ASROCK X570S PG Riptide - Pciconfiguration

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4.4.2 PCIConguration
Above 4G Decoding
Enable or disable 64bit capable Devices to be decoded in Above 4G Address Space (only if
the system supports 64 bit PCI decoding).
Re-Size BAR Support
If the system has Re-Sizable BAR capable PCIe devices, this option enable or disable the
Re-Sizable BAR support.
SR-IOV Support
Enable/disable the SR-IOV (Single Root IO Virtualization Support) if the system has SR-
IOV capable PCIe devices.