Hey Mlrra I know this post is old but just in case you're still looking heres a couple sites that address related issues.
This link takes you to a forum discussion about enabling fingerprint security through Bios and what looks to be the benefits over using OS software.
http://forum.notebookreview.com/showthread.php?t=176675&page=5
Here is another thread where they discuss problems with "false negatives" or declined scans from the security software
http://forum.notebookreview.com/showthread.php?t=53972
I know they may not be directly related to what you're looking for but possibly you can find what you need from them?
