These links may help: http://decvax.50megs.com/doc/rqdx/rqdx.html <http://decvax.50megs.com/doc/rqdx/rqdx.html>
http://www.vcfed.org/forum/archive/index.php/t-47834.html <http://www.vcfed.org/forum/archive/index.php/t-47834.html> http://web.frainresearch.org:8080/projects/pdp-11/diskcntl.php <http://web.frainresearch.org:8080/projects/pdp-11/diskcntl.php> There’s definitely incompatabilities between the RQDX2 and RQDX3. They shouldn’t be assumed to be designed or act similarly, despite their names. The only similarity is that the RQDX3 can read the same floppy disks as the RQDX2 formats.
