[Info-vax] Attaching an actual 3.5" floppy drive to SIMH-VAX RXV21 device?

[Steven Schweda]

> They might have come with RD53 as well, but you get they idea...

   Older ones came with an RQDX2, which was unable to handle
one of those gigantic RD54 disks.  (As I discovered the hard
way, after we upgraded an RD53 in a mu-VAX II to an RD54-like
disk.  As I recall, a used RQDX3 was still fairly cheap when
compared to the disk itself.)