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Line 9: The SMU manages thermal and power conditions to optimize the power and airflow while keeping audible noise to a minimum. Power consumption and temperature are monitored by the [[operating system]], which communicates the necessary adjustments back to the SMU. The SMU makes the changes, slowing down or speeding up fans as necessary. Resetting the SMU may fix certain problems during [[troubleshooting]]. <ref>http://web.archive.org/web/20081227234016/http://support.apple.com/kb/HT1436?viewlocale=en_US</ref> == See also ==

System Management Unit: Difference between revisions