It was written....
> I believe you need DUX.SYS on the floppy if
you're trying to use the XM
> Monitor. At that point it should work.
To which David replied...
Excellent! That worked great. Do I also need DU.SYS or
can I get rid of
You would need the 'X' (extended) versions of device drivers any time you
are booting an extended monitor. For the single job or baseline monitors you
don't need the extended versions of device drivers.