User Manual

Pro WS sTR5 Series BIOS Manual
69
7.19 AMD CBS
The items in this menu shows the AMD Common BIOS Specifications.
The configuration options for this section vary depending on the motherboard. Please refer
to the BIOS of your motherboard for the actual settings and options.
CPU Common Options
Thread Enablement
SMT Control
Can be used to disable symmetric multithreading. To re-enable SMT, a POWER CYCLE
is needed after selecting the [Enable] option.
Configuration options: [Disable] [Enable] [Auto]
Performance
OC Mode
Select overclock operation modes.
Configuration options: [Normal Operation] [Customized]
Prefetcher settings
L1 Stream HW Prefetcher
Allows you to enable or disable L1 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]
L1 Region Prefetcher
Uses memory access history to fetch additional lines when the data access for a given
instruction tends to be followed by other data accesses.
Configuration options: [Disable] [Enable] [Auto]
L2 Stream HW Prefetcher
Allows you to enable or disable L2 Stream HW Prefetcher.
Configuration options: [Disable] [Enable] [Auto]
L2 Up/Down Prefetcher
Uses memory access history to determine whether to fetch the next or previous line for
all memory accesses.
Configuration options: [Disable] [Enable] [Auto]