... , A20P, A21, A21E, A21M, A21P, A22E, A22M, A22P, A30, A30 series, A30P, A31, A31P, R30, R31, R32, R40, R40E, R50, R50E ... , i-1241, i-1251, i-1271, i-1300, i-1300 series, i-1321, i-1340, i-1351, i-1351, i-1391 ... -1720, i-1721, i-1351, i-1361, i-1391IBM Thinkpad T20, T21, T22, T23, T30, T40, T40P, T41, T41P, T42, T42PIBM ... i-1241 i-1251 i-1271 i-1300 i-1300 series