msos2.hlp (Table of Contents; Topic list)
Important Notice
The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
SYS1240
SYS1240
 
Explanation
 
The wrong type of diskette was inserted in the drive.
 
Action
 
Make sure the diskette and diskette drive are the same type and retry the
command.