Int 16 Fn FA08  U - PC Tools V9+ Vwatch V2.1 - ???                         [v]

   AX = FA08h
   DX = 5945h

Return: CF clear
   DI = 4559h
   AX = ??? (0002h)
   BX = version (BH=major, BL=two-digit minor)

Note:  this function is not supported by the PC Tools 9.0 VSAFE v2.0

See Also: AX=FA00h,AX=FA06h