IEI Integration NANO-9452 v4.02 - Manual (Page 135)

NANO-9452 EPIC Motherboard
Page 117
6.3.7 MPS Configuration
Use the MPS Configuration menu (BIOS Menu 11) to select `he multi-processor table.
BIOS Menu 11: MPS Configuration
 MPS Revision [1.4]
Use the Multiprocessor Specification (MPS) for OS option to specify the MPS version
to be used.

1.1 MPS version 1.1 is used

1.4 D EFAULT MPS version 1.4 is used