Fai 4.0.1 Compatible with Debian Lenny?

[n43w79]

Hi,
Found the latest fai .deb packages here:
http://cdn.debian.net/debian/pool/main/f/fai/fai-server_4.0.1_all.deb
http://cdn.debian.net/debian/pool/main/f/fai/fai-doc_4.0.1_all.deb
Our internal pxe/samba/nfs/dhcp server is still running lenny.
Q1. Is the .deb packages above compatible with lenny?
Q2. If so, what are the gotchas installing the above packages into 
debian lenny?
Q3. Are there any documentation or howto on this subject?
Thanks!
Kwon