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documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
SYS1456
SYS1456
 
Explanation
 
The disk or diskette in the target drive must be a newly formatted disk or
diskette or must already contain IBMBIO.COM and IBMDOS.COM.
 
Action
 
Reformat the disk or diskette using the /S option.