How to get 2 Mbytes RAM with STM32F407/427? I have Dev. Kit STM3240G-EVAL wich have STM32F407IGH MCU and IS61WV102416BLL-10MLI 16 Mbit (1Mx16) SRAM memory on the board. One example which provide ST for the dev. borad I have 1 Mbytes external SRAM (linker regions for RAM is Start: 0x64000000 End: 0x640FFFFF). How can I get 2 Mbytes RAM with the memory? Or it is not possible with the memory as it have 1Mx16 configuration ? Thanks.