This is a Jlink tool to upload bootloader to Nake ARM board usage: exec device = STM32F427VI loadbin /src.bin addr(typical: 0x08000000) // this addr define at bootloader seg define speed 12000 // for set the speed r // for Reset target g // for go h // for halt setpc addr // for set PC register mem assr NumBytes(hex) // for read memory xxd /src.bin | less // use at terminale commandline to show the binary file and compare with the mem info to make sure the upload is success!~ ZHAOCHAO 2016-6-30