well, I was close..... they all sound alike with brain fog. I still have a bunch of it, some marked ACT, some ABLE.
On Sun, Jul 22, 2018 at 1:36 AM, Paul Birkel via cctalk < cctalk@classiccmp.org> wrote: > ACT is parked on the upper-right under the handle. > Several variants of "10003" are marked near the left handle. > And it's copyrighted 1976. > > ACT = ABLE Computer Technology. > > Their first product was PN 10001 (copyright 1976), the A.C.T. Univerter; > see "Able_Univerter_Nov81.pdf" on Bitsavers. > http://bitsavers.trailing-edge.com/pdf/able/Able_Univerter_Nov81.pdf > > -----Original Message----- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Bob > Smith via cctalk > Sent: Saturday, July 21, 2018 4:44 PM > To: Mattis Lind; General Discussion: On-Topic and Off-Topic Posts > Subject: Re: Strange third party board in PDP-11/45 > > 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 > >