I've figured out most of what you need to know to get an M7554
board working as a PDP-11/53 CPU, including the console pinout,
most of the jumpers, and how to burn ROMs for the M7554-SD. It's
all written down here:
http://users.safeaccess.com/engdahl/KDJ11.htm
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Jonathan Engdahl             Rockwell Automation
Principal Research Engineer  24800 Tungsten Road
Advanced Technology          Euclid, OH 44117  USA
Euclid Labs                  
http://users.safeaccess.com/engdahl