MSI P35 Neo series User Manual page 43

IOAPIC Function
This field is used to enable or disable the APIC (Advanced Programmable Interrupt
Controller). Due to compliance with PC2001 design guide, the system is able to run in
APIC mode. Enabling APIC mode will expand available IRQ resources for the system.
MPS Table Version
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.
CPU Feature
Press <Enter> to enter the sub-menu and the following screen appears:
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
attempts to insert code in the buffer, the processor disables code execution,
preventing damage or worm propagation.
Set Limit CPUID MaxVal to 3
The Max CPUID Value Limit is designed to limit the listed speed of the processor
to older operating systems.
Chipset Feature
Press <Enter> to enter the sub-menu and the following screen appears:
HPET
The HPET (High Precision Event Timers) is a component that is part of the chipset.
You can to enable it, and will provide you with the means to get to it via the
various ACPI methods.
VGA Share Memory Size
The system shares memory to the onboard VGA card. This setting controls the
exact memory size shared to the VGA card.
BIOS Setup
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