ASRock WRX90 WS EVO Software/BIOS Setup Guide - Page 31

Chipset Configuration

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3.4.2 Chipset Configuration AMD WRX90 Series IOMMU Allows you to enable or disable IOMMU. Configuration options: [Auto] [Disabled] [Enabled] ACS Enable Enable ACS. Enable AER Cap Enables Advanced Error Reporting Capability. PCIe ARI Support Enables Alternative Routing-ID Interpretation PCIe Ten Bit Tag Support Enables PCIe ten bit tags for supported devices. NUMA node per socket Use this option to specify the number of desired NUMA nodes per socket. ACPI SRAT L3 Cache As NUMA Domain [Enabled] Each CCX in the system will be declared as a separate NUMA domain. [Disabled] Memory Addressing \ NUMA nodes per socket will be declared. 27

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27
AMD WRX90 Series
3.4.2
Chipset Configuration
IOMMU
Allows you to enable or disable IOMMU.
Configuration options: [Auto] [Disabled] [Enabled]
ACS Enable
Enable ACS.
Enable AER Cap
Enables Advanced Error Reporting Capability.
PCIe ARI Support
Enables Alternative Routing-ID Interpretation
PCIe Ten Bit Tag Support
Enables PCIe ten bit tags for supported devices.
NUMA node per socket
Use this option to specify the number of desired NUMA nodes per socket.
ACPI SRAT L3 Cache As NUMA Domain
[Enabled] Each CCX in the system will be declared as a separate NUMA domain.
[Disabled] Memory Addressing \ NUMA nodes per socket will be declared.