jˌuːˌɛsbˈiː kəntɹˈoʊlɚz ˌɔn ˈædɪn kˈɑːɹdz ˈiː.dʒˈiː. ˈɪsə, pˌiːsˌiːˈaɪ, ænd pˌiːsˌiːˈaɪˈiː ɑːɹ ˈɔːlmoʊst nˈɛvɚ kˈeɪpəbəl ʌv bˌiːɪŋ bˈuːɾᵻd fɹʌm, sˌoʊ sˈɪstəmz ðæt duːnˌɑːt hæv nˈeɪɾɪv jˌuːˌɛsbˈiː kəntɹˈoʊlɚz ɪn ðɛɹ tʃˈɪpsɛt ˈiː.dʒˈiː. sˈʌtʃ ɐz ˈoʊldɚ wˈʌnz bᵻfˌoːɹ jˌuːˌɛsbˈiː lˈaɪkli wɪl biː ʌnˈeɪbəl tə bˈuːt fɹʌm jˌuːˌɛsbˈiː ˈiːvən wɛn jˌuːˌɛsbˈiː ɪz ɛnˈeɪbəld vˈaɪə sˈʌtʃ ɐn ˈædɪn kˈɑːɹd.
USB controllers on add-in cards (e.g. ISA, PCI, and PCI-E) are almost never capable of being booted from, so systems that do not have native USB controllers in their chipset (e.g. such as older ones before USB) likely will be unable to boot from USB even when USB is enabled via such an add-in card.