Int 21 Fn 4414  U - Dr-dos 5.0 - Set Global Password                       [O]

   AX = 4414h
   DS:DX -> password string (blank-padded to 8 characters)
Desc:  Specify the master password for accessing files.

Note:  this obsolete call which will not be supported in future versions of
     DR-DOS is identical to AX=4452h

See Also: AX=4454h