MSI Mega 180 User Manual page 79

Setting BIOS Function
IRQ/Event Activity Detect
Press <Enter> and the following sub-menu appears.
IRQ [3-7, 9-15], IRQs Activity & IRQ8
This setting enables/disables the monitoring of the specified IRQ line. If set to
Enabled, the activity of the specified IRQ line will prevent the system from enter-
ing power saving modes or awaken it from power saving modes. Setting options:
Disabled, Enabled.
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