CFA3000 noob here. I have a IIGS and have been loading disk images without an issue. However, I haven't been able to format/initialize a disk without getting a response of "I/O Error" after a few seconds. I've tried from DOS 3.3, using the INIT command, immediately after creating the new blank image using the CFA3000 then mounting it to one of the drives.
I'm also trying to play Sierra's "The Black Cauldron" game, which requires you to type 'init disk' in the game to prepare a disk for saving. That also gives me an 'I/O Error' message. Can anyone offer some advice on what I may be missing here? I'm new to both the CFA3000 and the Apple II. I collect old systems, but hadn't touched an Apple II since the 80's until a couple of days ago when I got this IIGS.
I should add that I've also tried turning off the auto-patching in the options, but that didn't change anything. Is just a little slower to return the 'I/O error' message.