Chapter 6: UEFI BIOS
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CPU Configuration
SMT Control
Use this setting to specify Simultaneous Multithreading. The options are Disabled and
Auto
.
Core Performance Boost
This setting is used to configure for Core Performance Boost. Options include Disabled and
Auto
.
Global C-state Control
This setting is used to configure for Global C-state Control. Options include Disabled, Enabled,
and
Auto
.
Local APIC Mode
This setting is used for Local APIC Mode. The options include xAPIC, x2APIC, and
Auto
.
CCD Control
This setting sets the number of CCDs to be used. The options include
Auto,
2 CCDs, 3
CCDs, 4 CCDs, and 6 CCDs.
Core 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
Auto
, TWO (1+1), Four (2 + 2), Four (4+0), and Six (3 + 3). If unsure, leave
this to Auto.
L1 Stream HW Prefetcher / L2 Stream HW Prefetcher
This setting is used to enable or disable the L1/L2 Stream Hardware Prefetcher. The options
are Disabled, Enabled, and
Auto
.
SVM Mode
This setting Disables or
Enables
CPU Virtualization.
SMEE
This feature sets the option to enable or disable Secure Memory Encryption. The options are
Disabled
and Enabled.
