I see. Thanks for reading!

Would have been too easy indeed.

Apple File Exchange won't help either I presume, as it was a hardware related issue of the IWM.

All Macs with the SWIM controller should be able to read the 1440k/720k floppies made in 10.8 with dd, right?

I´ll tell my friend rather to do that, than tinkering with BasiliskII build 142 or HFV Explorer on a old notebook.