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

This Additional Information field contains the following sections:
I. Summary of changes
II. Installation instructions
III. Determining which version is installed

I. Summary of changes
Version 1.06a - 1AHT23WW
Note: This version of Embedded Controller Program will only work with BIOS Version 1.18 (or higher).

• (New) Enhancement of the battery control.

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

II. Installation instructions
Notes:

• Remove the Power-on password prior to updating the Embedded Controller Program in RDM (Remote Deployment Manager) environment or similar environment.
• 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.
• Make sure the Embedded Controller Program Service Diskette is write-protected.

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.
   
   Note: If you are updating the Embedded Controller Program through the USB external diskette drive, it will take quite a long time to complete reading the Embedded Controller Program file, but it is normal. Continue the update.
   
   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 on the computer.
8. While the "To interrupt normal startup, press the blue Access IBM button" message is displayed at the lower-left area of the screen, press the Access IBM button.
9. Double-click Start setup utility. The BIOS Setup Utility menu will be displayed. If you have set a supervisor password, the BIOS Setup Utility menu appears after you enters the password.
10. Verify the Embedded Controller Version.
11. Turn off the computer.

III. Determining which version is installed
Each version of the Embedded Controller Program Service Diskette contains the following Embedded Controller Program. Also the supported BIOS versions are shown below. The versions of Embedded Controller Program and BIOS can be viewed by running ThinkPad Configuration from the operating system and then selecting the System Information button, or by entering BIOS Setup Utility.

1. Turn off the computer.
2. Turn on the computer.
3. While the "To interrupt normal startup, press the blue Access IBM button" message is displayed at the lower-left area of the screen, press the Access IBM button.
4. Double-click Start setup utility. The BIOS Setup Utility menu will be displayed. If a password prompt appears, type the correct password.
5. Check the Embedded Controller Version and the BIOS Version.
6. Turn off the computer.
   
   

   Diskette version	Embedded Controller program version	Previous release
   1.00	1.00	Not released to the Web
   1.02	1.02	embct1ad
   1.03	1.03	embc1d1d
   1.04	1.04	embc1d20
   1.05	1.05	embc1d21
   1.06	1.06a	Current release