For sale 128K Core RAM Industrial PDP 11/40 Massbus System

[COURYHOUSE at aol.com]

In a message dated 10/31/2016 2:31:02 P.M. US Mountain Standard Time,  
tmfdmike at gmail.com writes:

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.'
 
Mike OK  that  is a great indicator!  
serial# and date wise!  Ed#