Asus ROG STRIX X670E-F 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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Page 47 highlights

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

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ROG STRIX X670E Series BIOS Manual
47
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]