On Feb 28, 6:49 am, oz390gta <oz390...@gmail.com> wrote: > I have an Apple III that powers up but I don't have a boot disk. I > have a IIgs with 5.25 drive connected to my Mac with ADTPro. Can I use > this to make a boot disk for the Apple III? Yes. Or you can use ADTPro to boot the III over the serial line... http://adtpro.sourceforge.net/bootstrap3.html