Dell Precision 330 Service Manual page 170

170 Sy st e m Boar d
Set the jumpers on the new system board so that they are identical to
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those on the original board.
Replace the computer cover and
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Run system setup to ensure that your settings are correct and that all
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system board components are correctly identified.
Run the Dell Diagnostics to verify that the system is operating
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properly.
restart the system.