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TDA4VM: J721E EVM "TI EVM Only" question

Part Number: TDA4VM

Hi Expert,

In TI J721E EVM schematic , there is a label TI EVM Only in EVM development & evaluation test circuitry . As below figure, U22 ON can be input from  EN_MCU3V3_LDSW and SOC_PWR_LT, but R491 doesn't exist in EVM, what is the purpose of SOC_PWR_LT path if R491 connected? 

BR 

Thomas