IBM ThinkPad T20 November 6, 2000 ThinkPad BIOS Update Utility Version 1.08 (IYET45WW) ====================================================================== 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 system: - ThinkPad T20 The supported operating systems are as follows: - Windows 95 OSR2 or later (See "Known Limitations" section) - 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, refer to the "Summary of Change" section. To update the system program, please refer to the "Installation instructions" section. Released Versions ----------------- Version 1.02 (IYET36WW) Initial Release Version 1.03 (IYET37WW) A fix for some problems Version 1.06 (IYET42WW) Windows Me support Version 1.07 (IYET43WW) A fix for a problem Version 1.08 (IYET45WW) 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 <1.02 - IYET36WW> - (New) Support for ThinkPad T20. <1.03 - IYET37WW> - (Fix) A blue screen appears in Microsoft Windows 95/98 when disabling a serial port or IR from the Device Manager or the ThinkPad Configuration program. - (Fix) The Wake On LAN feature does not work. - (Fix) Memory read failure may occur in Microsoft Windows NT 4.0 when two 256MB memory cards are installed. - (Fix) A small noise is heard when Microsoft Windows 2000 is in standby mode. - (Fix) Hang up at suspend on a docking station with HDD and EtherJet PC Card installed in the docking station. <1.06 - IYET42WW> - (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) Intermittent Windows 98 trap-06 blue screen at hot dock/undock. <1.07 - IYET43WW> - (Fix) PC-card Plug & Play does not work on Windows 95. <1.08 - IYET45WW> - (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 and OS/2. It sometimes causes network failure after resume from suspend. - (Fix) Some PCI video cards in docking station do not work after reboot with Ctrl+Alt+Del reset. - (Fix) Device access indicator LED sometimes stays on after hinernation wakeup on Windows NT4. - (New) Power Management Update - enhancement of CPU thermal controls designed. 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 kinds of Docking station or 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 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 ThinkPad BIOS 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 ThinkPad BIOS Update Utility. (e.g. C:\Temp\IYUJ05US.EXE) Then press Enter. 9. Follow the instructions. Windows shutting down automatically and System Program Service Diskette screen appears. 10. Select Read this first from the menu and carefully read the information that appears. 11. Press the Esc key to return to the menu. 12. Select Update system program and follow the instruction on the screen. 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 make the changes effective. 13. Make sure the no diskette is inserted in the diskette drive, the diskette drive, then turn off the computer. 14. Press and hold the F1 key, then turn on the computer. Hold the F1 key until the Easy-Setup menu appears. 15. If a password prompt appears, type the correct password. 16. Select Restart, then select "Load Setup Defaults". 17. Select Yes to load default configuration. 18. Select Exit Saving Changes to exit from BIOS Setup Utility and turn off the computer. 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. Diskette BIOS BIOS Embedded controller Version Version Date Version -------- -------- ---------- ------------------- 1.02 IYET36WW 1999-12-21 1.00 1.03 IYET37WW 1999-12-21 1.00 1.06 IYET42WW 1999-12-21 1.00 1.07 IYET43WW 1999-12-21 1.00 1.08 IYET45WW 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-CBFFF (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 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.