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

	Summary of changes
	Installation instructions
	Determining which version is installed

• (New) Support for ThinkPad NumLock. Refer to the description of version 1.48 in the Readme file of ThinkPad R51e BIOS.

Version 78HT05WW (1.00)
Note: This version of Embedded Controller Program will only work with BIOS Version 1.05 (or higher).

• (New) Support for ThinkPad R51e. (Initial release)

• 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 a USB Diskette Drive is attached to your computer, turn off the computer and detach it before proceeding.

1. Print these instructions or display on another system.
2. Firmly connect the AC adapter to the system.
3. Start Microsoft Windows XP/2000 and logon with administrative privileges on the target system.
4. Make a temporary directory on the hard drive (for instance, C:\Temp)
5. Download the Embedded Controller Program Update Utility from the web site and store the file into the temporary directory.
6. Click Start, then click Run.
7. In the Open dialogue box, specify the utility filename with the full path name where you stored Embedded Controller Program Update Utility. (e.g. C:\Temp\78HJ02US.EXE) and then press the Enter key
   
   Note: For unattended update, specify the file name with options "-s -a -s". (e.g. C:\Temp\78HJ02US.EXE -s -a -s) The Embedded Controller Program is updated without any user interaction.
   
   
8. Follow the instructions on the screen.
   
   Depending on the operating system configuration, restarting the operating system and rerunning this Embedded Controller Program update utility may be required. In this case, the following message will appear on the screen.
   
   "DeviceIoControl() returns 2 Please restart your operating system and execute the BIOS or Embedded Controller update utility again."
   
   
9. Select Read this first from the menu and carefully read the information that appears.
10. Press the Esc key to return to the menu.
11. Select Update Embedded Controller program and follow the instruction on the screen.
    
    Attention: Do not turn off or suspend the system until the update has been completed. If you turn off or suspend the system while the update is still in progress, the system board may have to be replaced.
    
    After the update has been completed, the system is automatically turned off.
    Do the following to make sure the Embedded Controller program is updated correctly.
    
    
12. Turn on the system.
13. While the To interrupt normal startup, press the blue Access IBM button message is displayed at the lower left of the screen, press the Access IBM button.
14. Select Start setup utility. If you have set a supervisor password, the BIOS Setup Utility menu appears after you type in the password.
15. Verify the Embedded Controller Version.

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