Summary of changes
	Installation instructions
	BIOS information
	Memory Map information

• (New) WakeOnLAN function updated.

Click here for a complete list of changes.

• Remove the Power-on password prior to updating the BIOS in RDM (Remote Deployment Manager) environment or similar environment.
• You need an AC adapter and a charged battery pack to update the BIOS.
• If a USB Diskette Drive is attached to your computer, turn off the computer and detach it before proceeding.

1. Print these instructions or display them on another computer.
2. Firmly connect the AC adapter to the computer.
3. Start Windows 2000/XP and logon with administrative privileges on the target computer.
4. Extract this package onto the hard disk drive.
5. Click the Start button, then click Run.
6. Specify the file name with the full path name where you extracted the package. (Example: C:\Temp\1auj20us.EXE) Then click OK.
   
   Note: For unattended update, specify the file name with options "-s -a -s". (Example: C:\Temp\1auj20us.EXE -s -a -s) The BIOS is updated without any user interaction.
   
7. Follow the instructions on the screen.
   
   Depending on the operating system configuration, restarting the operating system and rerunning this BIOS update utility may be required. In this case, the following message will appear.
   
   "DeviceIoControl() returns 2 Please restart your operating system and execute the BIOS or Embedded Controller update utility again."
   
   Windows will shut down automatically and the ThinkPad BIOS Update Utility screen appears.
   
8. Select Read this first from the menu and carefully read the information that appears.
9. Press the Esc key to return to the menu.
10. Select Update system program and follow the instruction on the screen.

Attention: 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.

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. Press the F9 key to load the default configuration.
5. Select Yes.
6. Press the F10 key to save the default configuration and exit.
7. Select Yes.
   

To enter the 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 the BIOS Version and the Embedded Controller Version.
5. Turn off the computer.
   

Reserved BIOS area
C0000-CDFFF (reserved for Video BIOS)
DC000-DFFFF (reserved for USB BIOS) *1
E0000-FFFFF (reserved for BIOS)

*1 : This area is free when USB BIOS is disabled.