Point 1 and 2 on this picture need to be connected together. Point 1 goes to emmc and point 2 goes through the pcb board to the APU I think. If these 2 points are not connected together the Switch will not works (with or without chip, it does not matter).if no bridge, switch not working without the chip ?
You need to fix this first, see of the switch is working, then decide if you want to install the pikofly or not.
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Last edited by QuiTim,