Fwd: [CCTECH] QBUS backplanes, potentially free for shipping

From: Ethan Dicks <erd_6502_at_yahoo.com>
Date: Fri May 24 10:10:09 2002

--- Paul Thompson <thompson_at_new.rr.com> wrote:
> From: Paul Thompson <thompson_at_new.rr.com>
> To: cctech_at_classiccmp.org
> Subject: [CCTECH] QBUS backplanes, potentially free for shipping
> Reply-to: cctalk_at_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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Received on Fri May 24 2002 - 10:10:09 BST

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