I think it's Applied Computer Technologies, and I think they made cache and several other options. They were popular back in the day. I have a bunch of their boards here.
Paul On Sat, Jul 21, 2018 at 1:37 PM, Mattis Lind via cctalk < cctalk@classiccmp.org> wrote: > This board was sitting in slot 21 of the backplane in a 11/45 > > https://i.imgur.com/ZYWZQCo.jpg > > What kind of board is this? > > It has 26 bipolar RAMS. Fairchild 93415 1kbit SRAM. > > The manufacturer might be ACT whatever that is. > > My guess is that it is some kind of cache board? It is connected to both > unibuses in the machine. > > Better ideas? Documentation? > > /Mattis >
