any identification number sn front or back? can tell from just that shot.
On Sat, Jul 21, 2018 at 2:37 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