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South Bridge
Legacy USB Support
This feature enables legacy USB support. The Auto setting disables legacy support when
no USB device is connected. The options are Disabled, Enabled, and Auto.
XHCI Hand-off
This feature enables a workaround for operating systems without XHCI hand-off support.
The options are Disabled or Enabled.
Install Windows 7 USB Support
Enable this feature to use the USB keyboard and mouse during the Windows 7 installation
since the native XHCI driver support is unavailable. Use a SATA optical drive as a USB
drive. USB CD/DVD drives are not supported. Disable this feature after the XHCI driver
has been installed in Windows. The options are Disabled and Enabled.
RSA Support
This feature enables Rack Scale Architecture (RSA) support. The options are Disabled or
Enabled.
Azalia
This feature enables HD Audio (Azalia) devices. The options are Auto or Disabled.
SATA And RST Configuration
SATA Controller(s)
Use this feature to enable or disable the onboard SATA Controllers. The options are Enabled
or Disabled.
Configure SATA as
Use this feature to select the mode for the installed SATA drives. The options are AHCI or
RAID.
Aggressive Link Power Management
Select enabled for the PCH to aggressively enter the link power state. The options are
Disabled or Enabled.
Storage Option ROM/UEFI Driver
This feature controls the execution of UEFI and Legacy OpROM. The options are Disabled,
UEFI, and Legacy.
Serial ATA Port 0~5
Software Preserve
This feature displays the software information for the detected device.
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Chapter 4: BIOS
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