Supermicro SuperO X8DTL-3 User Manual page 69

Chapter 4: AMI BIOS
and Disabled. Note: If there is any change to this setting, you will need to power
off and restart the system for the change to take effect. Please refer to Intel's web
site for detailed information.
Execute-Disable Bit Capability (Available if supported by the OS and the
CPU)
Select Enabled to enable Execute_Disable_Bit support which will allow the proces-
sor to designate areas in the system memory where an application code can execute
and where it cannot, thus preventing a worm or a virus from fl ooding illegal codes
to overwhelm the processor or damage the system during an attack. The default is
Enabled. (Refer to Intel and Microsoft Web Sites for more information.)
Simultaneous Multi-Threading (Available when supported by the CPU)
Set to Enabled to use the Simultaneous Multi-Threading Technology to enhance
CPU performance. The options are Disabled and Enabled.
Active Processor Cores
Set to Enabled to use a processor's Second Core and beyond. (Please refer to
Intel's web site for more information.) The options are All, 1, and 2.
Intel® EIST Technology
EIST (Enhanced Intel SpeedStep Technology) allows the system to automatically
adjust processor voltage and core frequency in an effort to reduce power consump-
tion and heat dissipation. Please refer to Intel's web site for detailed information.
The options are Disabled and Enabled.
Intel® TurboBoost Technology (Available when EIST Tech. is enabled)
Select Enabled to enable Turbo Mode support to boost system performance. The
options are Enabled, and Disabled.
C1E Support
Select Enabled to enable Enhanced Halt State support. C1E signifi cantly reduces
the CPU's power consumption by reducing the CPU's clock cycle and voltage during
a "Halt State". The options are Disabled and Enabled.
Intel® C-STATE Tech
If enabled, C-State is set by the system automatically to C2, C3, or C4 state. The
options are Disabled and Enabled.
C-State package limit setting (Available when the C-State Tech is enabled)
If set to Auto, the AMI BIOS will automatically set the limit on the C-State package
register. The options are Auto, C1, C3, C6, and C7.
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