- (New) Detect S mode
- (Fix) Improve request response time

<1.1.15.0>
- (Fix) Ensure software remains installed after Windows10 1803 recovery.

<1.1.14.0>
- (New) Microsoft DCH compliant driver.
- (Fix) Improved software stability.


<1.1.13.0>
- (New) Support Lenovo Vantage 4.0.
- (New) Change from MSI install to INF install.
- (Fix) Improve update process.


<1.0.78.0>
- (Fix) Improve component update process.

<1.0.76.0>
- (Fix) Correct file and folder permissions.

<1.0.71.4>
- (Fix) Reduce resource consumption.

<1.0.70.4>
- (Fix) Install updated plugins with software upgrade.
- (Fix) Make MTM information available to update software.

<1.0.70.2>
- (Fix) Improved software stability.

<1.0.69.2>
- (Fix) Improved software security.
- (New) Control use and installation of LSIF components.

<1.0.67.1>
- (Fix) Improved software security.
- (Fix) Improved software performance.

<1.0.66.0>
- (Fix) Improved software stability.

<1.0.62.0>
- (Fix) Corrected communication problem after resume from standby.

<1.0.59.1>
- [Important] Improved software performance.

<1.0.51.2>
- [Important] Improved software performance.

<1.0.48.0>
- (Fix) Improved software stability and added software functionality. 

<1.0.46.0>
- [Important] Added file validation and install localization.

<1.0.44.0>
- [Important] Improved upgrade experience from Windows 8.1 to Windows 10.   

<1.0.40.0>
- [Important] Improved software stability.   

<1.0.34.0>
- (New) Initial release for Lenovo computers.


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LIMITATIONS

  Nothing.


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TRADEMARKS

* Lenovo, ThinkPad, ThinkCentre, IdeaPad, IdeaCentre, and ThinkVantage are registered trademarks of Lenovo.

* Intel is a registered trademark of Intel Corporation.
* Microsoft, BitLocker, Internet Explorer and Windows are registered trademarks
  of Microsoft Corporation.

Other company, product, and service names may be registered trademarks,
trademarks or service marks of others.