Amdahl Corp has bounced IBM at two major customers in Denmark and one in Switzerland: the Commercial Banks financial institution has ditched its 3090-400E for an Amdahl 5990-700, and the Tryg A/S insurance company replaced its 3900-200E with a 5990-500, to be upgraded to a 700 within a year; and Swiss company Wuestenrot has replaced its IBM 3081 with an Amdahl 5990-350.