IBM ThinkPad X20 January 30, 2001 Embedded Controller Program Service Diskette Version : 1.24 ====================================================================== Notice: ------- 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 X20 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 "Installation Instructions" section. Released Versions ----------------- 1.10 Enhancement for USB HUB control and problem fixes 1.11 Support for USB dynamic control and problem fixes 1.13 A problem fix 1.18 A problem fix 1.19 Problem fixes 1.24 Problem fixes Summary of Changes ------------------ Where: Version (for example, 1.00 means Version 1.00) (New) New function or enhancement (Fix) Correction to existing function <1.10> - (New) Enhancement for USB HUB control. - (Fix) Tick noise sounds while Windows boot. - (Fix) Keyboard does not work after PC Doctor's CPU test is done (CTRL-ENTER). <1.11> - (New) Support for USB dynamic control. - (Fix) Windows 2000 battery gauging program is not updated. - (Fix) When Fn key lock is enabled in ThinkPad Configuration program, none of items in the Control Panel can be selected. <1.13> - (Fix) Some keys on the keyboard may not work. <1.18> - (Fix) The CPU fan generates noises. <1.19> - (Fix) Intermittently the CPU fan may not work even if the system temperature becomes high. - (Fix) The system can not go into suspend mode while copying data from/to a IBM microdrive. <1.24> NOTE: If you are updating the Embedded Controller program with this version, you need to also update the BIOS at the same time. You can download one of 2 packages, either the "ThinkPad X20 System Program Service Diskette Version 2.07 (or higher)" or the "ThinkPad X20 ThinkPad BIOS Update Utility Version 2.07 (or higher)", and update the BIOS with it. - (Fix) (Windows Me and Windows 2000) Resume on Ring function does not work on the system powered with battery. - (Fix) The system hangs when the system resumes normal operation from suspend mode by Wake on LAN, Resume Timer or Resume on Ring function and wrong power-on password is input three times. - (Fix) Some USB devices attached to the system do not work. 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. 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 2. KBC H8 BIOS flash? from the menu. 5. Press N to continue update. 6. 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, do the following to confirm the update is correctly applied. 7. Make sure the Embedded Controller Program Service Diskette is removed from the diskette drive. 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" number. 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 viewed by invoking IBM BIOS Setup Utility. To enter the IBM BIOS Setup Utility; 1. 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. Check Embedded Controller Version number. Diskette Version Embedded Controller Program Version ---------------- ----------------------------------- 1.10 1.10 1.11 1.11 1.13 1.13 1.18 1.18 1.19 1.19 1.24 1.24 Trademarks ---------- * IBM, ThinkPad and Wake on LAN are registered trademarks of IBM Corporation. * Windows is a registered trademark of Microsoft Corporation. Other company, product, and service names may be registered trademarks, trademarks or service marks of others.