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Chapter 2: BIOS information
2.5 Power Menu
The Power menu allows you to reduce power consumption. This feature turns off
the video display and shuts down the hard disk after a period of inactivity.
2.4.3.2 PCI IRQ Resource Exclusion
IRQ XX Reserved [No/ICU]
These fields indicate whether or not the displayed IRQ for each field is being used
by a legacy device. The setting [No/ICU] for an IRQ field indicates that this
particular IRQ is NOT required by a legacy device. Set the IRQ field to [Yes] if you
install a legacy device that requires a unique IRQ.
Configuration options: [No/ICU] [Yes]