On Wed, 9 Oct 2024, Chuck Guzis via cctalk wrote:
Anent strange floppy formats--I recall there being one in the early 70s that used a UART to encode an entire track (1 sector per track). I'm not talking about using a USRT-but an honest-to-goodness 8-bit plus parity start-stop, etc. device. Was that one an OSI innovation?
Quite likely. OSI (Ohio Scientific, Inc.) interfaced disks with a 6820 and 6850! : https://osi.marks-lab.com/boards/schematics/OSI470.pdf https://retrocomputingforum.com/t/the-strange-world-of-ohio-scientific-floppy-disk-controllers/3997 -- Grumpy Ol' Fred ci...@xenosoft.com
