Etherboot is a free software package for booting x86 PCs over a network. Etherboot is useful for booting PCs diskless. Visit the Etherboot web site for numerous patches for various platforms and cards.
You can download it from the following link: https://packetstormsecurity.com/files/download/13229/etherboot-4.1pre8.tar.gz
Source: https://packetstormsecurity.com/files/13229/etherboot-4.1pre8.tar.gz.html