On Wed, 4 Sep 2002, Tony Duell wrote:
However, the original question mentioned RS232. Which
is _not_ the same
as serial. RS232 implies certain voltage levels.
The CBM and Atari drives do not use an RS232 interface.
AND,..
If I recall correctly, the Tandy Pdd1, although it was "almost
RS-232" used TTL, NOT RS-232 voltage levels. There were some trivial
adapters available to permit it to work with "real" RS-232 signals.