Attached to this email there are two photographs of this front-panel

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> Am 19.05.2025 um 23:00 schrieb Martin Bishop 
> <[email protected]>:
> 
> 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:[email protected]]
> Sent: 19 May 2025 20:31
> To: General Discussion: On-Topic and Off-Topic Posts <[email protected]>
> Cc: Hans-Ulrich Hölscher <[email protected]>
> 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 <
>> [email protected]>:
>> 
>> 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.

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