Originally Posted by
OldnGrounded
Yup, up until the PDP-11/45 Unibus and 11/83 Q-bus systems, when the memory circuitry was physically separated.
Best use I ever saw of the 11/45 was in the wind tunnel at Uplands National Research Centre near Ottawa. They had full bipolar memory in it - probably the fastest PDP11 that ever existed. Faster machine for many years after that!