MSI 661FM Series User Manual page 49

BIOS Setup
APIC Mode
This field is used to enable or disable the APIC (Advanced Programmable Inter-
rupt Controller). Due to compliance to PC2001 design guide, the system is able
to run in APIC mode. Enabling APIC mode will expand available IRQs resources
for the system. Settings: 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. Settings: 1.4, 1.1.
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