Int 2F Fn 5758  U - Helix Multimedia Cloaking - Cacheclk - Installation C  [c]

   AX = 5758h
   BX = 4858h ('HX')
   DX = 4443h ('DC')
   CX <> 5758h

Return: BX = 6878h if installed
   DX = 6463h if installed
      CX = version (CH=major,CL=minor)
Program: CACHECLK is a 'Cloaked' disk cache by Helix Software

Note:  returns with registers unchanged if CX=5758h on entry

See Also: INT 16/AX=5758h/BX=4858h,INT 2F/AX=4310h"Cloaking"