Lenovo 3000 Hardware Maintenance Manual page 144

21. Connect the heat sink and fan assembly cable to the new system board. See
22. Install the new system board into the chassis and align the screw holes with
23. Pivot the hard disk drive back into position.
24. Connect the power and signal cables to the hard disk drive.
25. Connect all cables to the system board. See the system board illustration for
26. Go to "Completing the FRU replacement" on page 161.
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Hardware Maintenance Manual
the system board illustration for your machine type at "Locating parts on the
system board" on page 125.
those in the chassis. Insert and tighten the screws that secure the system
board.
your machine type at "Locating parts on the system board" on page 125.