9 Oct
2024
9 Oct
'24
9:38 p.m.
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-flop…
--
Grumpy Ol' Fred cisin(a)xenosoft.com