MSI Z270 gaming M3 Manual page 50

[Enabled]
[Disabled]
USB Configuration
f
Sets the onboard USB controller and device function. Press Enter to enter the sub-
menu.
fUSB Controller [Enabled]
Enables or disables all USB controller.
fXHCI Hand-off [Diasbled]
Enables or disables XHCI hand-off support for the operating system without XHCI
hand-off feature.
fLegacy USB Support [Enabled]
Sets Legacy USB function support.
[Auto]
[Enabled]
[Disabled]
fUSB Speed Optimization [Auto]
Enables or Disables the USB speed optimization. If set to Auto, BIOS will optimize
the USB speed automatically.
Super IO Configuration
f
Sets system Super I/O chip parameters including LPT and COM ports. Press <Enter>
to enter the sub-menu.
fSerial (COM) Port x Configuration
Sets detailed configuration of serial(COM) port x. Press <Enter> to enter the sub-
menu.
fSerial (COM) Port x [Enabled]
Enables or disables serial (COM) port x.
fSerial (COM) Port x Settings [Auto]
Sets serial port x (COM). If set to Auto, BIOS will optimize the IRQ automatically or
you can set it manually.
Power Management Setup
f
Sets system Power Management of EuP2013 and AC Power Loss behaviors. Press
Enter to enter the sub-menu.
fEuP 2013 [Disabled]
Enables or disables the system power consumption according to EuP2013
regulation.
[Enabled]
[Disabled]
50
BIOS Setup
Enables multi-screen function for both integrated and external
graphics cards.
Disables this function.
The system will automatically detect if any USB device is connected
and enable the legacy USB support.
Enable the USB support under legacy mode.
The USB devices will be unavailable under legacy mode.
Optimize the system power consumption according to EuP 2013
regulation. It will not support S4 & S5 wake up by USB, PCI and PCIe
devices.
Disables this function.