http://syslinux.zytor.com/wiki/index.php
http://frank.harvard.edu/~coldwell/diskless/
http://delivery.acm.org/10.1145/1050000/1048013/7111.html?key1=1048013&key2=8155986521&coll=GUIDE&dl=GUIDE&CFID=59050524&CFTOKEN=16368376