                                                                   Revision : 01
--------------------------------------------------------------------------------
Software name      Thunderbolt Firmware Update Utility for Windows 10

Support models     ThinkPad X1 Carbon 7th (Machine types: 20QD, 20QE, 20R1, 20R2)
                   ThinkPad X1 Yoga 4th   (Machine types: 20QF, 20QG, 20SA, 20SB)

Operating System   Microsoft Windows 10 64-bit (Version 1709 or later)

Version            1.1.10.3-N2HTF07W

Support device     Intel Thunderbolt Controller


--------------------------------------------------------------------------------
WHAT THIS PACKAGE DOES

  This package updates Thunderbolt firmware of the following device.

  Device name    Device name in the Device Manager
  -----------    ---------------------------------
  Thunderbolt    Thunderbolt(TM) Controller - 15D2


  This program is language independent and can be used with any language system.


--------------------------------------------------------------------------------
CHANGES IN THIS RELEASE
  Version 1.1.10.3-N2HTF07W

[Important updates]
 Nothing.

[New functions or enhancements]
- Updated FW update tool version to 1.1.10.3.

[Problem fixes]
 Nothing.


--------------------------------------------------------------------------------
DETERMINING WHICH VERSION IS INSTALLED

Firmware Build ID/NVM Firmware Version

Method 1: (FW Build ID)
  1. Boot Windows.
  2. Open command prompt with administrator privileges.
  3. Locate the firmware update package folder then go to 'detect' subfolder.
  4. Run detect1909ur.exe.
     Example:
     C:\DRIVERS\WIN\ThunderboltFW\detect\detect1909ur.exe

     detect1909ur.exe shows firmware build ID, NVM version and Thunderbolt Driver
     version.

Method 2: (NVM Version Number)
  1. Click the Start button at the bottom left of the screen.
  2. Find and open "Thunderbolt Control Center" application.
  3. Open Navigation and select the "About" tab.
  5. Find NVM firmware version number.


--------------------------------------------------------------------------------
NOTES

- You need to install Thunderbolt Driver before firmware update.
  If your system use the preload environment, Thunderbolt Software is installed.

- Power Management driver is required. Please install it first before firmware
  is updated. If your system use the preload environment, Power Management driver 
  is installed.

- Unplug Thunderbolt devices, USB devices, and display monitors from USB Type-C
  connectors while updating Thunderbolt firmware.

- Make sure AC adapter is plug-in and battery charging remaining is enough.


--------------------------------------------------------------------------------
UPDATE INSTRUCTIONS

Notes:
- If your computer runs satisfactorily now, it may not be necessary to update
  the software. To determine if you should update the software, refer to the
  Version Information section.

Manual Install

  1. Make sure to be logged on with an administrator account and that power
     source is AC.
  2. Unplug Thunderbolt devices, USB devices, and display monitors from USB Type-C
     connectors.

  This section assumes to use Internet Explorer and Windows Explorer.

  Downloading file
  3. Select the underlined file name. Once this is done, some pop-up windows
     will appear.
  4. Follow the instructions on the screen.
  5. In the window to choose Run or Save, select Save.
  6. Choose the folder you would like to download the file to, and select Save.
     A different window will appear and the download will begin and complete.
     Once the download has completed, there may or may not be a message stating
     that the download completed successfully.

  Extracting files
  7. Locate the folder where the file was downloaded.
  8. Locate the file that was downloaded and double-click/double-tap it.
  9. Follow the instructions on the screen.
 10. In the Select Destination Location window, select Next. If you would like
     to select a different folder, select Browse.
 11. In the Ready to Install window, select Install. All the necessary files
     will be extracted to the folder selected in the step 9.

  Installing files
 12. Make sure the checkbox next to "Install ..... now" is checked and click
     Finish.
 13. Follow the instructions on the screen to complete installation
 14. Restart the computer.

  Finally delete the file saved in the step 6.


  Unattended Update

  This is for system administrators' use only.

  1. Refer to the Manual Install section, and download and extract the file.
  2. In the step 12 of the Installing files section, uncheck the checkbox next
     to "Install ..... now", and then click Finish to cancel installation.
  3. At the command line, execute FwUpdateTool1909ur.exe with "1 -s" option.
     Example: [Path where the files were extracted]\FwUpdateTool1909ur.exe 1 -s
  4. Restart the computer.


--------------------------------------------------------------------------------
VERSION INFORMATION

  The following versions have been released to date.

  Package   Update   Firmware   NVM    PD Version    Rev.  Issue Date
  Build ID  Tool     Build ID   Image
  --------  -------  ---------  -----  ----------    ----  ----------
  N2HTH03W  1.1.10.3 N2HTF07W   43     F407.6.15     01    2019/10/04
  N2HTH02W  1.1.10.1 N2HTF07W   43     F407.6.15     01    2019/08/30
  N2HTH01W  1.1.7.1  N2HTF06W   41     F407.6.15     01    2019/05/28


  Note: Revision number (Rev.) is for administrative purpose of this README
        document and is not related to software version. There is no need to
        upgrade this software when the revision number changes.

  To check the version of software, refer to the Determining which version is
  installed section.


Summary of Changes

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


<1.1.10.3-N2HTF07W>
- (New) Updated FW update tool version to 1.1.10.3.

<1.1.10.1-N2HTF07W>
- (New) Intel NVM version update to 43.
- (New) Updated FW update tool version to 1.1.10.1.
- (New) Added support for ThinkPad X1 Carbon 7th (Machine types: 20R1, 20R2)
                          ThinkPad X1 Yoga 4th   (Machine types: 20SA, 20SB).

<1.1.7.1-N2HTF06W>
- (New) Initial release for ThinkPad X1 Carbon 7th (Machine types: 20QD, 20QE)
                            ThinkPad X1 Yoga 4th   (Machine types: 20QF, 20QG).


--------------------------------------------------------------------------------
LIMITATIONS

  Nothing.


--------------------------------------------------------------------------------
TRADEMARKS

* Lenovo and ThinkPad are registered trademarks of Lenovo.

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

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