ASUS TUF Z270 MARK 1 BIOS Manual
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1.6.4 PCH Configuration
PCI Express Configuration
This item allows you to congure the PCI Express slots.
PCIe Speed
This item allows your system to automatically select the PCI Express port speed.
Conguration options: [Auto] [Gen1] [Gen2] [Gen3]
DVMT Pre-Allocated
This item allows you to select the DVMT 5.0 Pre-Allocated (Fixed) Graphics Memory
size used by the Internal Graphics Device.
Conguration options: [32M] - [1024M]
DMI/OPI Configuration
This item allows you to control various DMI (direct media interface) functions.
DMI Max Link Speed
Set this item to [Enabled] to set DMI speed.
Conguration options: [Auto] [Gen1] [Gen2] [Gen3]
PEG Port Configuration
This item allows you to congure the PEG Port settings.
PCIEx16_1 Link Speed
This item allows you to congure the PCIEx16_1 slot.
Conguration options: [Auto] [Gen1] [Gen2] [Gen3]
PCIEx16_2 Link Speed
This item allows you to congure the PCIEx16_2 slot.
Conguration options: [Auto] [Gen1] [Gen2] [Gen3]
PCIe Spread Spectrum Clocking
This item allows you to enable or disable Spread Spectrum Clocking for compliance
testing.
Conguration options: [Auto] [Disabled] [Enabled]