Revision : 02 -------------------------------------------------------------------------------- Software name Lenovo Power Management Driver Support models Windows 8 support: - Lenovo V480/V480c, V580/580c, B480, B580 - Lenovo V480s - Lenovo V490u - Lenovo B475e, B575e, B490, B590 - Lenovo B430 - Lenovo M490, M495 - Zhaoyang K29, Zhaoyang K49, Zhaoyang E49 - ThinkPad Edge E130, E135 - ThinkPad Edge E330, E335 - ThinkPad Edge E430, E530 - ThinkPad Edge E435, E535 - ThinkPad L330 - ThinkPad T430u - ThinkPad T420/T420i - ThinkPad T520/T520i - ThinkPad W520 - ThinkPad T420s/T420si - ThinkPad X220/X220i - ThinkPad X220 Tablet/X220i Tablet - ThinkPad X1/X1 Hybrid - ThinkPad E420/E425/E520/E525 - ThinkPad T410/T410i - ThinkPad T510/T510i - ThinkPad W510 - ThinkPad T410s/T410si - ThinkPad X201/X201i - ThinkPad X201s/X201si - ThinkPad X201 Tablet/X201i Tablet - ThinkPad E320/E325 - ThinkPad X121e - ThinkPad E120/E125 - ThinkPad X130e - ThinkPad L420/L520 - ThinkPad Edge 15"/E50 - ThinkPad Edge 14"/E40 - ThinkPad X120e - ThinkPad X100e - ThinkPad L412/L512 - ThinkPad E420s/E220s - ThinkPad T430/T430i - ThinkPad T530/T530i - ThinkPad Twist - ThinkPad W530 - ThinkPad T430s/T430si - ThinkPad X230/X230i - ThinkPad X230 Tablet /X230i Tablet - ThinkPad X1 Carbon - ThinkPad L430/L530 - ThinkPad X131e - ThinkPad S230u Twist - ThinkPad S430 Operating Systems Microsoft Windows 8 32-bit, 8 64-bit, Refer to marketing materials to find out what computer models support which Operating Systems. Version 1.66.0.14 -------------------------------------------------------------------------------- WHAT THIS PACKAGE DOES With this package installed, Power Management Driver supports power management on Lenovo computers. If the Power Management Driver program is already installed, overwrite-installing this package will fix problems, add new functions, or expand functions as noted below. This program is language-independent and can be used in systems of any languages. -------------------------------------------------------------------------------- CHANGES IN THIS RELEASE Version 1.66.0.14 [Important updates] Nothing. [New functions or enhancements] - Added support for all models except ThinkPad S230u. [Problems fixed] - Corrected the model name from ThinkPad S230u to ThinkPad S230u Twist and ThinkPad Twist in this Readme document. -------------------------------------------------------------------------------- DETERMINING WHICH VERSION IS INSTALLED Method 1: If you have the original extracted files, find the DISKKU.VER file. You can see the version information using a text editor. Method 2: [Windows 8] 1. Hold down the Windows logo key and press X to open a menu at the lower-left area of the screen. 2. Select Control Panel from the menu. 3. Make sure "View by Category" is selected, and click Uninstall a program. 4. Click Organize, select Layout, then select Details Pane. The Details Pane will be shown at the bottom of screen. 5. Select Lenovo Power Management Driver. 6. Check the product version in the Details Pane. -------------------------------------------------------------------------------- NOTES Nothing. -------------------------------------------------------------------------------- INSTALLATION INSTRUCTIONS Note: - 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 This section assumes to use Internet Explorer and Windows Explorer. Downloading file 1. Click once on the underlined file name. Once this is done, some pop-up windows will appear. 2. Follow the instructions on the screen. 3. In the window to choose Run or Save, click Save. 4. Choose the folder you would like to download the file to and click 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 file 5. Make sure to be logged on with an administrator account. 6. Locate the folder where the file was downloaded. 7. Locate the file that was downloaded and double-click it. 8. Follow the instructions on the screen. 9. In the Select Destination Location window, click Next. If you would like to select a different folder, click Browse. 10. In the Ready to Install window, click Install. All the necessary files will be extracted to the folder selected in the step 9. Installing files 11. Make sure the checkbox next to "Install ..... now" is checked and click Finish. 12. Follow the instructions on the screen to complete installation and restart the computer. Finally delete the file saved in the step 4. Unattended Install This is for system administrators' use only. 1. Refer to the Manual Install section, and download and extract the file. 2. In the step 11 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 setup.exe with the -S -SMS options. Example: [Path where the files were extracted]\setup -S -SMS -------------------------------------------------------------------------------- UNINSTALLATION INSTRUCTIONS Manual Uninstall 1. Start Windows and logon with an administrator account. 2. Hold down the Windows logo key and press X to open a menu at the lower-left area of the screen. 3. Select Programs and Features from the menu. 4. Select Lenovo Power Management Driver, and click Uninstall or Uninstall/Change. 5. Follow the instructions on the screen to complete uninstallation and restart the computer. -------------------------------------------------------------------------------- VERSION INFORMATION The following versions have been released to date. Package Rev. Issue Date ---------- ---- --------------- 1.66.0.14 02 2012/11/02 1.66.0.14 01 2012/09/24 Note: Revision number (Rev.) is for administrative purpose of this readme document and is not related to the software version. There is no need to upgrade this software when the revision number of the same package version changes. To check the software version, refer to the DETERMINING WHICH VERSION IS INSTALLED section. SUMMARY OF CHANGES < > Package version number [Important] Important update (New) New function or enhancement (Fix) Correction to existing function <1.66.0.14> -(New) Added support for all models except ThinkPad S230u. -(Fix) Corrected the model name from ThinkPad S230u to ThinkPad Twist and ThinkPad S230u Twist in this Readme document. <1.66.0.14> -(New) Initial release for ThinkPad S230u. -------------------------------------------------------------------------------- LIMITATIONS Nothing. -------------------------------------------------------------------------------- TRADEMARKS * Lenovo and ThinkPad are registered trademarks of Lenovo. * Microsoft and Windows are registered trademarks of Microsoft Corporation. Other company, product, and service names may be registered trademarks, trademarks or service marks of others.