MSI A88XI AC - Manual (Page 63)

Chapter 3
3-9 BIOS Setup
USB Configuration
Sets the onboard USB controller and device function. Press <Enter> to enter the sub-
menu.
USB Controller [Enabled]
Enables or disables the onboard USB controller.
XHCI Hand-off [Enabled]
Enables or disables XHCI hand-off support for the operating system without XHCI
hand-off feature.
EHCI Hand-off [Enabled]
Enables or disables EHCI hand-off support for the operating system without EHCI
hand-off feature.
Legacy USB Support [Enabled]
Sets Legacy USB function support.
[Auto] The system will automatically detect if any USB device is connected
and enables or disables the legacy USB support.
[Enabled] Enable the USB support for legacy operating systems that do not
support USB.
[Disabled] The USB devices are available only for UEFI applications.
Power Management Setup
Sets system Power Management of EuP2013 and AC Power Loss behaviors. Press
<Enter> to enter the sub-menu.
EuP 2013 [Disabled]
Enables or disables the system power consumption according to EuP2013
regulation.
[Enabled] Optimize the system power consumption according to EuP 2013
regulation.
[Disabled] Disables this function.
Note: When enabled, the system will not support S4/ S5 wake up functions by
RTC/ PCI-E/ USB.
Restore after AC Power Loss [Power Off]
Sets the system behaviors while encountering the AC power loss.
[Power Off] Leaves the system in power off state after restoring AC power.
[Power On] Boot up the system after restoring AC power.
[Last State] Restores the system to the previous state (power on/ power off)
before AC power loss.
Windows 8/ 8.1 Configuration
Sets Windows 8/ 8.1 detailed configuration and behaviors. Press <Enter> to enter the
sub-menu.
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