PDP-11/20 vd one that just says pdp 11 what are the date differences?? OEM?

[COURYHOUSE at aol.com]

what was the break point as far as manufacture dates between the   2?
Ed#
 
 
In a message dated 2/22/2016 1:25:31 A.M. US Mountain Standard Time,  
pbirkel at gmail.com writes:

Which  has always struck me as a bit odd, since the PDP-11 family was
designed to  be just that, a family.  So you'd think that "marketing" would
have  kept that in mind when designing the first front panel label  ...

-----Original Message-----
From: cctalk  [mailto:cctalk-bounces at classiccmp.org] On Behalf Of  Pontus
Pihlgren
Sent: Monday, February 22, 2016 3:12 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?

The PDP-11/20  was the first PDP-11. I believe the number was added when the
other models  came out, to discern them.

/P

On Mon, Feb 22, 2016 at 03:03:17AM  -0500, COURYHOUSE at aol.com wrote:
> PDP-11/20  vd  one that  just says  pdp 11  what are the  date
differences?? 
>  OEM?  was one  version  for customer and  one  for  OEM?
> THANKS IN ADVANCE
>  
> Ed#
>   
>