Microstar G41M - Manual (Page 46)

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MS-7563 Mainboard
PCI Latency Timer
This item controls how long each PCI device can hold the bus before another takes
over. W hen set to higher values, every PCI device can conduct transactions for a
longer time and thus improve the effective PCI bandwidth. For better PCI performance,
you should set the item to higher values.
CPU Feature
Press <Enter> to enter the sub-menu:
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:
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.
DVMT Mode Select
This item allows you to set the mode for the graphics core.[DVMT mode], the
driver of the graphics core uses the system memory like any other OS compo-
nent or application does.
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