Chapter 7: BIOS
Enabling Multi-Media Timer
Select Yes to activate a set of timers that are alternative to the traditional 8254 timers for the OS use. The options are Yes and No.
USB Function
Select Enabled to enable the function of USB devices specifi ed. The settings are Enabled and Disabled.
Legacy USB Support
This setting allows you to enable support for Legacy USB devices. The settings are Enabled and Disabled.
Advanced Processor Options
Access the submenu to make changes to the following settings.
CPU Speed
This is a display that indicates the speed of the installed processor.
Frequency Ratio (Available when supported by the CPU.)
The feature allows the user to set the internal frequency multiplier for the CPU. The options are: Default and x12.
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.
Machine Checking (Available when supported by the CPU.)
Set to Enabled to use this function which will allow the CPU to detect and report hardware (machine) errors via a set of
C1 Enhanced Mode (Available when supported by the CPU.)
Set to Enabled to enable Enhanced Halt State to lower CPU voltage/frequency to prevent overheat. The options are Enabled and Disabled. (Note: please refer to Intel’s web site for detailed information.)
Execute Disable Bit (Available when supported by the CPU.)
Set to Enabled to 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. Note: this feature is available when your OS and your CPU support the function of Execute Disable Bit. The options are Disabled and Enabled. (For more information regarding hardware/software support for this function, please refer to Intel's and Microsoft's web sites.)