MSI IFC-815N2D Series Manual page 51

I F C-815N2D M ainboard
USB Device Wakeup From S3
The item allows the activity of the USB device to wake up the system from
S3 (Suspend to RAM) sleep state.
Advanced ACPI Configuration
ACPI Version Features
This setting allows you to select the ACPI version.
ACPI APIC Support
This BIOS feature is used to enable or disable the motherboard's APIC (Advanced
Programmable Interrupt Controller). The APIC provides multiprocessor support,
more IRQs and faster interrupt handling.
3-14