From: doug.mccomber@fakepart.gmail.com   
      
   Dave Griffith wrote:   
   > thewises  wrote:   
   >   
   >>>So I turn the computing off, pause, and back on. LDOS boots. This disk   
   >>>is "good", and this behaviour is the same with other boot disks. What   
   >>>gives? Is it okay to turn your M4 on with a floppy in the drive?   
   >   
   >   
   >>I've heard that when you turn a computer on(or turn it off), a power surge   
   >>goes through the floppy drives that will damage disks that are in them. I   
   >>heard that this can happen with _any_ computer.   
   >   
   >   
   > I haven't heard of such a problem like this until a few months ago.  It   
   > /may/ be true of TRS80 machines and CP/M machines, but I missed their   
   > heyday.  I haven't noticed the problem with x86 PCs since at least 1992.   
   > Before that I used Apple II series extensively and it didn't happen   
   > there either.  In fact, I seem to remember the Apple II manuals   
   > specifically saying that one should insert a disk, THEN turn on power.   
   >   
   The last place I read about it was in the DOSPLUS 3.3 manual (for the   
   Model III). It said to prevent damage to the disk, turn the M3 on,   
   insert the disk, press reset. I don't have an actual M3 to try this on,   
   but it doesn't work on the M4 (at least not on mine).   
      
   Regards,   
      
   --   
   Doug McComber   
   http://www.VintageComputing.net   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)