ɪn sˈɪstəm ˈɑːɹkɪtˌɛktʃɚz ɪnwˌɪtʃ pˈoːɹt aɪ slˈæʃ ˈoʊ ænd mˈɛmɚɹi ɑːɹ mˈæpt ˌɪntʊ ɐ sˈuːɾəbəl ɐdɹˈɛs spˈeɪs, ɐn ˈaɪəmˌuː kæn tɹænslˈeɪt pˈoːɹt aɪ slˈæʃ ˈoʊ ˈæksɛsᵻz.
In system architectures in which port I/O and memory are mapped into a suitable address space, an IOMMU can translate port I/O accesses.