User Manual

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Chapter 5: BIOS Setup
CCD/Core/Thread Enhancement
This item allows you to set CCD/core/threads.
S3 is not supported on systems where cores/threads have been removed/disabled.
Prefetcher settings
L1 Stream HW Prefetcher [Auto]
This item allows you to enable or disable L1 Stream HW Prefetcher.
Configuration options: [Disable] [Enable] [Auto]
L2 Stream HW Prefetcher [Auto]
This item allows you to enable or disable L2 Stream HW Prefetcher.
Configuration options: [Disable] [Enable] [Auto]
Core Watchdog
Core Watchdog Timer Enable [Auto]
This item allows you to enable or disable CPU Watchdog Timer.
Configuration options: [Disabled] [Enabled] [Auto]
The following items appear only when
Core Watchdog Timer Enable
is set to
[Enabled]
.
Core Watchdog Timer Interval [Auto]
Configuration options: [21.461s] [10.730s] [5.364s] [2.681s] [1.340s] [669.41ms]
[334.05ms] [166.37ms] [82.53ms] [40.61ms] [20.970ms] [10.484ms] [5.241ms]
[2.620ms] [1.309ms] [654.08us] [326.4us] [162.56us] [80.64us] [39.68us] [Auto]
Core Watchdog Timer Severity [Auto]
Configuration options: [No Error] [Transparent] [Corrected] [Deferred] [Uncorrected]
[Fatal] [Auto]
Core Performance Boost [Auto]
This option allows you to enable or disable CPB.
Configuration options: [Disabled] [Auto]
Global C-state Control [Enabled]
This option allows you to control IO based C-state generation and DF C-states.
Configuration options: [Disabled] [Enabled] [Auto]
SEV ASID Count [Auto]
This field specifies the maximum valid ASID, which affects the maximum system physical
address space. 16TB of physical address space is available for systems that support 253
ASIDs, while 8TB of physical address space is available for systems that support 509 ASIDs.
Configuration options: [253 ASIDs] [509 ASIDs] [Auto]
SEV-ES ASID Space Limit Control [Auto]
Configuration options: [Auto] [Manual]