Hints:



Every laptop is made slightly differently so you will have to get directions from the manufacturer on how to access the motherboard. The laptop manual will probably include directions for how to do this and how to replace the CMOS battery.

Compatibility :IBM Thinkpad 570 Series -- 570, 570E, 570X, 570Z

IBM ThinkPad A Series -- A20, A20P, A20M, A21, 
A21E, A21M, A21P, A22, 
A22M, A22P, A23, A30, 
A30P, A31P

IBM ThinkPad T Series -- T20, T21, T22, T23, T30, 

T40, T40p, T41, T41p

T42, T42p, T43, T43p
T60, T60p, T61, T61p

IBM ThinkPad R Series -- R50, R50e, R50p, R51, R52, R60, R60e,  R61, R61i

IBM ThinkPad X Series -- X30, X31, X32

IBM xSeries -- 300, 400

Lenovo Series -- T400, T500, R400, R500, W500, W700

Quantity: 1 pcs