IBM ThinkPad A31p/A31 December 09, 2004 Embedded Controller Program Service Diskette Version 1.04 (1GHT17WW) ====================================================================== Notice: ------- This program is language independent and can be used with any language system. What This Diskette Does ----------------------- The Embedded Controller Program Service Diskette given here can update the embedded controller program (H8 controller firmware) stored in the ThinkPad system to fix problems, add new functions, or expand functions. This release supports the following system: - ThinkPad A31p 2653-Hxx/Jxx/Lxx/Nxx - ThinkPad A31 2652-Axx/Bxx/Cxx/Dxx/Exx/Jxx/Kxx/Mxx, 2654-Cxx To determine if you have to update the embedded controller program, refer to the Summary of Changes section. To update the embedded controller program, refer to the Installation instructions section. Released Versions ----------------- Version 1.00 (1GHT13WW) Initial Release Version 1.01 (1GHT14WW) A fix for some problems Version 1.02 (1GHT15WW) A fix for some problems Version 1.03 (1GHT16WW) A fix for some problems Version 1.04 (1GHT17WW) A fix for some problems Summary of Changes ------------------ Key: Diskette Version (for example, 1.00 means Version 1.00) (New) New Function or Enhancement (Fix) Correction to existing function <1.00 - 1GHT13WW> - (New) Support for ThinkPad A31p/A31. <1.01 - 1GHT14WW> - (Fix) Battery may not charge when the ThinkPad system is powered off. <1.02 - 1GHT15WW> -(Fix) Fixed the unexpected system restart during standby/resume operation, caused by fault recognition of a non-existing secondary battery. -(New) Enhancement of the battery control. <1.03 - 1GHT16WW> -(Fix) Fixed problems introduced by the previous release, 1.02 - 1GHT15WW. - Password prompt appears twice even if the Power on password and the Hard disk drive password are identical. - Fail to resume after suspend. <1.04 - 1GHT17WW)> - (Fix) Charge stops on some batteries. 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 docking station or port replicator, turn off the computer and detach it before proceeding. - Press F1 during startup when the IBM logo is displayed. The initial BIOS screen will display the BIOS version. If the BIOS version begins with 1G this embedded controller is supported on this system. If the BIOS version begins with 1N this embedded controller is not supported on this machine. 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 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. Embedded Controller Program Information --------------------------------------- Each version of the Embedded Controller Program Service Diskette contains the following embedded controller program. The version of embedded controller program can be viewd by running ThinkPad Configurator from your operating system and selecting the System Information button or by invoking 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 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. Diskette Embedded Controller Version Program Version --------- -------------------- 1.01 1.01 1.02 1.02 1.03 1.03 1.04 1.04 Trademarks ---------- * IBM and ThinkPad are trademarks of IBM Corporation in the United States. * Windows is a trademark of Microsoft Corporation. Other company, product, and service names may be registered trademarks, trademarks or service marks of others.