IBM 621410U Hardware Maintenance Manual - Page 111
To install the system board, reverse the previous steps., the board up and out of the computer.
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Page 111 highlights
4. Disconnect all internal system board cables. 5. Remove the seven screws that secure the system board to the chassis and lift the board up and out of the computer. 6. To install the system board, reverse the previous steps. FRU information (service only) 103
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4.
Disconnect all internal system board cables.
5.
Remove the seven screws that secure the system board to the chassis and lift
the board up and out of the computer.
6.
To install the system board, reverse the previous steps.
FRU information (service only)
103