FIT Pointer
The processor locates the FIT by following the FIT Pointer, which is located at the fixed address 4 GB - 40h (i.e., 0FFFFFFC0h). The FIT pointer points to the first byte of the Header (type 0) entry in the FIT.
The processor locates the FIT by following the FIT Pointer, which is located at the fixed address 4 GB - 40h (i.e., 0FFFFFFC0h). The FIT pointer points to the first byte of the Header (type 0) entry in the FIT.