https://devzone.nordicsemi.com/f/nordic-q-a/15880/flashing-sdk-examples-onto-a-qfab-boardHi! I am attempting to flash sdk11 examples onto a QFAB board compiled using arm-gcc over JLINK SWD p20 via the NRF-51DK. While running make flash, the nrfjprog command line utility fails to flash onto the QFAB board with the error message thaten-USTelligent Community 13Thu, 25 Aug 2016 10:53:38 GMThttps://devzone.nordicsemi.com/thread/60573?ContentTypeID=1Thu, 25 Aug 2016 10:53:38 GMT137ad170-7792-4731-bb38-c0d22fbe4515:65f41ba8-20fd-4a75-84aa-168bb53fbb0dbjorn-spockeli<p>The QFAB has 128kB Flash/ 16kB RAM as opposed to the 256 kB Flash/16kB RAM of the QFAA variant. The linker script must be changed accordingly, i.e.</p> <pre><code> FLASH (rx) : ORIGIN = 0x1b000, LENGTH = 0x5000 RAM (rwx) : ORIGIN = 0x20002080, LENGTH = 0x1920 </code></pre> <p>Furthermore, you might have to tell the compiler to optimize for size (-Os) and not for speed(-O3) in order to get the applications to fit in application flash, i.e.</p> <pre><code>CFLAGS += -Wall -Werror -Os -g3 </code></pre> <p>-Bjørn</p><div style="clear:both;"></div>