On Sun, Sep 10, 2023 at 2:24 PM Chuck Guzis via cctalk < cctalk@classiccmp.org> wrote:
> On 9/10/23 13:31, Fred Cisin via cctalk wrote: > > On Sun, 10 Sep 2023, Chuck Guzis via cctalk wrote: > >> Can't say, but probably. I've got an 8" disk here written by an Apple > >> II. Encoding is weird--basically the Apple RWTS encoded as 8 bit FM > >> (3740) bytes. Haven't bothered to see from whence it came. > > > > Sorrento Valley Associates sold an FDC for Apple2. At Comdex, they had > > it wired to an 8" drive. So, perhaps they supported an FM version of > > the Apple2 GCR format? > > Have no idea, but was surprise to see RWTS encodings in standard FM. > > --Chuck > No, that controller (I'm suspecting) allowed native Apple ][ access to IBM 3740 format disks. Sellam