Agreed; I neglected to mention that mine also is marked in that manner! Seems like DEC had ramped up to about 15-20 machines/day by mid-September.
Guess that the front panel graphics guys "didn't yet get the memo". Or maybe someone was hedging their bets against an ignominious sales failure in the initial front panel production? -----Original Message----- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Christian Corti Sent: Monday, February 22, 2016 4:32 AM To: General Discussion: On-Topic and Off-Topic Posts Subject: RE: PDP-11/20 vd one that just says pdp 11 what are the date differences?? OEM? On Mon, 22 Feb 2016, Paul Birkel wrote: > My PDP-11 is labeled as "S-386" and dated 9/23/70, which I guess makes > it fairly early in the production run (but I do wonder what the > initial manufacturing rate was given the relative riskiness of this > new architecture). Anyone have S# and dates for "plain 11" vs. > 11/20-marked for comparison? Our PDP-11 is labeled as "S-308", the date is 9/16/70. And I think they called it PDP11-20 from the beginning, as the model number above the serial number says "M11-20" Christian