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Chipset
X
PCH-IO Configuration
User's Manual | CMS171/CMS173
PCI Express Configuration
PCI Express Configuration Settings
SATA And RST Configuration
SATA Device Otpions Settings
HD Audio Configuration
HD Audio Subsystem Configuration Settings
LAN1(I219)
Enable or disable onboard NIC.
Wake on LAN Enable
Enable or disable integrated LAN to wake the system.
Above 4GB MMIO BIOS assignment
Enable/Disable above 4GB MemoryMappedIO BIOS assignment. This is enabled automatically
when Aperture Size is set to 2048MB.
Max TOLUD
Assign the maximum value of Top Of Lower Usable DRAM (TOLUD). Select to specify a fixed
value, or select "Dynamic" so that the assignment would adjust TOLUD automatically based on
largest MMIO length of installed graphic controller.
VT-d
VT-d capability
Control Iommu Pre-boot Behavior
Enable dTBT and PCH USB topology IOMMU in Pre-boot environment (If DMAR table is
installed in DXE and If VTD_INFO_PPI is installed in PEI. ) TBT tree won't be included in the
exception list.
DMA Control Guarantee
Enable/Disable DMA_CONTROL_GUARANTEE bit.
Hybrid Storage Mode
Select Hybrid Storage detection and configuration Mode.
Chapter 3
BIOS SETTINGS
34
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