Newsgroups: comp.sys.mac.misc
Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!caen!orbit.engin.umich.edu!fprefect
From: fprefect@caen.engin.umich.edu (Matt Slot)
Subject: Re: Mac SE thinks there's a third floppy drive
Message-ID: <NF_-VT#@engin.umich.edu>
Date: Fri, 07 Jun 91 16:45:00 GMT
Organization: University of Michigan Engineering, Ann Arbor
Summary: Try Command-Shift-Zero
Sender: fprefect@caen.engin.umich.edu

I've found that if you have an empty drive that thinks it has 
  a disk in it, Cmd-Shift-1 or C-S-2 takes care of it. C-S-0 (Zero)
  is supposed to work on a third drive. I had to do this earlier
  this morning and it worked fine.
 

fprefect@caen.engin.umich.edu 

Matt Slot, CAEN Mac_Support