Int 16 Fn FA05  U - Pc Tools V8+ Vsafe - Set Hotkey Disable Flag           [v]

   AX = FA05h
   DX = 5945h
   BL = new value of hotkey disable flag (nonzero to disable hotkey)

Return: CF clear
   DI = 4559h

Note:  this function is a NOP under VWATCH, merely returning CF clear/DI=4559h

See Also: AX=FA00h,AX=FA04h