Removing and replacing a FRU

Important notice for handling the system board in ThinkPad T42 series:

In ThinkPad T42 series, the security chip is soldered on the underside of the system board as in this figure.

In ThinkPad T42 series, accelerometer chip for the HDD

Active Protection System is also soldered on the topside of the system board.

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146T40/T40p, T41/T41p, T42/T42p

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Lenovo T42/T42P, T41/T41P manual Removing and replacing a FRU