The Intel Management Engine (ME), also known as the Manageability Engine, is an autonomous subsystem that has been incorporated in virtually all of Intel's processor chipsets since 2008. ... It is a part of Intel Active Management Technology, which allows system administrators to perform tasks on the machine remotely.

issues:​

BIOS caused by sudden power failure, Matters fan, the set was not powered, does not show the problem, the second boot.
BIOS backward system slow, light machine slow and other issuses are ME Region is damaged, You can change the corresponding pure version or update new version…etc
South Bridge BIOS Me Region solves the light machine's slowness.