対応機種: ThinkPad R400 ThinkPad R500 ThinkPad T400 ThinkPad T500 ThinkPad W500 ThinkPad X200 ThinkPad X300 ThinkPad A20m, A20p, A21e, A21m, A21p, A22e, A22m, A22p ThinkPad A30, A30p, A31, A31p ThinkPad G40, G41 ThinkPad G50 ThinkPad R30, R31, R32 ThinkPad R40, R40e ThinkPad R50, R50e, R50p, R51, R51e, R52 ThinkPad R60, R60e, R61, R61e ThinkPad T20, T21, T22, T23 ThinkPad T30 ThinkPa