The Care and Feeding of ISDN4BSD
5.2 Running the install	5.2 Running the install	5.2.2 FreeBSD-4.1 and up

5.2.1 FreeBSD 2.x and FreeBSD 3.x

This FreeBSD versions are no longer supported by isdn4bsd. The last i4b version which supports this platforms is beta-0.83.