... 600, 600E, 600X,ThinkPad 500, 560, 570 ThinkPad A20, A20M, A21, A22, A22M, A30, A31, A31P ThinkPad R30, R31, R32, R33ThinkPad T20, T21, T22 ... , T23, T24, T30, T40, T41 ThinkPad X20, X21, X22, X23, ... X30, X31, X40 ThinkPad i1200 Series, i1300 ...