On August 26, Wayne M. Smith wrote:
  I was looking inside my ProLog M-900 and noticed a
gold and
 ceramic chip labeled "INS4004D" socketed next to two i4002s.
 Does anyone know if National Semi second sourced the i4004?
 It also has the number "530" on the bottom which I suppose
 is a lot no.
 For those with GUI browsers, here is the best I could do
 with my camera:
 
http://home.earthlink.net/~wmsmith/ProLog4004.jpg 
  Hmm, it sure looks like it!
    -Dave
--
Dave McGuire
Laurel, MD