Right, thanks. 6611 is correct. I do not think the FDDI or HSSI cards made it into those.
The RCS/RI twitter feed has some pictures of NSFnet racks and a F960 FDDI card. Those were from the GNJ node in Greensboro Junction, NC. Were those the pictures? https://twitter.com/RetroCompSocRI -- Will On Thu, Nov 1, 2018 at 3:22 PM Kevin Bowling <kevin.bowl...@kev009.com> wrote: > > 6611 was the commercialized version. One early model was a standard 7012 > desktop with the special cards. A later cost optimized version had a custom > PowerPC backplane. > > There were some good pics of the nsfnet T3 racks I linked onto nekochan > forums but that site is gone. Wish people would migrate back to Usenet. > > On Thu, Nov 1, 2018 at 9:15 AM William Donzelli via cctalk > <cctalk@classiccmp.org> wrote: >> >> > So, what is this i960-based card for? >> >> They were the routers. At the core nodes of the network, there would >> be a big RS/6000s (very early POWER1 types) that would each do about >> 4-5 high speed interfaces (FDDI, HSSI, and 10base2). Each interface >> was one of these cards, so each of the big RS/6000s would have about >> 4-5 of these cards. >> >> IBM tried to commercialize the design, but it was doomed - the routing >> engines were very fast, but the internet quickly outgrew the >> architecture of the engines, and they apparently needed a complete >> redesign to compete. IBM did release very few of these RS/6000s to the >> public (I think RS/6000-320Hs with a fancy tag - machine type 6767?). >> I have only seen one of these routers in the wild, but most of the >> real NSFnet ones (I was decommissioning them, one time with a Sawzall >> because of some live tangled cables). >> >> > Could it be related to what you >> > say in your post? >> > >> > https://imgur.com/NIvQPBv >> >> Possibly related, but that card is not one of the NSFnet ones. >> >> -- >> Will