... CE/FCC/ROHS high quality,high reliability and stable of adapter Built-in OVP OCP OTP and SCP SpecificationsItem numberYI302ProductDesk- ... 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, ...