On Sun, 26 Aug 2001 16:37:09 -0400 (EDT), Dave McGuire
wrote:
 #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!
 #
 Doesn't INS mean Intersil, not National Semi?
 
AFAIK, "INS" is the standard prefix for NSI chips.