GadgetUK164 wrote: ↑Sun Dec 13, 2020 11:19 am There you go! If it works with the GVP, it's the SCSI controller. You could try toggling the other options on and off for the SCSI2SD (eg. SCSI 2 support / respond to short SCSI selection pulses, disable glitch filter etc. ie. Try with them flipped on or off vs what you tried already.
I have tried all the options. The point is that it only happens with KS 3.1, while with KS 1.3 it works smoothly.