Where UEFI EEPROM located?

Hello guys, i damage my uefi instaling clover uefi bootloader on bios, and on a Brazilian assistant, charge me around 1,500 us to a new board( a riser board Side A) , and seeing the teardown, i think is the other board is located the bios.

Please, help me to economics ... Thx

Is a Mac Pro Late 2013

Vicente Alves Ferreira