---------------------------------------------------------------------- Software Name Embedded Controller Program (Embedded Controller Program Service Diskette) Support models ThinkPad R52 (Machine Types 1858, 1859, 1860, 1861, 1862, 1863, 1958) ThinkPad T43 (Machine Types 1871, 1872, 1873, 1874, 1875, 1876) Operating Systems Not applicable Version 1.05 Issue date June 1, 2006 ---------------------------------------------------------------------- WHAT THIS PACKAGE DOES This Embedded Controller Program Service Diskette updates the embedded controller firmware stored in the ThinkPad computer to fix problems, add new functions, or expand functions as noted below. This program is language independent and can be used with any language system. ---------------------------------------------------------------------- CHANGES IN THIS RELEASE [Important Updates] Nothing. [New functions or enhancements] Nothing. [Problem fixes] - Previously released the Embedded Controller version 1.04 (70HT27WW) may cause spontaneous wrong key input when you press keys on the external PS/2 type keyboard. - Numeric characters (2, 4, 6 and 8) may be inserted while the cursor keys are pressed. - Shift key operation is done without pressing the shift key. - Only upper case characters are typed. - Multiple selections with the cursor keys - Numeric keypad may work as the cursor keys. ---------------------------------------------------------------------- DETERMINING WHICH VERSION IS INSTALLED There are two ways for version check. (A) On Windows (B) On BIOS Setup Utility (A) On Windows 1. Start the ThinkPad Configuration program. Click Start, select All Programs (or Programs), select ThinkVantage, and then click ThinkPad Configuration. 2. Click the System Information icon. 3. Click the BIOS information tab. BIOS version and Embedded Controller version will be displayed. 4. Click OK to exit. (B) On 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 Embedded Controller Version and BIOS Version. 5. Turn off the computer. ---------------------------------------------------------------------- NOTES - This version of Embedded Controller Program will only work with BIOS Version 1.24 or higher. Obtain the additional package, BIOS Version 1.24 or higher, and update the BIOS in the system with it. - If you need to update the BIOS as well as the Embedded Controller Program, update BIOS first. ---------------------------------------------------------------------- UPDATE INSTRUCTIONS Notes: - If your computer runs satisfactorily now, it may not be necessary to update the Embedded Controller Program. To determine if you should update the Embedded Controller Program, refer to the Version Information section. - 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. - Remove the Power-on password prior to updating the Embedded Controller Program in RDM (Remote Deployment Manager) environment or similar environment. 1. Firmly connect the AC adapter to the computer. 2. Insert the write protected Embedded Controller Program Service Diskette into the diskette drive and turn on the computer. 3. Select Read this first from the menu and carefully read the information that appears. 4. Press the Esc key to return to the menu. 5. Select Update Embedded Controller Program and follow the instructions 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. Warning: Do not turn off, suspend the computer or remove the diskette 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. ---------------------------------------------------------------------- VERSION INFORMATION The following versions of Embedded Controller Program have been released to date. Moreover, the BIOS is prepared according to them. Embedded Controller Program Version Internal ID BIOS Version ------------------- ----------- -------------- 1.05 70HT28WW 1.24 or higher 1.04 70HT27WW 1.24 or higher 1.03 70HT26WW 1.01 to 1.23 1.01 70HT24WW 1.01 to 1.23 To check the version of Embedded Controller Program and BIOS, refer to the Determining which version is installed section. Summary of Changes ------------------ Where: < > Embedded Controller Program version ( ) Embedded Controller Program internal ID which is for administrator purpose. (Important) Important Update (New) New Function or Enhancement (Fix) Correction to existing function <1.05> (70HT28WW) Note: This version of Embedded Controller Program will only work with BIOS Version 1.24 or higher. - (Fix) Previously released the Embedded Controller version 1.04 (70HT27WW) may cause spontaneous wrong key input when you press keys on the external PS/2 type keyboard. - Numeric characters (2, 4, 6 and 8) may be inserted while the cursor keys are pressed. - Shift key operation is done without pressing the shift key. - Only upper case characters are typed. - Multiple selections with the cursor keys - Numeric keypad may work as the cursor keys. <1.04> (70HT27WW) Note: This version of Embedded Controller Program will only work with BIOS Version 1.24 or higher. - (New) Support for ThinkPad NumLock. Refer to the description of version 1.24 in the Readme file of the BIOS of ThinkPad R52 (Machine Types 1858, 1859, 1860, 1861, 1862, 1863, 1958) and ThinkPad T43 (Machine Types 1871, 1872, 1873, 1874, 1875, 1876). <1.03> (70HT26WW) Note: This version of Embedded Controller Program will only work with BIOS Version 1.01 to 1.23. - (New) Improvement of thermal control process. - (New) Improvement of resume process from suspend mode with the secondary battery. <1.01> (70HT24WW) Note: This version of Embedded Controller Program will only work with BIOS Version 1.01 to 1.23. - (New) (Initial release) Support for: - ThinkPad R52 (Machine Types 1858, 1859, 1860, 1861, 1862, 1863, 1958) - ThinkPad T43 (Machine Types 1871, 1872, 1873, 1874, 1875, 1876) ---------------------------------------------------------------------- TRADEMARKS * ThinkPad is a registered trademark of Lenovo. * ThinkVantage is a trademark of Lenovo. * IBM is a registered trademark of IBM Corporation. * Microsoft and Windows are registered trademarks of Microsoft Corporation. Other company, product, and service names may be registered trademarks, trademarks or service marks of others.