I downloaded the 3 iso images and noticed the disc 1 i burned was fubared, the disc didnt boot and rawrite.exe was corrupt, burned the boot.img from 7.3 disc 1 with another rawrite.exe i had and the ...

An ISO image is an exact copy of the data on an optical disc, such as a CD, DVD, or Blu-ray Disc. Using the right software, you can create ISO images from optical discs and use them in place of the ...

RedHat should have a file on their FTP (or wherever you got the ISO from) called md5sums, in it will be a checksum for the file, run md5sum on the ISO you have and see if it matches.