Date   : Sat, 23 Feb 1985 08:21:00 EST
From   : Lowans.Wbst@XEROX.ARPA
Subject: Re: HELP: Bdos error on B:R/O

       Some CPM systems will assign a dick drive a R/O when the drive door is
opened, as when changing disks (hence the intermittence). If this is the
case,  enter CTRL-C after changing disks.
                                                                               Paul