Asus ROG STRIX X670E-A GAMING WIFI ROG STRIX X670E Series BIOS Manual English - Page 47
AMD CBS, Global C-state Control, IOMMU, SMT Control, Core Performance Boost, CPU Common Options
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6.13 AMD CBS The items in this menu shows the AMD Common BIOS Specifications. Global C-state Control Allows you to control IO based C-state generation and DF C-states. Configuration options: [Disabled] [Enabled] [Auto] IOMMU Configuration options: [Disabled] [Enabled] [Auto] SMT Control Can be used to disable symmetric multithreading. To re-enable SMT, a POWER CYCLE is needed after setting this item to [Auto]. Configuration options: [Disable] [Auto] Core Performance Boost Configuration options: [Disabled] [Auto] CPU Common Options Thread Enablement Performance Prefetcher settings L1 Stream HW Prefetcher Configuration options: [Disable] [Enable] [Auto] L2 Stream HW Prefetcher Configuration options: [Disable] [Enable] [Auto] L1 Stride Prefetcher Uses memory access history of individual instructions to fetch additional lines when each access is a constant distance from the previous. Configuration options: [Disable] [Enable] [Auto] ROG STRIX X670E Series BIOS Manual 47