Int 16 Fn FA04  U - PC Tools V8+ Vsafe - Get Hotkey Disable Flag           [v]

   AX = FA04h
   DX = 5945h

Return: CF clear
   DI = 4559h
   BL = hotkey disable flag (nonzero if hotkey disabled)

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

See Also: AX=FA00h,AX=FA05h