ˌaɪbˌiːˈɛm ˈɔfɚd ɛkstˈɛndᵻd kəntɹˈoʊl pɹˈoʊɡɹæm səpˈoːɹt: vˈɜːtʃuːəl stˈoːɹɪdʒ ɛkstˈɛndᵻd ˈɛkps:vˌiːˌɛsˈiː mˈoʊd ˌɔn ɪts fˈoːɹɾi θɹˈiː ˌɛksˈɛks lˈaɪn; tʃˈænəl pɹˈoʊɡɹæmz jˈuːzd vˈɜːtʃuːəl ɐdɹˈɛsᵻz.
IBM offered Extended Control Program Support: Virtual Storage Extended (ECPS:VSE) mode on its 43xx line; channel programs used virtual addresses.