The best settings foe Safedisk V2 ?

[crispy]

And finally, a fully working 1:1 backup is very hardware dependant.
So, it will depend upon the make and model of your burner.
Before wasting any cdrs, I'd post these details, as whilst the above advice is very correct, it is only to a point. CloneCD and ClonyXl will only make a true copy if your burner is up to the task. Otherwise you'll have some lovely coasters.