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documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
SYS1901
SYS1901
 
Explanation
 
The system can only establish status of the COM port in MS OS/2 mode.
 
Action