SDS, started in 61 and in 69 bought by Xerox Data Systems, used both discrete RTL and DTL in their 24 bit systems. Adopted integrated circuits early on. I interviewed with them just before the Xerox acquisition,and DEC. I opted for DEC as I lived down the street. 910, 920, and then 930 models were quite interesting to me. One of the early on features was that one pass compiler, that did not need external storage to compile 4K word programs. AND it ran Fortran in those early models
On Thu, Jan 16, 2020 at 11:31 PM Jon Elson via cctalk <[email protected]> wrote: > > On 01/16/2020 08:46 PM, Ryan Eisworth via cctalk wrote: > > Greetings all, > > > > I have a contact that has unearth a massive cache of Scientific Data > > Systems modules like the one pictured here in the Houston area: > > <https://i.imgur.com/m0l5IiB.jpg> > > > > If anyone has a need for these modules or can identify based on that photo > > which SDS mainframe let me know and I'll put you in touch with the owner. > > > > > Wow, this is seriously old stuff, discrete transistors. > Elco Varilock connectors. That would date it to mid 1960's, > I'd think. > > Jon
