Thanks for the heads up on this S-100 site! PdP-11 on a s-100 bus even.. Ed# In a message dated 12/30/2017 5:01:26 P.M. US Mountain Standard Time, cctalk at classiccmp.org writes: A good site for what was in the 1975-1980 era. http://www.s100computers.com/index.html