i did what u said initialize like an audio cd and i put to play it appears "insert disc" http://img384.imageshack.us/my.php?image=imagemqg4.jpg its related with the boot or kinda alike i use chankast and give the same message i coudnt load the boot
im using null dc i have some isos in .mdf actually i trying to run sonic i mount with daemon but the emulator dont get the proper .mdf extension just .cdi,.mds,.nrg and .gdi...