I don't know of a ROM Simm Enable jumper LC475/Q605, such as on the IIcx,IIci,IIsi.
However I am sure there is a way, even if its a 000 Ohm resister somewhere, VS a jumper, I could live with that!
However I am sure there is a way, even if its a 000 Ohm resister somewhere, VS a jumper, I could live with that!