For one reason or another, rawrite is very timing-sensitive.  I have had the
same problem from time to time and found that re-formatting the floppy on the
same machine you are using to rawrite almost always allows it to work.

 Robert H. Duncan                             
 Environmental Research Institute of Michigan 
 PO Box 134001  Ann Arbor, MI 48113-4001
 (313)994-1200 x2880 Internet: duncan@erim.org