https://devzone.nordicsemi.com/f/nordic-q-a/52144/can-t-change-the-address-of-ram-startHi, I tried to merge ble_app_multilink_central and ble_app_uart_c. But, when I run the project It errors like below I thougt the problem is the address of RAM_START and SIZE. So I changed it like below. But, It doesn&#39;t work and RAM_STARTen-USTelligent Community 13Mon, 16 Sep 2019 12:44:52 GMThttps://devzone.nordicsemi.com/thread/209832?ContentTypeID=1Mon, 16 Sep 2019 12:44:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6aaf1ea2-c7c7-4202-82c9-480f786ef9a2zester926<p>Hi Einar!<br /><br />Thank you for helping me, and not It works very well by following your advisement.</p> <p>Thank you again!</p> <p>Best regards</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/209818?ContentTypeID=1Mon, 16 Sep 2019 12:05:37 GMT137ad170-7792-4731-bb38-c0d22fbe4515:57df3a52-d7a5-43e0-b37a-d988c26bb05dEinar Thorsrud<p>Hi,</p> [quote user=""]&nbsp;How can I change those address?[/quote] <p>Assuming you have based your project on an example SES project from a recent SDK, the correct place to change the RAM start address and size is under section placement macros for the common target, which it looks like you do. However, I notice something strange with your section placement macros, and that is that the flash placement macros are missing. Why is that? Then the linker will not know how to place your application in flash. That does not seem directly related to the question, but it indicates that there is something fishy with your linker configuration.&nbsp; Normally you should have a list looking something like this (where at least&nbsp;FLASH_START,&nbsp;FLASH_SIZE,&nbsp;RAM_START, and&nbsp;RAM_SIZE) are needed:</p> <p><pre class="ui-code" data-mode="text">FLASH_PH_START=0x0 FLASH_PH_SIZE=0x100000 RAM_PH_START=0x20000000 RAM_PH_SIZE=0x40000 FLASH_START=0x26000 FLASH_SIZE=0xda000 RAM_START=0x20002210 RAM_SIZE=0x3ddf0</pre></p><div style="clear:both;"></div>