IBM ThinkPad A20m July 13, 2001 ThinkPad BIOS Update Utility Program Version : 1.09 BIOS Version : IWET55WW ======================================================================== Notice: ------- This program is language independent and can be used with any language system. What This Package Does ---------------------- The ThinkPad BIOS Update Utility given here can update the system program stored in the ThinkPad system to fix problems, add new functions, or expand functions. This release supports the following systems: - ThinkPad A20m The supported operating systems are as follows: - Windows 95 - Windows 98 and 98 Second Edition - Windows Me - Windows 2000 - Windows NT 4.0 with Service Pack 3 or later To determine if you have to update the system program or not, refer to the "Summary of Changes" section. To update the system program, refer to the Installation instructions section. Released Versions ----------------- Version 1.03 (IWET47WW) Initial Release Version 1.04 (IWET48WW) A fix for some problems Version 1.05 (IWET50WW) Windows Me support Version 1.06 (IWET51WW) A fix for some problems Version 1.07 (IWET52WW) A fix for a problem Version 1.08 (IWET54WW) A fix for some problems Version 1.09 (IWET55WW) A fix for some problems Summary of Changes ------------------ Key: Program Version (for example, 1.00 means Version 1.00) (New) New Function or Enhancement (Fix) Correction to existing function <1.03 - IWET47WW> - (New) Support for ThinkPad A20m. <1.04 - IWET48WW> - (Fix) A blue screen appears on Windows 95/98 when disabling a serial port or IR port from Device Manager or from the ThinkPad Configuration program. - (Fix) The Wake On LAN feature does not work. - (Fix) A slight noise is heard with Windows 2000 systems in standby mode. - (Fix) When the system is connected to a docking station which contains a hard disk drive and a EtherJet PC Card, the system will hang when entering suspend mode. <1.05 - IWET50WW> - (New) Windows Me support. - (New) Date/Time in BIOS Setup is protected by Supervisor Password. - (New) Return the max CPU speed in SMBIOS "Currrent Speed" field of Processor Information (Type 4). - (New) Intel Pentium-III C0 Step support. - (Fix) CMOS Test of PC-Doctor fails. - (Fix) CMOS error is not displayed. - (Fix) No display appears on LCD even after hot-undocking from a docking station which has the external display. - (Fix) Resume failure when "Hibernate when battery becomes low" is enabled. <1.06 - IWET51WW> - (New) Add a 'Lock BIOS settings' menu to BIOS setup. - (Fix) Cannot select a boot device by F12 option when a supervisor password is set. - (Fix) A supervisor cannot update flash BIOS when 'Flash BIOS Updating by End-Users' is disabled in BIOS setup menu and a supervisor password is set. - (Fix) A system enters full-suspend mode with some network PC-cards on Windows NT4. It sometimes causes network failure after resume from suspend. - (Fix) Some PCI video cards in docking station do not work after Ctrl+Alt+Del. - (Fix) HDD indicator LED sometimes stays on after hibernation wakeup on Windows NT4. - (Fix) System fails to wake up from S4(hibernation) by remote wakeup on Windows Me. - (Fix) The serial port is disabled after hibernation wakeup on APM OS. - (Fix) Intermittent hibernation failure. <1.07 - IWET52WW> - (Fix) The screen does not come up by opening LCD, when "Will not suspend even if LCD is closed" option is enabled. <1.08 - IWET54WW> - (New) Intel Boot Agent 3.0 support. - (New) Modified SMBIOS Type 3 to report AssetNumber in EEPROM User Asset Data under the "Asset Tag Number" field. - (Fix) POST 188 error. - (Fix) POST 189 error. - (Fix) Reboot from BIOS-call causes system hang. - (Fix) Access to CD-ROM in docking station becomes slow after resume from suspend on Windows 98. - (Fix) The system can't boot from a hard disk drive with partition ID of n5h where n is 1 or greater. <1.09 - IWET55WW> - (New) Add SuperDisk Boot disable selection to allow SuperDisk drive to be assigned fixed letter. - (Fix) Fn+F7 does not work after undocking from Port Replicator or detaching external CRT. - (Fix) Memory size and HDD size in AssetID EEPROM are incorrect. - (Fix) Sometimes there is no display on the LCD after you open the LCD lid without an external display. - (Fix) "PCI Power Management" setting is disabled after suspend/resume on Windows Me and Windows 2000. - (Fix) DMA channel of ECP parallel port may not be available on Windows Me and Windows 2000. - (Fix) System may restart automatically when wake up from hibernation on Windows 95. Installation Instructions ------------------------- Notes: - You need an AC adapter and a charged battery pack to update the system program. - If your computer is attached to any kind of port replicator, turn off the computer and detach it before proceeding. - Before using Flash Update with Windows 98 Second Edition, IBM recommends that you download and apply the "Windows 98 Second Edition Shutdown Supplement" from the Microsoft Support WWW Site. This supplement and information regarding this supplement can be found at: http://support.microsoft.com/support/kb/articles/Q239/8/87.ASP 1. After you have opened the above link, click on http://www.microsoft.com/windows98/downloads/corporate.asp 2. Scroll down to "Windows 98 Second Edition Shutdown Supplement" and click on it. 3. Click Next. 4. Accept the License to download the file. 5. Run the executable that you just downloaded. 1) Print these instructions or display on another computer. 2) Firmly connect the AC adapter to the computer. 3) Start Windows 95/98/Me/2000 or Windows NT 4.0 on the target computer. 4) Make the temporary directory on the hard drive (for instance, C:\Temp) 5) Download the Embedded Controller Program Update Utility from the web site and store the file into the temporary directory. (e.g. C:\Temp) 6) Click on Start button. 7) Click on Run.. 8) Specify filename with the full path name where you stored Embedded Controller Program Update Utility. (e.g. C:\Temp\iwuj07us.exe) Then press Enter 9) Follow the instructions. 10) When completed, system 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 change is correctly applied. 6. Make sure the no diskette is inserted in the diskette drive. 7. Turn on the computer; then, while the "Press F1 for IBM BIOS Setup Utility" message is displayed at the lower-left area of the screen, press F1 key. If a password prompt appears, type the correct password. 8. Check "Embedded Controller Version". BIOS Information ---------------- Each version of the ThinkPad BIOS Update Utility contains the following system program (BIOS). The BIOS Version and the date can be viewed by invoking IBM BIOS Setup Utility. Embedded controller version number can be viewed by running ThinkPad Configurator from your operating system and select System Information from the Help menu or System Information button. Embedded controller information can also be found by invoking IBM BIOS Setup Utility. Program BIOS BIOS Embedded controller Version Version Date Version -------- -------- ---------- ------------------- 1.03 IWET47WW 1999-12-21 1.00 1.04 IWET48WW 1999-12-21 1.00 1.05 IWET50WW 1999-12-21 1.00 1.06 IWET51WW 1999-12-21 1.00 1.07 IWET52WW 1999-12-21 1.00 1.08 IWET54WW 1999-12-21 1.00 1.09 IWET55WW 1999-12-21 1.00 Memory information ------------------ The following information shows memory areas that are either unavailable or that can be included with a memory manager such as EMM386. Reserved BIOS Area: C0000-CFFFF (reserved for Video BIOS) E0000-FFFFF (reserved for BIOS) Known Limitations ----------------- 1. To execute this package on Windows 95, the following modules are required: - MSVCRT.DLL - MFC42.DLL Trademarks ---------- * IBM, ThinkPad, and AssetID are trademarks of IBM Corporation in the United States. * Windows is a trademark of Microsoft Corporation. * Intel and Pentium are trademarks of Intel Corporation. Other company, product, and service names may be registered trademarks, trademarks or service marks of others.