I want to include 2 floppy drives inside my Atari Mega STe.Solved:DON'T USE A TWISTED CABLE !
The main floppy drive DS0 is the Gotek HxC (plugged in the upper part of the cable)
The jumpers are like this: (S0 selected)
The secondary floppy drive DS1 is the SMD-340 (plugged in the middle part of the cable)
The jumpers are like this: (DS1 selected, the other jumpers were left as is)