Int 15 Fn 70  - Hunter 16 - Control Sound                                  [b]

   AH = 70h
   AL = new state
       00h disable sound
       else enable sound

Note:  the Husky Hunter 16 is an 8088-based ruggedized laptop.  Other family
     members are the Husky Hunter, Husky Hunter 16/80, and Husky Hawk.