ThinkPad X41 February 01, 2006 Embedded Controller Program Service Diskette Embedded Controller Program Version : 1.01 (74HT26WW) ====================================================================== Notes: ------- - This version of Embedded Controller Program will only work with BIOS Version 1.00 (or higher). Obtain the additional package, BIOS Version 1.00 (or higher). - If you should update the BIOS as well as the Embedded Controller Program, update BIOS first. - This program is language independent and can be used with any language system. What This Diskette Does ----------------------- This Embedded Controller Program Service Diskette 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 X41 To determine if you should update the Embedded Controller Program, refer to the Summary of Changes section. To update the Embedded Controller Program, refer to the Updating Embedded Controller Program section. Released Versions ----------------- Where: Embedded Controller Program version (Internal ID) 1.00 (74HT25WW) Initial release for ThinkPad X41 1.01 (74HT26WW) Problem fixes and feature enhancements Summary of Changes ------------------ Where: x.xx : Embedded Controller Program version bbbbbbbb : Embedded Controller Program internal ID which is for administrator purpose. (New) New Function or Enhancement (Fix) Correction to existing function <1.00 (74HT25WW)> Note: This version of Embedded Controller Program will only work with BIOS Version 1.00 (or higher). - (New) Support for ThinkPad X41. <1.01 (74HT26WW)> Note: This version of Embedded Controller Program will only work with BIOS Version 1.00 (or higher). - (Fix) Fix for battery information query procesiing. - (Fix) CPU fan state may not be correctly initialized. - (Fix) Adjustment for CPU thermal sensor error may not work. - (New) Support "ThinkPad NumLock" control. Note: "ThinkPad NumLock" menu item is available in the BIOS Setup Utility only when the BIOS is also updated to version 2.05 (74ET60WW) or later. Updating Embedded Controller Program ------------------------------------ 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. - 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 write protected 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, the system is automatically turned off. Do the following to make sure the Embedded Controller Program is updated correctly. 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 F1 key. The BIOS Setup Utility menu will be displayed. If a password prompt appears, type the correct password. 9. Verify the Embedded Controller Version. 10. Turn off the computer. Embedded Controller Program Information --------------------------------------- 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 your operating system and then selecting the System Information button, or by entering BIOS Setup Utility. Embedded Controller BIOS Version Program Version (Internal ID) ------------------- ---------------- 1.00 (74HT25WW) 1.00 (or higher) 1.01 (74HT26WW) 1.00 (or higher) To enter the 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 F1 key. 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. Trademarks ---------- * ThinkPad is registered trademark of Lenovo in the United States. * IBM and OS/2 are registered trademarks of IBM Corporation. * Intel, Pentium and Centrino are registered trademarks of Intel Corporation. * Microsoft, Windows and Windows NT are registered trademarks of Microsoft Corporation. Other company, product, and service names may be registered trademarks, trademarks or service marks of others.