ðɪ ˌiːˌɛfˈaɪ sˈɪstəm pɑːɹtˈɪʃən ɪz fˈɔːɹmæɾᵻd wɪð ɐ fˈaɪl sˈɪstəm hˌuːz spˌɛsɪfɪkˈeɪʃən ɪz bˈeɪst ɔnðɪ ˌɛfˌeɪtˈiː fˈaɪl sˈɪstəm ænd meɪntˈeɪnd æz pˈɑːɹt ʌvðə jˈuːfi spˌɛsɪfɪkˈeɪʃən; ðˈɛɹfoːɹ, ðə fˈaɪl sˈɪstəm spˌɛsɪfɪkˈeɪʃən ɪz ˌɪndᵻpˈɛndənt fɹʌmðɪ ɚɹˈɪdʒɪnəl ˌɛfˌeɪtˈiː spˌɛsɪfɪkˈeɪʃən.
The EFI system partition is formatted with a file system whose specification is based on the FAT file system and maintained as part of the UEFI specification; therefore, the file system specification is independent from the original FAT specification.