Softwares to Break BIOS Password:
If your system boots but the BIOS password is still in place, there are several programs you can load that are designed to crack the passwords or clear them altogether. The encryption on BIOS passwords is not very complex. Following are links to a few of these free programs:
1. CmosPwd 4.8
http://www.softpedia.com/get/Security/Decrypting-Decoding/CmosPwd.shtml
Article source: faq.programmerworld.net