Hi all For info I just check STM32F4disco at one of my regular component supplier, and there is a new one coming soon. So I check at manufacturer and the board is now NRND, replaced by something looking absolutely the same but with STM32F407VG in place of STM32F407VE. http://www.st.com/web/catalog/tools/FM116/SC959/SS1532/PF252419 I have no knowledge for understanding/comparison about change. Just to let you know there is certainly a need to check what's going on, a