Apple IIgs ROM 03 Headaches

I’m still chasing an explanation for why some Apple IIgs computers won’t play nicely with Floppy Emu’s new 800K 3.5 inch Apple II disk emulation. I described the symptoms in my previous post – ProDOS and GS/OS disk images boot straight up on my IIgs without problems, and on most other IIgs systems, but for … Continue reading Apple IIgs ROM 03 Headaches