Ancient transistor ?computer board (Peter Van Peborgh)

Paul Koning paulkoning at comcast.net
Tue Jul 7 12:29:09 CDT 2020



> On Jun 18, 2020, at 4:14 PM, Peter Van Peborgh via cctalk <cctalk at classiccmp.org> wrote:
> 
> OK, now here are some pics that should be available to everybody. I hope.
> 
> https://photos.app.goo.gl/h64tye8ecmPHQfJD7
> 
> Smells of (early) 1960s transistorized. 	
> No helpful marking apart from 
> *	"GATE JJ01" on SIDE A. (components).
> *	"C NT OL DATA" on side B (solder traces).
> 
> Big transistors are Motorola "180376008". Also, any ideas what the "246 636
> B" boxes are, they have four legs?
> 
> A curse on TinyURL and praise to Camiel Vanderhoven.
> 
> peter

Since CDC was mentioned I forwarded the question to a list of CDC people and CDC system hobbyists.  Here's a reply that may be useful:

> On Jul 6, 2020, at 8:59 PM, Joe Cychosz <3ksnn64 at ecn.purdue.edu> wrote:
> 
> Originally I said not CDC but I found this on ebay.
> https://www.ebay.com/itm/Vintage-CONTROL-DATA-Computer-Module-PCB-196Os/283900083657
> 
> I had seen boards like this earlier and have a few but they are LEC (lockhead electronics corporation).  Interesting this one has lec on 1 side and cdc on the other side.  I suspect CDC manufactured these for LEC.  CDC could have been secondary contractor for Lockhead on a government project.
> 
> Joe


More information about the cctech mailing list