Click here for instructions and limitations on downloading and creating the diskette.

• (Fix) Improve battery current protection logic.

Click here for a complete list of changes fixed by this driver update.

• You need an AC adapter and a charged battery pack to update the embedded controller program.
• If your computer is attached to any kind of docking station or port replicator, turn off the computer and detach it before proceeding.

1. Print these instructions or display on another computer.
2. Firmly connect the AC adapter to the computer.
3. Insert the Embedded Controller Program Service Diskette into the diskette drive and turn on the computer.
4. Select Read this first from the menu and carefully read the information that appears.
5. Press the Esc key to return to the menu.
6. Select Update Embedded Controller program and follow the instruction on the screen.
   
   Attention: Do not turn off or suspend the computer until the update has been completed. If you turn off or suspend the computer while the update is still in progress, the system board may have to be replaced.
   
   After the update has been completed, do the following to make the changes effective.
7. Make sure there is no diskette in the diskette drive, then turn off the computer.
8. Turn on the computer.
9. While the Press F1 for IBM BIOS Setup Utility message is displayed at the lower-left area of the screen, press the F1 key. The IBM BIOS Setup Utility menu will be displayed. If a password prompt appears, type the correct password.
10. Check Embedded Controller Version.
    
    

• Each version of the Embedded Controller Program Service Diskette contains the following embedded controller program.
• The version of embedded controller program can be viewed by running ThinkPad Configurator from your operating system and selecting the System Information button and the BIOS information button, or
• The version of embedded controller program can be viewed by invoking IBM BIOS Setup Utility.
  To enter the IBM BIOS Setup Utility:

1. Make sure there is no diskette in the diskette drive, then turn off the computer.
2. Turn on the computer.
3. While the Press F1 for IBM BIOS Setup Utility message is displayed at the lower-left area of the screen, press the F1 key. The IBM BIOS Setup Utility menu will be displayed. If a password prompt appears, type the correct password.
4. The embedded controller program version is displayed on the first screen of the IBM BIOS Setup Utility.