MSI P4M900M2 Series User Manual page 43

M S-7255 M ainboard
MPS Revision
This field allows you to select which MPS (Multi-Processor Specification) version to
be used for the operating system. You need to select the MPS version supported by
your operating system. To find out which version to use, consult the vendor of your
operating system.
System BIOS Cacheable
Selecting [Enabled] allows caching of the system BIOS ROM at F0000h-FFFFFh,
resulting in better system performance. However, if any program writes to this
memory area, a system error may result.
CPU Feature
Press <Enter> to enter the sub-menu.
**CPU Information**
Manufacturer/Frequency/FSB Speed/Cache L1/Cache L2/Ratio Status/Ratio Value
These items show the CPU related information of your system (read only).
Max CPUID Value Limit
This setting sets the Max CPUID extended function value to 3
Vanderpool Technology:
Enable this item will allow a platform to run multiple virtual operating systems and
applications in independent partitions.
Execute Disable Bit
Intel's Execute Disable Bit functionality can prevent certain classes of malicious
"buffer overflow" attacks when combined with a supporting operating system.
This functionality allows the processor to classify areas in memory by where
application code can execute and where it cannot. W hen a malicious worm at-
tempts to insert code in the buffer, the processor disables code execution, pre-
venting damage or worm propagation.
C1E Support
This item allows you to enable/disable the C1E power management feature which
can also drop clock speed and voltage on the processor.
Intel(R) SpeedStep(tm) tech.
The Intel SpeedStep technology allows you to set the performance level of the
microprocessor whether the computer is running on battery or AC power. This
field will appear after you installed the CPU which support speedstep technology.
Chipset Feature
Press <Enter> to enter the sub-menu.
VGA Share M emory
The system shares memory to the onboard VGA card. This setting controls the
exact memory size shared to the VGA card.
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