Int 2F Fn 1614  U - Ms-dos 7 Kernel - Set System.dat (registry File) Path  [D]

   AX = 1614h
   ES:DI -> ASCIZ pathname to Windows95 SYSTEM.DAT

Return: AX = status
       0000h if successful
       1614h not supported
       other: maximum length of pathname (004Eh for v4.00.950)

See Also: AX=160Eh,AX=1611h,AX=1613h,AX=1690h