Pci Configuration - ASROCK X600-ITX User Manual

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4.4.2 PCI Configuration

Above 4G Decoding
Globally enables or disables 64-bit capable devices to be decoded in Above 4G Address Space
(only if the system supports 64-bit PCI Decoding).
Re-Size BAR Support
If system has Resizable BAR capable PCIe Devices, this option enables or disables Resizable
BAR Support.
Above 4GB MMIO Limit
Allows you to
select Above 4GB MMIO Limit to 38~43 bits limit. This option works only
when "Above 4G decoding" is enabled.
Configuration options: [40bit (1TB)] [41bit (2TB)] [42bit (4TB)] [43bit (8TB)]
SR-IOV Support
If system has SR-IOV capable PCIe Devices, this option enables or disables Single Root IO
Virtualization Support.
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