If you have forgotten your BIOS password, or have used non-US keyboard characters to enter a password, and are not able to boot your system again, you will have to take action to bypass this problem. One option is to remove the battery or the CMOS chip and keep it that way for approx. Most systems will allow you to boot from floppy, even if a password has been entered. After very short time you will be asked to warm boot the system. Enter BIOS Setup and modify the Setup options.
Full source is available in LOST.ZIP .
This program can only be used if you are still able to boot from floppy drive.