Click here to obtain the diskette version of this BIOS Update.

This Additional Information field contains the following sections:
I. Summary of changes
II. Installation instructions
III. Known Limitations
IV. BIOS information
V. Memory information

I. Summary of changes

version 1.00 - iuet17ww

• (New) Support for TP 570E
  

version 1.01 - iuet19ww, imht10ww

• (New) Added support for the ThinkPad i Series 1157
• (New) When in ACPI mode, the hot key function Fn_F12 used for hibernation has been disabled.
• (Fix) The system will not enter hibernation mode after the hard disk drive has been re-partitioned.
• (Fix) On certain systems, the FAN will continuously cycle on and off
  

version 1.02 - iuet20ww, imht10ww

• (Fix) When a system with Windows NT 4.0 is restarted, it may not activate some PCMCIA cards in the Port Replicator with Advanced Etherjet Feature.
  

version 1.03 - iuet21ww, imht10ww

• (Fix) In DC power status, CPU usage is abnormal.(Windows 98/Me)
  

version 1.04 - iuet22ww, imht10ww

• (New) Microsoft Windows Me support
• (Fix) Mute could not work correctly.
  

version 1.05 - iuet24ww, imht10ww

• (New) - Support for a new revision(C0) of Intel Pentium III
  

version 1.06 - iuet25ww, imht10ww

• (Fix) In Microsoft Windows 2000, LCD/CRT is switched with IDT mode by Fn and F7 keys.

version 1.07 - iuet26ww, imht10ww

• (New) Microsoft Windows XP support
• (Fix) In Windows XP, the system speed slow down in battery mode.
• (Fix) Some 3.3V PC cards don't work.

II. 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
  • After you have opened the above link, click on http://www.microsoft.com/windows98/downloads/corporate.asp
    
  • Scroll down to Windows 98 Second Edition Shutdown Supplement and click it.
    
  • Click Next.
    
  • If you agree, Accept the License to download the file.
    
  • 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 95/98/2000/Me 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 Start, then click Run.
7. Specify filename with the full path name where you stored ThinkPad BIOS Update Utility. (E.g. C:\Temp\IUUJ04US.EXE) Then press Enter.
8. Follow the instructions. Windows shutting down automatically and System Program Service Diskette screen appears.
   
9. Select Read this first from the menu and carefully read the information that appears.
10. Press the Esc key to return to the menu.
11. 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, the system is automatically turned off. Do the following to make the changes effective.
    
12. Make sure the no diskette is inserted in the diskette drive.
13. Turn on the computer. The system enters IBM BIOS Setup Utility automatically.
14. If a password prompt appears, type the correct password.
15. Press F9 key.
16. Select Yes to load default configuration.

III. Known Limitations
To execute this package on Windows 95, the following modules are required:

• MSVCRT.DLL
• MFC42.DLL

I V. BIOS information with links to previous BIOS releases
Each version of the BIOS update utility contains the following system program information:

1. Power on the system.
2. When the message Press F1 for IBM BIOS setup Utility appears in the bottom right hand corner, press the F1 key.
3. Wait for the IBM BIOS Setup Utility screen to appear. The BIOS version is displayed at System BIOS Version line.