Int 14 Fn 1C  - X00 Fossil - Activate Port                                 [S]

   AH = 1Ch
   DX = port number

Return: AX = 1954h if successful
   BL = maximum function number supported (not including 7Eh and above)
   BH = revision of FOSSIL specification supported

Note:  this is a duplicate of AH=04h, so that AH=04h may be made compatible
     with the PS/2 BIOS in a future release

See Also: AH=04h"FOSSIL",AH=1Dh