Here's the list from the DA website:
Redhat Linux 7.2, 7.3, 8.0, 9.0.
RedHat Fedora 1.0, 2.0, 3.0
RedHat Enterprise 2.1, 3.x, 4.x(beta)
FreeBSD 4.7, 4.8, 4.9, 4.10, 4.11, 5.0, 5.1, 5.2, 5.2.1, 5.3, 5.4(beta)
Additionallly versions are available for WBEL (White Box Enterprise Linux) and CentOS 3 and 4.
Jeff