The Intel Fortran Compiler 6.0 for Linux, supporting
development of performance-oriented applications for
Pentium processors, including the new Pentium 4
processor (and the 64-bit Intel Itanium processor).

You can obtain 30-day Free Evaluation Software(Includes Support) 
or, Non-Commercial Unsupported lisence.
Newer version of ifc can obtain at https://premier.intel.com/,
and another registration is required.

WWW: http://www.intel.com/software/products/compilers/f60l/
     https://premier.intel.com/