Yay, now I need some Osborne boot media!

[Chuck Guzis]

One of the easier methods of crossing the old-new divide is to replace 
or add a 3.5" floppy drive to the XT and use 2D (not high-density) media 
to exchange.  Leave the other 5.25" floppy where it is.  Of course, 
you'll need the header-to-edge adapter and the power cable adapter, but 
AFAIK, they're still available--as well as drive bracket adapters.

Later versions of MS-DOS (I don't recall exactly when, but I think it 
was around 3.3 or earlier, have a DRIVER.SYS installable driver to 
handle the full 720K)--otherwise, you may be restricted to writing 360K.

The actual type 3.5" drive doesn't matter much--you can use an HD or DD 
drive, so long as it's media-sense and not host-directed for density 
(almost all are) and you use DD disks (or cover the media type aperture 
on the floppy.)

--Chuck