On Sep 4, 2:09 pm, Steven Hirsch <snhir...@gmail.com> wrote: > The AE 1.6mb drive could do extended density using the built-in GS controller? > Didn't realize that. Yes. It was a nice idea. In some ways I wish Apple had gone with it. They likely could have tweaked the IIgs firmware to make 1.6mb bootable. But then we'd have another incompatibility issue