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Links
Fprint Packages - driver for fingerprint reader

Install on Gutsy
wget http://www.madman2k.net/files/fprint-packages.tar -P /tmp
#extract
#install

vi /etc/pam.d/common-auth
auth sufficient pam_fprint.so

# test
fprint_demo

http://wiki.ubuntuusers.de/fprint
https://wiki.edubuntu.org/LaptopTestingTeam/HPCompaq8710p
http://reactivated.net/fprint/wiki/Pam_fprint