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Chapter 4: UEFI BIOS
Relaxed Ordering
Select Enable to enable Relaxed Ordering support, which will allow certain transactions to
violate the strict-ordering rules of PCI bus for a transaction to be completed prior to other
transactions that have already been enqueued. The options are Disabled and Enabled.
Clock Spread Spectrum
Use this setting to Disable or Enable CG1_PLL Spread Spectrum for your system. The options
are Disabled and Enabled.
No Snoop
Select Enable to support no-snoop mode for each CB device. The options are Disabled and
Enabled.
VGA Priority
Use this setting to select between onboard or external VGA support. The options are Onboard
and External.
PCIe Ten Bit Tag Support
Use this setting to Disable, Enable or Auto control the PCIe ten bit tags for supported devices.
NVMe Firmware Source
Use this setting to select between the AMI Native firmware support or the device vendor-
defined firmware support. The options are Vendor Defined Firmware and AMI Native Support.
PCI Devices Option Rom Setting
CPU SLOT1 PCIe 5.0 x16 OPROM
This setting enables or disables PCIe SLOT1 OPROM option. The options include Disabled
and EFI.
CPU SLOT2 PCIe 5.0 x16 OPROM
This setting enables or disables PCIe SLOT2 OPROM option. The options include Disabled
and EFI.
CPU SLOT3 PCIe 5.0 x16 OPROM
This setting enables or disables PCIe SLOT3 OPROM option. The options include Disabled
and EFI.
CPU SLOT4 PCIe 5.0 x16 OPROM
This setting enables or disables PCIe SLOT4 OPROM option. The options include Disabled
and EFI.
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