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Chapter 3 BIOS Setup
Chapter 3
USB Configuration
This section is used to configure the parameters of the USB device.
Legacy USB Support
Enabled
Enables legacy USB.
Auto
Disables support for legacy when no USB devices are connected.
Disabled
Keeps USB devices available only for EFI applications.
XHCI Hand-off
This is a workaround for OSes without the support of XHCI hand-off. The change of
XHCI ownership should be claimed by the XHCI driver.
EHCI Hand-off
This is a workaround for OSes without the support of EHCI hand-off. The change of
EHCI ownership should be claimed by the EHCI driver.
Port 60/64 Emulation
Enable I/O port 60h/64h emulation support. This should be enabled for the complete
USB keyboard legacy support for non-USB aware OSes.
Enables Legacy USB
support. AUTO option
disables legacy support if
no USB devices are
connected. DISABLE
option will keep USB
devices available only for
EFI applications.
Aptio Setup Utility - Copyright (C) 2011 American Megatrends, Inc.
Version 2.14.1219. Copyright (C) 2011 American Megatrends, Inc.
USB Confi guration
USB Devices:
2 Hubs
Legacy USB Support
XHCI Hand-off
EHCI Hand-off
Port 60/64 Emulation
Advanced
[Enabled]
[Enabled]
[Enabled]
[Enabled]
Select Screen
Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous
Values
F3: Optimized
Defaults
F4: Save & Reset
ESC: Exit
F71879 Super IO Configuration
This section is used to configure the I/O functions supported by the onboard Super I/O chip.
Restore AC Power Loss
Help.
Aptio Setup Utility - Copyright (C) 2011 American Megatrends, Inc.
Version 2.14.1219. Copyright (C) 2011 American Megatrends, Inc.
F71879 Super IO Confi guration
F71879 Super IO Chip
Restore AC Power Loss
WatchDog Timer
SuperIO Watchdog Timer
Serial Port 5 Confi guration
Advanced
F71879
[Power Off]
[Disabled]
10
Select Screen
Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous
Values
F3: Optimized
Defaults
F4: Save & Reset
ESC: Exit
Restore AC Power Loss
Power Off
When power returns after an AC power failure, the system’s power is off. You
must
press the Power button to power-on the system.
Power On
When power returns after an AC power failure, the system will automatically power-on.
Last State
When power returns after an AC power failure, the system will return to the state
where you left off before power failure occurs. If the system’s power is off when AC
power failure occurs, it will remain off when power returns. If the system’s power is on
when AC power failure occurs, the system will power-on when power returns.
Watchdog Timer
Enable or disable the Super I/O WatchDog Timer.
