JP4 NRST on STM32 Nucleo-144 boards (MB1312)
In UM2179 Rev 9 it says:"5.4.4 Using ST-LINK/V2-1 to program and debug an external STM32 application...Note:JP4 NRST (target STM32 RESET) must be open when CN3 pin 5 is used in an external application."This is CN3: I think that should be CN5.