User`s manual

4-12
PDSML-LN1/PDSML-LN2 User's Manual
uAdvanced Processor Options
Access the submenu to make changes to the following settings:
CPU Speed
The feature allows the BIOS to display the CPU Speed.
Frequency Ratio
This feature allows the user to select the ration for the internal frequency multiplier
of the CPU. The options are Default, X14, X15, and X16.
Hyper-threading (*Available when supported by the CPU.)
This setting allows you to Enable or Disable the function of hyper-threading.
Enabling hyper-threading results in increased CPU performance. (Applicable for
XP systems.)
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.
Enhanced InteSpeedStep (*Available when supported by the CPU.)
This feature allows the user to use the Enhanced Intel SpeedStep Technology on
this motherboard. The options are Disabled and C States Only. If set to Disabled,
C States and GV1/GV3 are disabled. If set to C States only, the processor power
will be controlled through CPU power states in the APCI setting.
Thermal Management 2 (*Available when supported by the CPU.)
Set to Enabled to use Thermal Management 2 (TM2) which will lower CPU voltage
and frequency when the CPU temperature reaches a pre-de ned overheat threshold.
Set to Disabled to use Thermal Manager 1 (TM1), allowing CPU clocking to be
regulated via CPU Internal Clock modulation when the CPU temperature reaches
the overheat threshold.
Adjacent Cache Line Prefetch
The CPU fetches the cache line for 64 bytes if this option is set to Disabled. The
CPU fetches both cache lines for 128 bytes as comprised if Enabled. The options
are Disabled and Enabled.
Intel® Virtualization Technology (*Available when supported by the CPU.)
Set to Enabled to utilize enhanced virtualization capabilities provided by the
Intel Vanderpool Technology which allows one platform to run multiple operating
systems and applications in independent partitions, creating multiple "virtual" sys-