MSI 945 Neo5 Series User Manual page 49

Boot up Num-Lock LED
This setting is to set the Num Lock status when the system is powered on. Setting to
[On] will turn on the Num Lock key when the system is powered on. Setting to [Off]
will allow users to use the arrow keys on the numeric keypad. Setting options: [On],
[Off].
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.
Setting options: [Enabled], [Disabled].
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:
Excute Bit Support
Execute Bit Support is a robus t hardware feature, detectable us ing the
CPUIDinstruction, that protects against malicious software executing code on
IA-32systems.
Set Limit CPUID M axVal to 3
The item allows you to enable and disable the CPU ID maximum value.
[Enabled]
[Disabled]
Set to [Enabled] only when you have Prescott CPU and
NT4.0 operating system.
Set to [Disabled] if you have operating system other
than NT4.0.
BIOS Setup
3-9