It . What is it?
Windows 7 Pro does not install off the DVD without extra steps.
The forum and support for Boot Camp are where and worth reading
Our (mine also) will not boot off Windows Vista or lalter 64-bit without altering the EFI boot routine that requuires EFI64 (Mac Pro 2008+)
It will work, after it is installed and yuou get around the problems and the boot prompt