FTGH: DEC 54-17507 backplane; Sun type-4 keyboards

Jules Richardson jules.richardson99 at gmail.com
Sun Jul 24 09:29:00 CDT 2016

On 07/13/2016 07:58 PM, Mouse wrote:
> - One DEC 54-17507.  Google makes me think this is the Qbus backplane
>     from a BA123.  It appears to be in good shape; while I am not set up
>     to test it, it looks pretty much "too simple to break".  It consists
>     of the PCB, the Qbus connectors on one side, two 18-pin power
>     connectors and one ten-pin connector with blue plastic shroud on the
>     other side, and a piece of heavy sheet steel all this is bolted to.
>     (And the bolts, of course. :-)  Oh, all four resistor packs are
>     installed.

Did you find a home for this yet? I'm tempted, just because it might be 
what I need to try powering up the 11/84 CPU that I got in my recent pile 
of DEC boards.



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