User Manual
Table Of Contents
- 1. Knowing BIOS
- 2. BIOS setup program
- 3. My Favorites
- 4. Main menu
- 5. Ai Tweaker menu
- 6. Advanced menu
- 6.1 Trusted Computing
- 6.2 AMD fTPM configuration
- 6.3 CPU Configuration
- 6.4 PCI Subsystem Settings
- 6.5 USB Configuration
- 6.6 Network Stack Configuration
- 6.7 NVMe Configuration
- 6.8 HDD/SSD SMART Information
- 6.9 SATA Configuration
- 6.10 APM Configuration
- 6.11 Onboard Devices Configuration
- 6.12 NB Configuration
- 6.13 AMD CBS
- 6.14 AMD PBS
- 6.15 AMD Overclocking
- 6.16 RAIDXpert2 Configuration Utility
- 7. Monitor menu
- 8. Boot menu
- 9. Tool menu
- 10. Exit menu
- 11. Updating BIOS
ROG STRIX X670E Series BIOS Manual
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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]