Thanks for the answer. This was what I wanted to know with my question. I already have it configured like that (one of the launch options) and with my current setup everything is working great.
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In my reply I mentioned that when using ChoiDujourNXI had selected the autoRCM option but that I thought it had no effect as I was running EmuNAND
But the question is...... What way its better? primary or secondary... and... why?