11/73 into 11/03 chassis?

[Jacob Ritorto]

On Thu, Dec 10, 2015 at 5:22 AM, Joseph Lang <joe.lang.0000 at gmail.com>
wrote:

>  It's simple to convert the h9270 q18 (11/03) to q22. Just wire the
> additional address lines. It took me about an hour to do mine.
> Don't put an 11/03 in it after conversion. The added lines are not
> addresses on the 03 CPU.
>


Joe,
    I saw some pics about this a few weeks ago.  I'd tried it twenty years
ago, but didn't succeed - will have to find that backplane that I'd started
to modify and try again.  Would you happen to have notes or references
about how to do it?