Toshiba Portege R500 User Manual - Page 132

HW Setup & BIOS Setup Virtualization Technology Virtualization Technology sets enable or disable of the Intel® Virtualization Technology installed in the CPU. Intel® Virtualization Technology is the technique that allows one machine to operate as multiple virtual machines. The Virtualization Technology is supported with some models. The Disabled command does not allow use of the Intel® Virtualization Technology. The Enabled command allows use of the Intel® Virtualization Technology. Enabled Enables Virtualization Technology. Disabled Disables Virtualization Technology (Default). Enhanced C-States This feature enables or disables the Enhanced C-States. Enabled This lowers the power consumption (Default). Disabled This does not lower the power consumption. Execute-Disable Bit Capability This setting, which is displayed on the first page of the setup screen, configures the Execute-Disable Bit function of the computer's processor. This function is specific to Intel® processors and, when activated, helps to reduce security threats to the computer by preventing certain classes of malicious 'buffer overflow' attacks when combined with a supporting operating system such as Windows VistaTM. Available Makes the processor's Execute-Disable Bit Capability available for use (Default). Not Available Disables the processor's Execute-Disable Bit Capability so that it is not available for use. User's Manual 7-10