Chapter 6: BIOS
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CPU Configuration
SMT Mode
Use this setting to specify Simultaneous Multithreading. Options include Off for 1T single
thread and
Auto
for 2T two-thread if your system is capable of it.
Core Performance Boost
This setting is used to configure for Core Performance Boost. Options include
Auto
and
Disabled.
Global C-state Control
This setting is used to configure for Global C-state Control. Options include
Auto
, Disabled
and Enabled.
Downcore Control
This sets the number of cores to be used by your system. Once this option has been used to
remove any cores, a power cycle is required in order for the future selections to take effect.
Options include TWO (1+1), Two (2 + 0), Three (3 + 0), Four (2 + 2), Four (4+0), Six (3 + 3)
and
Auto
. If unsure, leave this to Auto.
L1 Stream HW Prefetcher
This feature sets the option to enable or disable the L1 Stream Prefetcher. The options are
Disable, Enable and
Auto
. If unsure, leave this to Auto.
L2 Stream HW Prefetcher
This feature sets the option to enable or disable the L2 Stream Prefetcher. The options are
Disable, Enable and
Auto
. If unsure, leave this to Auto.
SVM Mode
This feature sets the option to enable or disable CPU Virtualization. The options are Disabled,
Enabled
.
SMEE
This feature sets the option to enable or disable Secure Memory Encryption. The options are
Disabled,
Enabled
.
