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Embedded Controller Program (Non-Diskette) - ThinkPad X20, X21
Applicable countries and regions
This Embedded Controller Program Update Utility updates the embedded controller program (H8 controller firmware) stored in the ThinkPad system to fix problems, add new functions, or expand functions as noted below.

This release supports the following systems:
- ThinkPad X20, X21

The supported operating systems for this diskless utility are as follows:
- Microsoft Windows 95 OSR2 or later(*1)
- Microsoft Windows 98
- Microsoft Windows 98 Second Edition(*2)
- Microsoft Windows Me
- Microsoft Windows NT 4.0 with Service Pack 6 or later
- Microsoft Windows 2000

NOTES:
*1: See the Known Limitations section.
*2: Before using the Embedded Controller Program Update Utility with Windows 98 Second Edition, IBM recommends that you download and apply the Windows 98 Second Edition Shutdown Supplement from the Microsoft Support Web Site. See the Installation instructions section below for more information.
File details
Version: 1.36
Release Date: 2002/10/25
 File link     File size     File description
mbcuiz36.exe     544,291     Version 1.36 - Embedded Controller Program Update Utility

mbcuiz36.txt     11,346     README for version 1.36 - Embedded Controller Program Update Utility

Additional information
Use the links below to obtain BIOS and Embedded Controller files in other file formats:

This Additional Information field contains the following sections:
I. Summary of changes
II. Installation instructions

III. Determining which version is installed
IV. Known Limitations

I. Summary of changes
Version 1.36
NOTE:
This version of the Embedded Controller program will only work with the BIOS 2.22 (or higher).

  • (New) Power Management Update - enhancement of CPU thermal controls.

Click here for a complete list of changes fixed by this Embedded Controller Program Update Utility.

II. Installation instructions
NOTES
:

  • 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 port replicator, turn off the computer and detach it before proceeding.
  • Make sure the Embedded Controller Program Service Diskette is write-protected.
  • Before using the Embedded Controller Program Update Utility with Microsoft Windows 98 Second Edition, IBM recommends that you apply the Windows 98 Second Edition Shutdown Supplement from the Microsoft Web Site Knowledge Base Article ID Q239887.
  1. Print these instructions or display on another computer.
  2. Firmly connect the AC adapter to the computer.
  3. Start Microsoft Windows 95/98/Me or start Windows NT 4.0/2000 and log on with the user ID authorized as an administrator on the target computer.
  4. Extract this package onto the hard disk drive.
  5. Click Start, then click Run.
  6. Specify filename with the full path name where you stored the package. Then click OK.
  7. Follow the instructions until the computer is automatically restarted and a menu is displayed.
  8. Select 2. KBC H8 BIOS flash? from the menu.
  9. Press the N key to continue the update.
  10. When completed, the computer is automatically turned off.

WARNING: 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, please refer to the Determining which version is installed section below and follow the steps to confirm the update is correctly applied.

III. Determining which version is installed
NOTES:

  • Each version of the Embedded Controller Program Update Utility contains the following embedded controller program.
  • The version of embedded controller program can be viewed by invoking IBM BIOS Setup Utility. To enter the IBM BIOS Setup Utility:
  1. Turn off the computer.
  2. Make sure there is no diskette is inserted in the diskette drive.
  3. Turn on the computer.
  4. 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.
  5. Check Embedded Controller Version number.
Update Utility version Embedded Controller Program version
1.10 1.10 not available
1.11 1.11 not available
1.13 1.13 not available
1.18 1.18 not available
1.19 1.19 not available
1.24 1.24 not available
1.26 1.26 not available
1.27 1.27 not available
1.28 1.28 not available
1.29 1.29 embcntux
1.31 1.31 mbcuiz31
1.33 1.33 mbcuiz33
1.35 1.35 mbcuiz35
1.36 1.36 current release

IV. Known Limitations
To execute this package on Windows 95, the following modules are required:

  • MSVCRT.DLL
  • MFC42.DLL
Applicable countries and regions
Worldwide

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Document id:  MIGR-4VQNTP
Last modified:  2002-11-08
Copyright © 2010 IBM Corporation
Copyright © Lenovo 2010, all rights reserved
 
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