Power down control [auto, Southbridge configuration, Primary graphics adapter [pcie – Asus M2N DH User Manual
Page 84: Azalia audio [auto, Onboard lan [auto

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Chapter 4: BIOS setup
MemClk Tristate C3/ATLVID [Disabled]
Enables or disables the MemClk Tri-Stating during C3 and Alt VID.
Configuration options: [Enabled] [Disabled]
Memory Hole Remapping [Enabled]
Enables or disables the memory remapping around the memory hole.
Configuration options: [Enabled] [Disabled]
Power Down Control [Auto]
Allows the DIMMs to enter power down mode by deasserting the clock enable
signal when DIMMs are not in use. Configuration options: [Auto] [Disabled]
SouthBridge Configuration
The SouthBridge Configuration menu allows you to change the SouthBridge
settings.
Select Screen
Select Item
+- Change Option
F1 General Help
F10 Save and Exit
ESC Exit
South Bridge Chipset Configuration
Primary Graphics Adapter
[PCIE]
AZILIA AUDIO
[Auto]
OnBoard LAN
[Auto]
OnBoard LAN Boot ROM
[Disabled]
Enable or Disable
SMBus Controller.
Primary Graphics Adapter [PCIE]
Allows you to select the graphics controller to use as the primary boot device.
Configuration options: [PCI] [PCIE]
AZALIA AUDIO [Auto]
Allows you to disable or set the High-Definition audio function.
Configuration options: [Auto] [Disabled]
OnBoard LAN [Auto]
Allows you to disable or set the onboard LAN controller.
Configuration options: [Disabled] [Auto]
OnBoard LAN Boot ROM [Disabled]
Allows you to enable or disable the option ROM in the onboard LAN
controller. This item appears only when the Onboard LAN item is set to
Enabled. Configuration options: [Disabled] [Enabled]