Fwd: [CCTECH] QBUS backplanes, potentially free for shipping - test-drb@ccmp.vtda.org

24 May 2002

--- Paul Thompson &lt;thompson(a)new.rr.com&gt; wrote:
...
  From: Paul Thompson &lt;thompson(a)new.rr.com&gt;
 To: cctech(a)classiccmp.org
 Subject: [CCTECH] QBUS backplanes, potentially free for shipping
 Reply-to: cctalk(a)classiccmp.org
 Date: Thu, 23 May 2002 09:18:58 -0500 (CDT)

 I will probably have some empty BA213 QBUS housings available free for
 shipping. I will know if I want to grab these if I find anyone interested
 in them and if I can find a box big enough to hold them as I have little
 use for them myself. 
I'm interested.  I have no Qbus boxes newer than BA23/BA123.

...
  Either of these units might help give your QBUS
Microvax some Q22
 breathing room. 
Yay!

...
  On a related note, I recall that there was some
ability to convert the 
 KDJ11 module for this DECserver into a working PDP 11/xx (83+?) with a 
 PROM swap?  Does anyone know more about this and its feasibility? 
I traded some BA23 handles to Jon Engdahl for a DECserver CPU board
with BA213 handles.  I haven't pulled its handle yet.  He did the work
of putting "normal" KDJ11 boot ROMs in it (and moving a jumper or to,
ISTR).  It's an 11/53, effectively, based on speed and local RAM (there's
a couple of flavors of it).  I don't know much about the board other
than the obvious CPU flavor and RAM, etc.  I am not a guru when it comes
to stuff that new.  I'm fine with Qbus, but I really know the KDF11 stuff
best.

My goal is a 2.11BSD system, especially since I have more than one
KDA50 (and a couple of RA70s).  KA630s just aren't special enough 
for me to spend lots of time on; I'd rather fire up the 8200.

-ethan

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