UEFI bioses have been around for years... Intel x86 motherboards became available around (I think) 2006.
Generally speaking, a UEFI motherboard will have a setting that allows it to emulate the old PC BIOS boot protocol, so you can still boot Windows 3.1 on it
But there's no need of that for Windows 7, which is UEFI-aware.
You are possibly confusing UEFI itself with the new 'secure boot' feature of UEFI, about which there has been a lot of internet heat and not so much light.
But there's no need of that for Windows 7, which is UEFI-aware.