Instruction Manual

2-20
ASUS M4N78 PRO
SouthBridge Conguration
Hybrid SLI Support [Disabled]
Allows you to enable or disable the NVIDIA Hybrid SLI technology. This item is not user-
congurable when no external graphics card is installed.
Conguration options: [Disabled] [Auto]
Hybrid SLI Mode [mGPU Auto]
Allows you to select the Hybrid SLI mode.
Conguration options: [mGPU Auto] [mGPU always enable]
iGPU Frame Buffer Detect [Disabled]
Conguration options: [Disabled] [Auto]
Hybrid SLI Frame buffer size [256MB]
This item becomes user-congurable when you set the iGPU Frame Buffer Detect item to
[Disabled] and allows you to set the frame buffer size for the onboard GPU.
Conguration options: [32MB] [64MB] [128MB] [256MB] [512MB] [Disabled]
Primary Graphics Adapter [PCIE VGA Card First]
Allows you to select which graphics controller to use as the primary boot device.
Conguration options: [PCI VGA Card First] [Internal VGA First] [PCIE VGA Card First]
PCIE training [Gen2 if supported]
Conguration options: [Only Gen1] [Gen2 if supported]
2.5.3 Onboard Devices Conguration
Onboard LAN [Auto]
Allows you to enable or disable the onboard LAN.
Conguration options: [Auto] [Disabled]
Onboard LAN Boot ROM [Disabled]
Allows you to enable or disable the onboard LAN Boot ROM.
Conguration options: [Disabled] [Enabled]
HD Audio Device [Internal codec + External codec]
Allows you to congure the HD Audio controller.
Conguration options: [Disabled] [Internal codec + External codec] [Internal codec]
[External codec]
Front Panel Select [HD Audio]
Allows you to set the front panel audio connector (AAFP) mode to legacy AC’97 or high-
denition audio depending on the audio standard that the front panel audio module supports.
Conguration options: [AC97] [HD Audio]
Serial Port1 Address [3F8/IRQ4]
Allows you to select the Serial Port1 base address.
Conguration options: [Disabled] [3F8/IRQ4][2F8/IRQ3] [3E8/IRQ4] [2E8/IRQ3]