On Tue, Nov 1, 2016 at 10:15 AM, william degnan <billdegnan at 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.'