PDP-11/40 modified to be a PDP-11/23

[COURYHOUSE at aol.com]

now, there is a 11/23 I could love!  ---Ed#
 
 
In a message dated 6/22/2016 9:44:20 P.M. US Mountain Standard Time,  
glen.slick at gmail.com writes:

BACKPLANE",
> so the operation is not so mysterious. I had  never seen a hex-wide Q-bus
> backplane before this.
>
>  There are some pictures of the system and the Q-Bus to 11/40 front  panel
> interface here:  
http://www.ricomputermuseum.org/Home/equipment/dec-pdp-1140
>