In a message dated 10/31/2016 2:31:02 P.M. US Mountain Standard Time, tmfdm...@gmail.com writes:
On Tue, Nov 1, 2016 at 10:15 AM, william degnan <billdeg...@gmail.com> wrote: >> >> Find a copy of the PDP-11 systems handbook! Say 1978, 80 and 82 versions >> and >> see the difference. Never mind the Unibus, Qbus, PRO, and PDT flavors. >> >> >> Allison >> >>> thanks Ed Sharpe _www.smecc.org_ (http://www.smecc.org) >>> >>> >>> > > Here is a thread I posted on my site, with link to the first printing of > the PDP 11 brochure. The first PDP 11 models had no "/nn" on the front > panel.. see for yourself. > > http://vintagecomputer.net/browse_thread.cfm?id=593 Mine is a very early example - number 636 IIRC - and it just says 'pdp-11' on the front: http://www.corestore.org/1120-1.jpg Mike http://www.corestore.org 'No greater love hath a man than he lay down his life for his brother. Not for millions, not for glory, not for fame. For one person, in the dark, where no one will ever know or see.' Mike OK that is a great indicator! serial# and date wise! Ed#
