DEC BA213 and BA213 S-boxes?

Bill Degnan billdegnan at gmail.com
Sat Mar 31 19:28:56 CDT 2018


On Sat, Mar 31, 2018, 4:26 PM Glen Slick via cctech <cctech at classiccmp.org>
wrote:

> On Sat, Mar 31, 2018 at 9:04 AM, Bill Degnan via cctech
> <cctech at classiccmp.org> wrote:
> >
> > FYI  - Not sure if I mentioned this but I too am working on setting up a
> > DECServer 550 to be an 11/83.  Useful tips recently, thanks all.
> > b
>
> Using an M7554 KDJ11-D DECserver 550 CPU (in which case it would be an
> 11/53), or with an M8190 KDJ11-B CPU?
>
> Using an M7554 KDJ11-D DECserver 550 CPU is nice in that you get 1.5MB
> of RAM on board and the two MMJ async ports on the S-handle bracket,
> but of course it is slower than an M8190 KDJ11-B CPU because it has no
> cache, no support for adding an FPJ11 FPA, and no support for PMI
> memory.
>
> With an M8190 KDJ11-B CPU you would have to hack up some sort of
> bracket for the console async port, and for the diagnostic LED display
> if you wanted that too. If DEC ever made an S-handle console panel for
> the M8190 KDJ11-B CPU I have never seen one.
>

I am starting with the
M8190 AE (CPU)
M8637 EH (or EA?) RAM
M8637 EH RAM

I have other cards here:
http://vintagecomputer.net/browse_thread.cfm?id=715

With these I should be able to get started, thanks all for the info.

Bill

>


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