[cctalk] Re: DEC MAD-11

Am 19.05.2025 um 23:00 schrieb Martin Bishop &lt;mjd.bishop(a)emeritus-solutions.com&gt;om>: https://www.pdp-11.nl/pdp11-45/pdp11-45startpage.html ? see system console 18 addr lites for an 18b Unibus cf https://www.pdp-11.nl/pdp11-70startpage.html with a 22b Unibus, but still 16b data bus So 11/45 11/40 are certainly possibilities, documentation at bitsavers or online pix may generate other candidates (11/20 etc) And, although there are 18 switches, only the bottom 16 are used to load data Unless the -11 is noise it’s a PDP-11 Martin -----Original Message----- From: Hans-Ulrich Hölscher via cctalk [mailto:cctalk@classiccmp.org] Sent: 19 May 2025 20:31 To: General Discussion: On-Topic and Off-Topic Posts &lt;cctalk(a)classiccmp.org&gt; Cc: Hans-Ulrich Hölscher &lt;vaxorcist(a)googlemail.com&gt; Subject: [cctalk] Re: DEC MAD-11 Could you please post a picture? > Am Mo., 19. Mai 2025 um 21:48 Uhr schrieb hupfadekroua via cctalk < > cctalk(a)classiccmp.org&gt;gt;: > > Hi All, > > In my collection I do have a blinkenlight front panel with a label MAD-11. > > Based on the adress and data switches the system should be of 18 Bits wide. > > I don‘t see any kind of references or links to docs while querying the > internet. > > Does some of you have any information or hints available? > > A.