Int 60  u - Hp 95lx System Manager - Set Default Drive                     [b]

   DI = 0514h
   STACK:  2 WORDs unused dummies (for calls from high level languages)
       WORD    new drive

Return: ???
   STACK unchanged

See Also: INT 21/AH=0Eh"DOS 1+",INT 60/DI=0513h