Small DEC cardcage with backplane

Jon Elson elson at
Fri Mar 6 10:28:57 CST 2015

On 03/05/2015 05:00 PM, Sander Reiche wrote:
> Hi all,
> I'm currently searching around for a small cardcage+backplane, if I'm not
> mistaken DEC part numbers H9281-BA or H9281-BB for a bigger one. The -BA
> (4x dual heights) has my preference as I'm looking to build a very nice,
> cute and not that power hungry PDP-11.
Unibus or Q-bus?  I have some Q-bus backplanes that came 
from the WELL.
Picked them up at some surplus place in the bay area, I 
think probably Mike

The backplanes don't have a manufacturer's label.  They may 
have been custom
made by the WELL, I don't know.  I also don't know if they 
are Q-18 or Q-22.
They have a card cage, cooling fan and Todd power supply.  I 
have two of them.


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