Chapter 4: BIOS
4-9
No Execute Mode Memory Protection (Available when supported by the
CPU and the OS)
Set to Enabled to enable Execute Disable Bit and allow the processor to classify
areas in memory where an application code can execute and where it cannot, and
thus preventing a worm or a virus from inserting and creating a fl ood of codes to
overwhelm the processor or damage the system during an attack.
This feature is available when your OS and your CPU support the function of
Execute Disable Bit.) The options are Disabled and
Enabled
. (Note: For more
information regarding the hardware/software support for this function, please refer
to Intel's and Microsoft's web sites.
Enhanced Intel
®
SpeedStep
®
Support (Available when supported by the
CPU)
Select Enabled to use the Enhanced Intel SpeedStep Technology and allows the
system to automatically adjust the processor voltage and core frequency in an ef-
fort to reduce power consumption and heat dissipation. The options are Enabled
(-C States, GV1/GV3 are enabled),
GV1/GV3 Only
(C States: Disabled), C-States
Only (-G1/G3: Disabled), and Disabled (-C States, GV1/GV3 are disabled). Please
refer to Intel’s web site (www.intel.com) for detailed information.
Hyperthreading (Available when supported by the CPU)
Set to Enabled to use the Hyperthreading Technology, which will result in increased
CPU performance. The options are Disabled and
Enabled
.
Core-Multi-Processing (Available when supported by the CPU)
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 Disabled and
Enabled
.
Intel
®
Enhanced Debug (Recommended for maintenance)
This feature allows an operating system level debug of issues that may be processor
related. The options are
Enabled
and Disabled.
Thermal Management 2 (Available when supported by the CPU)
Set to
Enabled
to use Thermal Management 2 (TM2,) which will lower the CPU
voltage and frequency when the CPU temperature reaches a predefi ned overheat
threshold. Set to Disabled to use Thermal Manager 1 (TM1), allowing CPU clocking
to be regulated via the CPU Internal Clock modulation when the CPU temperature
reaches the overheat threshold.
