I have a few of the limited function and programmers panels. I do not recall either of them being dependent on particular backplane. I'll try to pull a few a few later and check the part number on them.
Remember, a 54-XXXXX number can become a 70-XXXXX with the addition of a cable or something simple. Paul On Mon, Feb 4, 2019 at 12:51 PM Anders Sandahl via cctech < cct...@classiccmp.org> wrote: > > Date: Sun, 3 Feb 2019 22:22:42 +0100 > > From: Pontus Pihlgren <pon...@update.uu.se> > > To: "General Discussion: On-Topic and Off-Topic Posts" > > <cctalk@classiccmp.org> > > Subject: Looking for Limited Function Board > > Message-ID: <20190203212242.gf24...@update.uu.se> > > Content-Type: text/plain; charset=us-ascii > > > > Hi > > > > I'm restoring a PDP-8/a with the help of some > > friends. The CPU is now passing the MAINDECs I've > > thrown at it. The memory is a modern semiconductor > > board my friend Anders Sandahl made. > > > > This machine is pieced together from several others > > and the limited function panel I got does not match > > the backplane I have. > > > > My theory is the DEC simplified the design of the > > boardto cut costs and simpler design is not > > compatible. Mine is labeled (on the PCB): > > > > "LIMITED FUNCTION BD. > > 5411507 > > 5011506C-P2" > > > > And the one I need is: > > > > "LIMITED FUNCTION > > 5411165 > > 5011167" > > > > However, the picture I have of the other is not so > > good. I may have read the numbera wrong. > > > > I would very much like to buy one to finish this > > project. > > > > /P > > Får du inget napp så ritar jag upp ett kort till dig, det borde gå att > flytta över brytarna från det du har. Lite synd att scrappa ett > originalkort bara, men är man försiktigt så man inte tar sönder det så går > det ju att återställa... > > /A > >