Chapter 7: BIOS
7-13
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
This setting allows you to
Enable
or Disable all functions for the USB devices
specifi ed.
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.
Hyper-threading
(
*
Available when supported by the CPU.)
Set to Enabled to use the Hyper-Threading Technology, which will result in increased
CPU performance. The options are Disabled or
Enabled.
Machine Checking
(
*
Available when supported by the CPU.)
Set to Enabled to activate the function of Machine Checking and allow the CPU to
detect and report hardware (machine) errors via a set of model-specifi c registers
(MSRs). The options are Disabled or
Enabled
.
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.)
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 can not,
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
. (Note: For more information
regarding hardware/software support for this function, please refer to Intel's and
Microsoft's web sites.)
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