3 intel igd swsci opregion – IEI Integration PM-PV-N4551_D5251 User Manual
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PM-PV-D4251/N4551/D5251 User Manual
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Î
Enabled D
EFAULT
The onboard High Definition Audio controller
automatically detected and enabled
Î
Disabled
The onboard High Definition Audio controller is disabled
Î USB Function [Enabled]
Use the USB Function BIOS option to enable or disable USB function support.
Î
Disabled
USB function support disabled
Î
Enabled D
EFAULT
USB function support enabled
Î USB 2.0 (EHCI) Support [Enabled]
Use the USB 2.0 (EHCI) Support BIOS option to enable or disable USB 2.0 support.
Î
Enabled D
EFAULT
USB 2.0 (EHCI) support enabled
Î
Disabled
USB 2.0 (EHCI) support disabled
Î Set Spread Spectrum Function [Disabled]
The Set Spread Spectrum Function option can help to improve CPU EMI issues.
Î
Disabled
D
EFAULT
The spread spectrum mode is disabled
Î
Enabled
The spread spectrum mode is enabled
5.4.3 Intel IGD SWSCI OpRegion
Use the Intel IGD SWSCI OpRegion menu to configure the video device connected to the
system.