210E INT 21 - DOS 1+ - SELECT DEFAULT DRIVE
210E--DLAD INT 21 U - Novell DOS 7 - SDRes v27.03 - INSTALLATION CHECK
210E--DLAE INT 21 U - Novell DOS 7 - SDRes v27.03 - CLEAR ??? FLAG
210E--DLAF INT 21 U - Novell DOS 7 - SDRes v27.03 - SET ??? FLAG