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Chapter 4: BIOS
4-11
creating multiple virtual systems in one computer. The options are Enabled 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.
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 ood of codes to
overwhelm the processor or damage the system during an attack. The options
are Disabled and Enabled. For more information, please visit Intel and Microsoft
web sites.
Intel Speed Step Support (Available when supported by the CPU.)
Select Enabled to use the Enhanced Intel SpeedStep Technology and allow the
system to automatically adjust the processor voltage and core frequency in an effort
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 for detailed information.
Advanced Chipset Control
Access the submenu to make changes to the following settings.
Warning: Take caution when changing the Advanced settings. An incorrect
setting, a very high DRAM frequency or an incorrect DRAM timing may result in
system instability. When this occurs, reset the setting to the default setting.
Clock Spectrum Feature
When set to Enabled, the BIOS will monitor the level of Electromagnetic Interference
caused by the components and will attempt to decrease the interference whenever
needed. The options are Enabled and Disabled.
Integrated Device Control Sub-menu
USB Host Controller 1
This feature allows the user to congure the control setting for USB Host Controller
1. The default setting is Enabled.
USB Host Controller 2
This feature allows the user to congure the control setting for USB Host Controller
2. The default setting is Enabled.